Wild Weather, the Wobble Effect
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"We warned at the start of ZetaTalk, in 1995, that unpredictable weather extremes, switching about from drought to deluge, would occur and increase on a lineal basis up until the pole shift. Where this occurred steadily, it has only recently become undeniable. ZetaTalk, and only ZetaTalk, warned of these weather changes, at that early date. Our early warnings spoke to the issue of global heating from the core outward, hardly Global Warming, a surface or atmospheric issue, but caused by consternation in the core. Affected by the approach of Planet X, which was by then starting to zoom rapidly toward the inner solar system for its periodic passage, the core was churning, melting the permafrost and glaciers and riling up volcanoes. When the passage did not occur as expected in 2003 because Planet X had stalled in the inner solar system, we explained the increasing weather irregularities in the context of the global wobble that had ensued - weather wobbles where the Earth is suddenly forced under air masses, churning them. This evolved by 2005 into a looping jet stream, loops breaking away and turning like a tornado to affect the air masses underneath. Meanwhile, on Planet Earth, droughts had become more intractable and deluges positively frightening, temperature swings bringing snow in summer in the tropics and searing heat in Artic regions, with the violence of storms increasing in number and ferocity."
From the ZetaTalk Chat Q&A for February 4, 2012:
The wobble seems to have changed, as the temperature in Europe suddenly plunged after being like an early Spring, Alaska has its coldest temps ever while the US and much of Canada is having an extremely mild winter. India went from fatal cold spell to balmy again. Has the Earth changed position vs a vs Planet X to cause this? [and from another] Bitter cold records broken in Alaska - all time coldest record nearly broken, but Murphy's Law intervenes [Jan 30] http://wattsupwiththat.com/2012/01/30/bitter-cold-records-broken-in-alaska Jim River, AK closed in on the all time record coldest temperature of -80°F set in 1971, which is not only the Alaska all-time record, but the record for the entire United States. Unfortunately, it seems the battery died in the weather station just at the critical moment. While the continental USA has a mild winter and has set a number of high temperature records in the last week and pundits ponder whether they will be blaming the dreaded "global warming" for those temperatures, Alaska and Canada have been suffering through some of the coldest temperatures on record during the last week.
There has been no change in the wobble pattern, the wobble has merely become more severe. Nancy noted a Figure 8 format when the Earth wobble first became noticeable, in early 2005, after Planet X moved into the inner solar system at the end of 2003. The Figure 8 shifted along to the east a bit on the globe between 2005 and 2009, (the last time Nancy took its measure) as Planet X came closer to the Earth, encountering the magnetic N Pole with a violent push earlier in the day. But the pattern of the Figure 8 remained essentially the same. So what changed recently that the weather patterns became noticeably different in late January, 2012?
The N Pole is pushed away when it comes over the horizon, when the noon Sun is centered over the Pacific. This regularly puts Alaska under colder air, with less sunlight, and thus the historically low temps there this January, 2012 as the wobble has gotten stronger. But by the time the Sun is positioned over India, the N Pole has swung during the Figure 8 so the globe tilts, and this tilt is visible in the weather maps from Asia. The tilt has forced the globe under the hot air closer to the Equator, warming the land along a discernable tilt demarcation line.
The next loop of the Figure 8 swings the globe so that the N Pole moves in the other direction, putting the globe again at a tilt but this time in the other direction. This tilt is discernable in weather maps of Europe, again along a diagonal line. Depending upon air pressure and temperature differences, the weather on either side of this diagonal line may be suddenly warm or suddenly cold. The tilt and diagonal line lingers to affect much of the US and Canada, but the Figure 8 changes at this point to be an up and down motion, pulling the geographic N Pole south so the US is experiencing a warmer than expected winter under a stronger Sun. Then the cycle repeats, with the magnetic N Pole of Earth pushed violently away again as the Sun is positioned over the Pacific.
