Alert archive / Vermont / Mesoscale Discussions in 2020

Mesoscale Discussion 1139

July 8, 20204 states

The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2020, 1:01 PM EDT for 4 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Jul 8, 2020, 1:01 PM EDT (17:01 UTC)
Expired: Jul 8, 2020, 3:00 PM EDT
In force: 119 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

All 39 counties

Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Kennebec County, ME, Lincoln County, ME, Oxford County, ME, Sagadahoc County, ME, Somerset 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, Essex County, NY, Fulton County, NY, Hamilton County, NY, Saratoga County, NY, Warren County, NY, Washington County, NY, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT

The radar

The Portland,ME radar (KGYX), 110 km from the middle of the area, began a volume at 17:01 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 343Jul 8, 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
Jul 8, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 7 more	7 hr
Jul 8, 4:24 PM EDT	Mesoscale Discussion	SPC	Androscoggin, Cumberland, Franklin, Kennebec, Oxford, Penobscot and 5 more	96 min
Jul 8, 1:29 PM EDT	Mesoscale Discussion	SPC	Broome, Cayuga, Chemung, Chenango, Cortland, Livingston and 8 more	91 min
Jul 8, 4:01 PM EDT	Mesoscale Discussion	SPC	Albany, Columbia, Greene, Rensselaer, Schoharie	89 min

Nearby

Mesoscale Discussions in Vermont, 2020 Mesoscale Discussions in New Hampshire, 2020 Mesoscale Discussions in Maine, 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.