Alert archive / New Hampshire / Mesoscale Discussions in 2016

Mesoscale Discussion 1917

December 29, 20169 counties in Maine; Middlesex County, Worcester County, Massachusetts; 10 counties in New Hampshire

The Storm Prediction Center issued this mesoscale discussion at Dec 29, 2016, 9:10 PM EST for 9 counties in Maine; Middlesex County, Worcester County, Massachusetts; 10 counties in New Hampshire. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Dec 29, 2016, 9:10 PM EST (02:10 UTC)
Expired: Dec 30, 2016, 3:15 AM EST
In force: 6 hr
Issued by: the Storm Prediction Center

All 21 counties

Middlesex County, MA, Worcester County, MA, Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Hancock County, ME, Kennebec County, ME, Oxford County, ME, Penobscot County, ME, Waldo County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Coos County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH

The radar

The Portland,ME radar (KGYX), 29 km from the middle of the area, began a volume at 02:14 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 30, 3:20 AM EST	Mesoscale Discussion	SPC	Aroostook, Franklin, Kennebec, Penobscot, Piscataquis, Somerset	6 hr

Nearby

Mesoscale Discussions in New Hampshire, 2016 Mesoscale Discussions in Maine, 2016 Mesoscale Discussions in Massachusetts, 2016 Every mesoscale discussion in 2016

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.