There is a major storm expected to hit the Northeast on Thursday, Jan. 4. Bomb cyclone Grayson is rapidly intensifying, with atmospheric pressure expected to drop 47 mb in less than 24 hours, and getting as low as 950 millibars. In comparison, winter storms ‘Nemo’ and ‘Stella’ had pressures around 970 millibar. This extreme ‘bombogenesis’ will produce heavy snow, blizzard conditions, high-speed winds and coastal flooding. Winter storm Grayson is expected to cause Hurricane Sandy level damage. And here it comes:

Visible loop from @CODMeteorology of our powerful matured nor’easter!

Blizzards storm surge in Massachusetts, USA on January 4, 2018:

Wow you’d think this was the scene from a zombie apocalypse movie. This was taken in Wegmans in Chestnut Hill, Boston in anticipation of tomorrow’s Bomb Cyclone Grayson – Image credit to Kelly Mullan:

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Shops empty in Boston before bomb cyclone grayson hits. via Twitter
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Like in a zombie apocalypse! via Twitter

Hurricane force wind warnings from MA up the ME coast. Some tweaks to Blizzard warnings as well putting more in bliz warnings:

This is about as text book as is gets:

Overview of hazards from today’s major winter storm: Heavy snow, high winds, moderate to major coastal flooding:

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Overview of hazards from today’s bomb cyclone Grayson winter storm: Heavy snow, high winds, moderate to major coastal flooding. via Twitter

Powerful nor’easter in the making:

Gusts over hurricane force measured along the coast of North Carolina:

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Hurricane force winds already measured in North Carolina on January 4 2018. via NWS Chat

Check out the gravity waves emanating from the Bomb Cyclone Grayson off the Carolina coast from GOES16 infrared imagery:

Based on HRRR 18-hr forecast of 954 mb … 47 mb / 24 hours … would be the deepening rate (38 mb / 18 hrs) of the blizzard/Nor’easter/bomb cyclone/extratropical storm/winter storm/Grayson/snowstorm/storm:

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Powerful bomb cyclone Grayson undergoes bombogenesis of Carolinas. via Twitter
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Powerful winter storm will bring extreme weather along the northeast US on January 4-5 2018. via Twitter

Look at the truly spectacular piece of energy arriving and amping up the low:

Here first pictures and videos of the powerful winter storm Grayson. One thing is sure: There will be blood!

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