
Visible satellite image of the Hudson Bay, Canada, storm on August 10, 2016 at 10:45 a.m. EDT, showing the occluded storm's "apostrophe" shape.
This extratropical storm intensified Tuesday over Hudson Bay, eventually reaching peak strength Wednesday, before weakening Thursday.
A visible satellite image showed the storm's classic mature phase as a cold occlusion, with relatively cool air completely wrapped around the low center, and a trailing band of clouds ahead of the cold front, resembling an apostrophe or the number 9.
Here is what the frontal structure of this storm looked like Wednesday, courtesy of NOAA's Weather Prediction Center.

You wouldn't expect that kind of storm in the Northern Hemisphere in August anyway, as north-to-south temperature contrasts fueling the development of extratropical storms are at a minimum in the heart of summer.
Now, let's zoom in on this beauty, starting with a visible satellite loop from Wednesday, Aug. 10.
With deep, relatively cool air wrapped completely around the low, you wouldn't expect deep thunderstorms in that circulation.
Therefore, the infrared satellite image shows some interesting structure in the core of the storm, but may not strike you as spectacular as, say, hurricanes or summer's thunderstorm clusters, mesoscale convective systems.

By zooming out and taking off the political borders, the storm, coupled with a dark slot of drier air to its south, resembles the side view of a face.

This storm's wind field was quite impressive, as shown by the European model analysis from Wednesday morning.

Typically, these storms are more common in and near the Lower 48 states from fall through spring, producing snowstorms, high wind events, coastal flooding, even occasionally spawning severe weather outbreaks.
Even by Canadian standards, this was a fairly impressive storm for mid-August.
And it gave meteorologists something to admire.






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