From the ZetaTalk Chat Q&A for April 6, 2013:
Would the Zetas be able to let us know what is causing the early break-up of the Arctic Ice, the ice seems to have taken on a swirling pattern at the same time, would this be wobble related? [and from another] http://www.vancouversun.com/news/national/Canada+Arctic+cracks+spec... The ice in Canada’s western Arctic ripped open in a massive “fracturing event” this spring that spread like a wave across 1,000 kilometres of the Beaufort Sea. Huge leads of water – some more than 500 kilometres long and as much as 70 kilometres across – opened up from Alaska to Canada’s Arctic islands as the massive ice sheet cracked as it was pushed around by strong winds and currents. It took just seven days for the fractures to progress across the entire area from west to east. [and from another] http://earthobservatory.nasa.gov/IOTD/view.php?id=80752&src=iot... A high-pressure weather system was parked over the region, producing warmer temperatures and winds that flowed in a southwesterly direction. That fueled the Beaufort Gyre, a wind-driven ocean current that flows clockwise. The gyre was the key force pulling pieces of ice west past Point Barrow, the northern nub of Alaska that protrudes into the Beaufort Sea.
The Figure 8 formed by the N Pole during the daily Earth wobble has shifted somewhat to the East, due to Planet X positioned more to the right of the Earth during its approach. This was anticipated, and well described in ZetaTalk, the Earth crowding to the left in the cup to escape the approach of Planet X, so the angle between these two planets would change slightly. This shift of the Figure 8 to the East is due to the push against the Earth’s magnetic N Pole occurring sooner each day than prior. Thus instead of occurring when the Sun is high over the Pacific, over New Zealand, it is now occurring when the Sun is high over Alaska. All the wobble points have shifted eastward accordingly.
This has brought a lingering Winter to the western US, and a changed sloshing pattern to the Arctic waters. Instead of Pacific waters being pushed through the Bering Straits into the Arctic when the polar push occurs, the wobble is swinging the Arctic to the right, and then later to the left, creating a circular motion in the waters trapped in the Arctic. Since the Earth rotates counterclockwise, the motion also takes this path. This is yet another piece of evidence that the establishment is hard pressed to explain. They are attempting to ascribe this to high pressure and wind, all of which are not new to the Arctic, but this circular early breakup of ice in the Arctic is new.
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Comment by Mario Valencia-Rojas on January 30, 2013 at 3:00am
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Spain's bumper olive years come to bitter end
Spain is by far the biggest producer of olive oil in the world, accounting last year for around 50% of the total production worldwide.
However farmers in southern Spain believe their crop of olives this year is down by as much as 80%, and some think it is inevitable that the price of this increasingly sought-after commodity will rise.
Wherever you drive in Jaen, part of Spain's southern region of Andalucia, there are olive fields, stretching as far as the eye can see.
The province accounts of around half of Spain's total production.
As the olive harvest draws to a close, farmers in Jaen say their crop could be only 20% of what it was last year.
"The rain was noticeable for its absence," says Diego Galindo, vice-president of the San Julian Olive Oil Cooperative in Jaen.
He describes the harvest this year as "really bad".
'Dangerous level'
Industry experts such as Juan Vilar, who has written 14 books about olive oil and teaches a course in olive oil at Jaen University, believe the fall in production could be felt around the world.
Spain is the world's biggest olive oil producer"This year, Spain will have only enough production to cover its internal consumption," he says.
Mr Vilar argues that, because Spain normally produces between 40 and 60% of the world's olive oil, there might not be enough this year to meet demand worldwide.
"If this year we don't have enough oil to cover the total consumption worldwide, then the price will increase to a dangerous level," he says.
By "dangerous" he means that there is the risk that consumers might be tempted to opt for cheaper alternatives.
However an expert at Deoleo, one of the biggest olive oil companies in the world, believes the fall in production in Spain this year will not be so marked.
The company's managing director in Spain and Italy, Jose Maria Collantes, estimates that the Spanish olive harvest will be around 50% of what it was last year - and last year was a bumper crop.
"We have had record crops for the three previous years," he says.
He argues that the surplus from recent years will reduce the impact of this year's poor harvest.
"Like in any other market, if you have a shortage of supply the price goes up. However a price increase came in, in late August of 2012, and we don't expect any other price increase for the remainder of this crop."
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Comment by Robyn Appleton on January 30, 2013 at 12:45am
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Rare "tornado" spotted in Bristol Channel as storms hit North Somerset
Snow, hail, heavy rain and thunder – the North Somerset area has experienced it all over the past two weeks.
And now the wild weather has caused a spectacle in the Bristol Channel, with local people capturing a picture of what appears to be a mini tornado in the estuary.
