Alert archive / Massachusetts / Mesoscale Discussions in 2019

Mesoscale Discussion 701

May 20, 20196 states

The Storm Prediction Center issued this mesoscale discussion at May 20, 2019, 1:01 PM EDT for 6 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: May 20, 2019, 1:01 PM EDT (17:01 UTC)
Expired: May 20, 2019, 3:00 PM EDT
In force: 119 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 37 counties

Berkshire County, MA, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Kennebec County, ME, Oxford 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, Columbia County, NY, Dutchess County, NY, Rensselaer County, NY, Bristol County, RI, Kent County, RI, Providence County, RI, Bennington County, VT, Orange County, VT, Windham County, VT, Windsor County, VT

The radar

The Boston radar (KBOX), 114 km from the middle of the area, began a volume at 17:02 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 198May 20, 2:00 PM EDT

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
May 20, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	Northwest Hills Planning Region	5 hr
May 20, 5:16 PM EDT	Mesoscale Discussion	SPC		119 min

Nearby

Mesoscale Discussions in Massachusetts, 2019 Mesoscale Discussions in New Hampshire, 2019 Mesoscale Discussions in Maine, 2019 Every mesoscale discussion in 2019

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.