Satellite Liaison Blog

As the Mid-Atlantic and New England gear up for another coastal storm, I finally got around to putting together an animation of Sandy’s visit to the Mid-Atlantic with the Hydrometeorological Prediction Center (HPC) surface analyses overlaid. The animation runs hourly from 10/26/12 to 10/31/12 using the GOES-Sounder RGB Air Mass product. Notice how Sandy changes form a few times while off the East Coast before making that hard left into southern NJ.

I have included a few specific time stamps below to highlight the features that led to this explosive transition from a hurricane to a “superstorm”. Please refer to previous posts to follow how downstream blocking led to the hard left turn.

The image above is from the early morning of 10/28/12 when Sandy (a Category 1 hurricane) was moving east of North Carolina. There was still evidence of a hybrid structure as the area highlighted in red shows…

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