This picture was taken by Sue Hewitt, of Downend, who spotted the event while out walking along the coastal path between Clevedon and Portishead at around 1pm on Sunday.
Mrs Hewitt, 53, a keen walker, said: “The weather was very overcast with dark clouds and it looked like it was going to rain.
“I suddenly noticed what I thought was a tornado about half-way across the channel so quickly took some pictures.
“I could see it spinning around and around and lifting up the sea.
“As it went past me towards the Severn Bridges, it got wider at the bottom and the top of the spout started to disperse so it eventually looked like a large cloud over the sea.
“It only took around five minutes from the time I first spotted it to it dispersing completely.
“The weather was dreadful on Sunday with strong winds and squally showers but I have never seen anything like this.
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Comment by Stra on January 28, 2013 at 7:42pm
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Snow you see it, snow you don't: Floods hit Britain as dramatic satellite pictures show how Big Freeze turned into the Big Thaw in a DAY
http://www.dailymail.co.uk/news/article-2269000/What-difference-day...
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Comment by lonne rey on January 28, 2013 at 4:04pm
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Record rainfall in January that swelled rivers
It rained a lot during the month of January and rainfall records were broken. All this is now reflected in the river with a yellow alert for some streams
Météo-France-Bordeaux tells us that the rains in January 2013 broke records. Thus, it usually falls to 88 mm of rain in January Luchon. In 2013, the 209 mm gauge swallowed! The previous record of 186 mm is blown! Also record foot of the Pyrenees Campistrous near Lannemezan with 232 mm in January, a third of which falls in Toulouse in a year! A Francazal, it is 144 mm, three times more than the average, and Blagnac 120 mm, the record in 1955 with 149 mm ...
Vigilance yellow region
The yellow alert for the Ger-Salat section in Comminges in Haute-Garonne, Arize and Lèze from north of the Ariege and the center of the Haute-Garonne rivers Arrats, Gimone , Save and Touch between the Haute-Garonne and the Gers, Gers Baïse and Gélise in the department of Gers. Side Hautes-Pyrenees, Pyrenees-Atlantiques and Landes will be monitored Arros sludge; Adour Upstream, Gave de Pau, the Gave d'Oloron, Season, Nive, Nivelle and Adour way.
Depending on the extent of rainfall, these rivers are likely to cause flooding "moderate."
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Comment by KM on January 28, 2013 at 2:37pm
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http://zen-haven.com/ferocious-storm-set-to-explode-in-north-atlantic/
Ferocious Storm Set to Explode in North Atlantic
Some of the most powerful storms on earth form in the North Atlantic Ocean during wintertime, spelling peril for sailors unfortunate enough to encounter them.
For the past few days, the meteorologists at the Ocean Prediction Center (OPC) in College Park, Md., whose job it is to warn vessels of weather hazards, have been highlighting the likelihood of a treacherous storm event that is taking place in the open ocean, to the south of Iceland.
A storm that was rather inoccuous when it affected the U.S. is exploding, through a process known to meteorologists as “bombogenesis,” into a ferocious storm over the North Atlantic. The storm has intensified enough to become stronger than Hurricane Sandy was, as measured by the minimum central air pressure.
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Devastating floods strike Queensland, disaster declared
http://rt.com/news/australia-queensland-floods-823/
Floods have wreaked havoc in Bundaberg on Australian’s east coast, causing hundreds of homes to be evacuated. Six tornadoes have already brought about at least one death in the northeastern state of Queensland as authorities declare a disaster.
An elderly man was found dead following heavy flooding which has devastated the area in the aftermath of ex-tropical cyclone Oswald.
“The damage is absolutely extraordinary – trees have been shredded, leaves thrown everywhere, trees pulled down, power lines pulled down, and a series of serious car accidents,” Jessie Grayson told Australia’s Ten News.
Army helicopters were called in to aid with the unfolding crisis. Eight people have already been airlifted from danger zones. Only one fisherman was found on Sunday morning, after two were reported missing following a skipper's emergency call in the early hours of Thursday morning, saying that the boat was taking on water.
