Alert archive / New York / Mesoscale Discussions in 2020

Mesoscale Discussion 1855

December 16, 20204 states

The Storm Prediction Center issued this mesoscale discussion at Dec 16, 2020, 6:48 PM EST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Dec 16, 2020, 6:48 PM EST (23:48 UTC)
Expired: Dec 17, 2020, 12:15 AM EST
In force: 5 hr
Issued by: the Storm Prediction Center
Concerning: Heavy snow

All 39 counties

Berkshire County, MA, Hampden County, MA, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Hunterdon County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Bronx County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Greene County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Sullivan County, NY, Ulster County, NY, Westchester County, NY, Carbon County, PA, Columbia County, PA, Lackawanna County, PA, Luzerne County, PA, Monroe County, PA, Northampton County, PA, Pike County, PA, Sullivan County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Albany radar (KENX), 142 km from the middle of the area, began a volume at 23:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 16, 8:38 AM EST	Mesoscale Discussion	SPC	Bedford, Fulton	6 hr
Dec 16, 1:57 PM EST	Mesoscale Discussion	SPC	Adams, Bedford, Berks, Blair, Carbon, Centre and 19 more	5 hr

Nearby

Mesoscale Discussions in New York, 2020 Mesoscale Discussions in Pennsylvania, 2020 Mesoscale Discussions in New Jersey, 2020 Every mesoscale discussion in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.