Alert archive / New York / Mesoscale Discussions in 2017

Mesoscale Discussion 1809

December 25, 20174 states

The Storm Prediction Center issued this mesoscale discussion at Dec 25, 2017, 4:36 AM EST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Dec 25, 2017, 4:36 AM EST (09:36 UTC)
Expired
Dec 25, 2017, 9:30 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 26 counties

Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Belknap County, NH, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Columbia County, NY, Dutchess County, NY, Greene County, NY, Orange County, NY, Putnam County, NY, Rensselaer County, NY, Rockland County, NY, Sullivan County, NY, Ulster County, NY, Westchester County, NY, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 88 km from the middle of the area, began a volume at 09:35 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.

IssuedProductOfficeCountiesLasted
Dec 25, 3:23 AM ESTMesoscale DiscussionSPCChemung, Tioga3 hr
Dec 25, 10:57 AM ESTMesoscale DiscussionSPCChautauqua4 hr

Nearby

Mesoscale Discussions in New York, 2017Mesoscale Discussions in New Hampshire, 2017Mesoscale Discussions in Massachusetts, 2017Every mesoscale discussion in 2017

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.