An emergency evacuation warning was issued in Bundaberg, north of Brisbane, after the Burnett River’s banks broke on Sunday afternoon. It is expected to peak at more than 9 meters, topping the levels recorded in the 2010/2011 floods. The town of Gladstone is also preparing for the possibility of major floods, and 400 properties have been evacuated.
Up to 300mm of rainfall is expected in the next 24 hours, and in some areas it may even reach 400mm, according to Queensland weather services manager Richard Wardle. The flooding has blocked more than 70 roads, including major highway since Oswald was downgraded to a storm, after crossing Cape York Peninsula’s west coast on Tuesday.
Destructive wind gusts of up to 120km/h and further tornados are likely, according to the Australian weather bureau.
The State Emergency Service has reportedly received over 300 calls for help in the Queensland region.
The Australasia and South-East Asia region is no stranger to the severe rainfall, and Indonesia has been plagued with sporadic flooding, leaving parts of Jakarta submerged for weeks and, most recently, killing nine on Sumatra Island. Indonesia is taking measures to circumvent their proneness to flooding, such as employing a Hercules plane to carry out cloud seeding measures, which will force approaching clouds to rain at sea before they arrive over the country.
As the floods swamp Indonesia and northeastern Australia, Australia’s south is falling victim to violent bushfires. The Country Fire Authority reported an out-of-control blaze, also on Sunday, which has destroyed 750 hectares of and is heading towards the community of Boho, near Benalla in northeast Victoria. The sparks from the fire is igniting fresh fires 1km ahead of itself.
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Snow-covered deserts are rare, but that’s exactly what the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite observed as it passed over the Taklimakan Desert in western China on January 2, 2013. Snow has covered much of the desert since a storm blew through the area on December 26. The day after the storm, Chinese Central Television (CNTV) reported that the Xinjian Uygyr autonomous region was among the hardest hit.
The Taklimakan is one of the world’s largest—and hottest—sandy deserts. Water flowing into the Tarim Basin has no outlet, so over the years, sediments have steadily accumulated. In parts of the desert, sand can pile up to 300 meters (roughly 1,000 feet) high. The mountains that enclose the sea of sand—the Tien Shan in the north and the Kunlun Shan in the south—were also covered with what appeared to be a significantly thicker layer of snow in January 2013.
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Comment by Kojima on January 26, 2013 at 12:29pm
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Thank you for your comment about Queensland floods, Lindi Lou.
* Queensland on flood alert [ABC Online; William Rollo reported this story on Saturday, January 26, 2013]
ASHLEY HALL: Many parts of Queensland are on flood alert this weekend, as torrential rain from ex-tropical cyclone Oswald drenches much of the state.
In Brisbane, water is being released from dams to avoid a repeat of the devastating 2011 floods.
Residents around Gladstone are being warned to expect the inundation of their properties
The ABC's William Rollo is in Gladstone.
WILLIAM ROLLO: Yeah the situation' changing pretty quickly actually. A flooding emergency alert has just been issued because a record amount of water is spilling over the Awoonga Dam, which is to the southwest of Gladstone.
The 4.81 metres of water is spilling downstream into the Boyne River, and that's, and there's going to be a 4.2 metre high tide very soon. That could potentially impact hundreds of homes in the suburbs of Boyne Island and Tannum Sands, they're two major residential areas along the Gladstone coast.
Local disaster management crews have described it as an unprecedented situation. Police and SES volunteers are door-knocking homes at the moment, they're urging residents to take higher ground.
They've also opened up the Boyne-Tannum Community Centre for those that need to take refuge. And there's also an emergency alert for people near Callide Creek, near Biloela, to the west of Gladstone, that's because water is being released from the Callide Dam.
Landlines in the area are also down, making communication a little bit tricky. People are using the local ABC Radio station as a bit of a community noticeboard at the moment.
ASHLEY HALL: So Will, there's been an enormous dumping of water. How much rain has hit the city so far?
WILLIAM ROLLO: Since this time yesterday, there's been well over 270 millimetres on Gladstone itself. To the south, in Wallaroo, there's been over 370mls. It's not going to ease up any time soon. Over the next two days, a further 200mls is forecast to fall over the city.
ASHLEY HALL: And it's not looking good in southeast Queensland either. What's the situation there?
WILLIAM ROLLO: No it's not. Emergency Management Queensland are calling on people to stay vigilant with the bad weather. It's expected to hit the southeast later today. Moreton Bay regional council is saying that the storm surges could affect well over 1,000 homes and businesses from Bribie Island to Redcliffe.
ASHLEY HALL: ABC's William Rollo in Gladstone, Queensland
Sam McKee lives in the suburb of Boyne Island, and he's waiting and watching for the worst of the floods to come at high tide.
SAM MCKEE: We're at Boyne Island, standing on the banks of the river near the bridge that links Tannum Sands. The river is about an hour away from high tide and it's still contained within the banks. So we're just watching and waiting, really.
ASHLEY HALL: Watching and waiting. Have you taken any preparations?
SAM MCKEE: Yeah. At five o'clock this morning we received an emergency text from the services followed by a phone call, so we took up some low lying equipment and the kids and the animals and moved them to higher ground.
Now we're just sitting and waiting to see how bad it actually gets.
ASHLEY HALL: What are your expectations?
SAM MCKEE: Well they're claiming a one in 100 level flood. It's still got a way to go yet, but having said that it is an hour til high tide, but all good so far.
ASHLEY HALL: Have you experienced flooding before in this area?
SAM MCKEE: Oh look every summer we get sort of one off events overnight where we get the typical tropical storm, but they normally sort of create flash flooding, whereas this one appears to be possibly a larger event over a wider area.
ASHLEY HALL: Sam McKee at Boyne Island, near Gladstone.EDITORS NOTE: TRANSCRIPT AND AUDIO FOR THIS STORY FROM THE QUEENSLAND UPDATE OF AM.
* Queensland flooding in pictures - ABC Western Queensland
* Flooding forces rescues from homes, cars in Rockhampton [THE AUSTRALIAN; January 25, 2013]
A RESCUER was swept away saving a teenager from raging floodwaters in Rockhampton, parts of which are under water after the city's wettest day in more than 60 years.
Councillor Bill Ludwig says many of the central Queensland city's streets are flooded and “very destructive winds” are being felt from the low pressure system that once was cyclone Oswald.
The system is currently sitting about 120km west of Mackay and expected to cause flooding in communities further south in coming days.
Mr Ludwig warned the situation in Rockhampton is serious and residents should stay off the streets, after a number of dramatic rescues today and overnight.
“They're saying this is not a cyclone but it's not far off it,” he told ABC News 24.
He said he wasn't game to go outside because the wind had left a large sheet of corrugated iron flapping from a nearby building.
“I haven't seen water like this on our roads. I've come in from a rural location and it was pretty hairy to say the least.”
There have been about 20 swift water rescues in central Queensland overnight and today.
The most dramatic was in the Rockhampton suburb of Frenchville, where a rescuer was washed away after dragging a 14-year-old boy to safety.
He was swept under a nearby bridge but then able to reach safety, the ABC said.
The rescued boy has been taken to hospital as a precaution.
A search is also underway for two fisherman whose boat started taking on water off Rockhampton overnight.
The skipper of the 38-foot fishing vessel made the call late last night, but bad weather prevented an immediate search and is hampering search efforts today.
Meanwhile, a house in Frenchville in Rockhampton was hit by a large landslide, the Department of Community Safety said.
The house is still standing and no one was injured but debris has been left piled against the first floor of the two-storey house in Archer View Terrace.
There have been many other rescues in the past 12 hours, including that of a man saved from his car after it began filling with water when he tried to drive through floodwaters at Kabra, west of Rockhampton.
The driver was taken to hospital in a stable condition.
More than 70 roads, including major highways, have been cut across the state since Oswald was downgraded after crossing the Cape York Peninsula's west coast on Tuesday.
At Yeppoon, northeast of Rockhampton, more than 10 homes have flooded and people are sandbagging other properties in a bid to save them.
The Bureau of Meteorology said Rockhampton had recorded its wettest day since 1939, with 349mm falling in the 24 hours to 9am (AEST) today, and it's not over yet.
The city is expected to cop at least another 100mm over the next 12 hours but by tomorrow, the heaviest falls should be further south.
At this stage, authorities are not expecting the Fitzroy River to break its banks at Rockhampton but is likely to reach minor flood levels.
At Gladstone, south of Rockhampton, the city's sewage system is overflowing, sending excrement into people's homes.
The local council is using sandbags to try to weigh down manholes to prevent the problem worsening.
“It comes up through manholes and bubbles into properties. It's not pleasant,” Gladstone Mayor Gail Sellers told ABC Radio.
Supermarket giant Coles said supplies to 26 of its 32 stores in far north Queensland had been affected by the torrential rain and flooding.
Stores in Rockhampton and at Yeppoon had also been forced to close.
With rail lines cut, supplies are being trucked from Townsville to Cairns via Charters Towers.
“We ask our customers to be patient and not to panic buy as there are groceries on the way,” Coles managing director Ian McLeod said.
* Dam levels to be cut amid flood 'concern' [JAMIE WALKER From: The Australian January 25, 2013]
LEVELS in Brisbane's flood shield, the Wivenhoe dam, will be reduced as monsoonal rain intensifies across the city, capping a day of chaos caused by former cyclone Oswald.
Premier Campbell Newman said water would be released from Wivenhoe and a satellite dam at Somerset this afternoon as a precautionary measure.
More than 100mm of rain is forecast to deluge Brisbane over the coming 24 hours, after the monsoonal low left over from the cyclone caused flooding high drama in Rockhampton overnight and early today.
Flooding during Rockhampton's wettest day in over 60 years forced a series of dramatic rescues, including that of a teenager pulled from floodwaters that also briefly swept away a man who had dragged him to safety.
Beaches on the Sunshine Coast, north of Brisbane, were today being pounded by massive seas whipped up the intense weather system.
Allegations that Wivenhoe's managers failed to lower the level of the huge dam early enough prior to the disastrous 2011 flooding of Ipswich and Brisbane, resulting in emergency releases that compounded the crisis, are being pursued by lawyers who have launched a class action on behalf of flood victims.
“We're adopting a precautionary principle here,” Mr Newman said of today's releases from Wivenhoe, Somerset and the smaller North Pine dams.
Mr Newman said the Wivenhoe dam was nowhere near the levels seen before the January 2011 floods.
But he wanted to give the state's southeast the biggest buffer he could to ensure the safety of residents, and the protection of their property.
“I am concerned, but I'm not worried,” the Premier said.
He said that even without the dam drawdowns, he'd been assured that “we have enough in that 1.4 megalitre flood storage compartment to take what's coming”.
But he said Oswald and the low it has become had proven to be an unpredictable weather system, and the drawdowns were about providing additional security and peace of mind.
“Let's make sure we look at what could happen, in the worst case,” Mr Newman said.
Mr Newman said the greatest risk was considered to be urban flooding in the usual low-lying areas close to creeks and stormwater drains.
Asked if he could categorically rule out a repeat of the 2010-11 floods he replied: “Of course, nobody can do that.”
But he said with the capacity available in the dams that was extremely unlikely.
Water Supply Minister Mark McArdle said 41,000 megalitres would be released from Wivenhoe dam over 24 hours from this afternoon.
And 8000 megalitres will be released from North Pine Dam over 11 hours from this afternoon.
“We are giving the biggest buffer we possibly can,” he said.
“Our aim is to protect the people and the property of the southeast corner by making certain the dams are at their most efficient, and best levels, to take inflows.”
The Bureau of Meteorology says the southeast will be lashed by severe weather over the next two days, with rainfalls of 200 to 300mm expected.
There are warnings of potential flash flooding for the southeast, damaging winds and abnormally high tides.
The low is currently swamping communities in central Queensland, causing significant flooding and sparking rescues including in the city of Rockhampton.
The bureau's regional director Rob Webb said the system was expected to remain over land and weaken as it tracks south.
It had been previously feared it might head back out to sea and strengthen into a cyclone again.
“We do expect Saturday and Sunday's morning high tides, from the Fraser Coast south to the border, to approach, if not exceed the highest tide of the year,” Mr Webb told reporters.
Mr Webb said already up to 800mm has fallen in a couple of days in areas from Tully in north Queensland south to Rockhampton.
Ipswich Mayor Paul Pisasale said he was not expecting any widespread flooding in the city, which was hit hard in the 2011 floods.
But he said people in the Bundamba and Woogaroo Creek catchment areas need to remain vigilant and aware of the risk of localised flash flooding.
While some roads may be closed the latest computer modelling indicates there should be only minimal stream rises in the Bremer River between One Mile and the junction of the Brisbane River.
“It is important to note that while significant rainfall is forecast, the dryness of the catchment means we are not expecting any major flooding.” he said in a statement.
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Unusual Cold in China and Northeast Asia [Earth Observatory; Jan24, 2013]
How Widespread was the Australian Heatwave? [Earth Observatory; Jan23, 2013]
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Special Climate Statement 43 - Extreme January heat. [Australian Bureau of Meteorology; 2013, January 14]
Large parts of central and southern Australia are currently under the influence of a persistent and widespread heatwave event. This event is ongoing with further significant records likely to be set. Further updates of this statement and associated significant observations will be made as they occur, and a full and comprehensive report on this significant climatic event will be made when the current event ends.
The last four months of 2012 were abnormally hot across Australia, and particularly so for maximum (day-time) temperatures. For September to December (i.e. the last four months of 2012) the average Australian maximum temperature was the highest on record with a national anomaly of +1.61 °C, slightly ahead of the previous record of 1.60 °C set in 2002 (national records go back to 1910). In this context the current heatwave event extends a four month spell of record hot conditions affecting Australia. These hot conditions have been exacerbated by very dry conditions affecting much of Australia since mid 2012 and a delayed start to a weak Australian monsoon.
The start of the current heatwave event traces back to late December 2012, and all states and territories have seen unusually hot temperatures with many site records approached or exceeded across southern and central Australia. A full list of records broken at stations with long records (>30 years) is given below.
The current heatwave event commenced with a build up of extreme heat in the southwest of Western Australia from 25-30 December 2012 as a high in the Bight and a trough near the west coast directed hot easterly winds over the area. Particularly hot conditions were observed on the 30th, with Cape Naturaliste observing 37.7 °C, its hottest December day in 56 years of record.
From 31 December the high pressure system began to shift eastward, bringing well above average temperatures across southern WA between the 30 December and 2 January. Temperatures reached 47.7 °C at Eyre on the 2nd its hottest day in 24 years of record, while Eucla recorded 48.2 °C on the 3rd, its hottest day since records began in 1957.
By 4 January the high pressure system had moved off eastern Australia, with northerly winds directing very hot air into southeast Australia, while southerly winds eased temperatures in WA. Hobart experienced a minimum temperature of 23.4 °C on the 4th (its hottest January night on record), followed by a maximum of 41.8 °C (its hottest maximum temperature on record for any month in 130 years of records) and the highest temperature observed anywhere in southern Tasmania.
The area of intense heat moved northeast on the 5th as the high pressure system, now centred over the Tasman Sea, and a low pressure trough directed hot northerly winds into the Riverina and western NSW. Areas affected recorded temperatures well in excess of 40 °C, with Marree in SA recording 48.4 °C, Yarrawonga in VIC recording 45.7 °C and Hay in NSW recording 47.7 °C, breaking its annual daytime temperature record.
The area of intense heat lingered over eastern SA and the southern half of NSW until 8 January when the high pressure system in the Tasman Sea began to move eastward. On 8 January, north-westerly winds ahead of a cold front extended the influence of the heatwave to the coast of NSW with temperatures reaching 41 °C in Bega, 42.4 °C in Nowra and 42.4 °C at Sydney Observatory Hill.Western Australia saw a second wave of recording breaking heat on 8-10 January as a second high pressure system moved into the Great Australian Bight directing hot easterly winds in to the state. The highest temperature recorded in WA during this event was 49.0 °C at Leonora, breaking Leonora’s previous record of 48.3 °C, set the day before, with temperatures above 45 °C widespread in interior Western Australia.
Following two days of cooler conditions in the southeast of Australia intense heat returned on the 11th of January. This second wave of heat reached its peak on the 12th and 13th in the eastern states, with Moomba Airport in SA recording 49.6 °C on the 12th (the highest of the event thus far and the highest temperature in SA outside of January 1960), 48.6 °C at Wanaaring Post Office in NSW on the 12th and 49.0 °C at Birdsville in QLD on the 13th. On the morning of the 14th Bedouri Police Station in QLD recorded an overnight minimum temperature of 34.1 °C the highest of the event thus far and the hottest in Queensland since 34.4 °C on 5 January 2006.
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