Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 139, NWS Gray, ME

August 21, 2011Grafton County, Merrimack County, Sullivan County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Aug 21, 2011, 2:56 PM EDT for Grafton County, Merrimack County, Sullivan County, New Hampshire. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 21, 2011, 2:56 PM EDT (18:56 UTC)
Expired
Aug 21, 2011, 3:45 PM EDT
In force
49 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

Counties Grafton County, NH, Merrimack County, NH, Sullivan County, NH

The radar

The Portland,ME radar (KGYX), 139 km from the middle of the area, began a volume at 18:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 21, 1:20 PM EDTSevere Thunderstorm WatchSPC8 hr

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 2:06 AM EDTSmall Craft AdvisoryGYX34 hr
Aug 21, 2:29 PM EDTSpecial Weather StatementGYXSomerset46 min
Aug 21, 2:50 PM EDTSevere Thunderstorm WarningGYXSomerset55 min
Aug 21, 3:07 PM EDTSpecial Weather StatementGYX38 min
Aug 21, 4:00 PM EDTSevere Thunderstorm WarningGYXOxford, York45 min
Aug 21, 4:14 PM EDTSpecial Weather StatementGYXFranklin46 min
Aug 21, 4:20 PM EDTSpecial Weather StatementGYXSomerset40 min
Aug 21, 4:36 PM EDTSevere Thunderstorm WarningGYXCumberland, Oxford, York39 min
Aug 21, 4:57 PM EDTSpecial Weather StatementGYXFranklin48 min
Aug 21, 5:00 PM EDTSpecial Weather StatementGYXSomerset45 min
Aug 21, 5:03 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Cumberland, Franklin, Oxford, York42 min
Aug 21, 5:39 PM EDTSpecial Marine WarningGYX66 min
Aug 21, 1:51 PM EDTSpecial Weather StatementGYXGrafton, Sullivan54 min
Aug 21, 2:15 PM EDTSevere Thunderstorm WarningGYXMerrimack, Sullivan45 min
Aug 21, 3:02 PM EDTSpecial Weather StatementGYXBelknap28 min
Aug 21, 3:20 PM EDTSevere Thunderstorm WarningGYXCoos, Grafton55 min
Aug 21, 3:30 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Grafton, Merrimack, Rockingham, Strafford45 min
Aug 21, 3:34 PM EDTSpecial Weather StatementGYXCoos41 min
Aug 21, 4:45 PM EDTSpecial Weather StatementGYXCoos45 min
Aug 21, 7:19 PM EDTSevere Thunderstorm WarningGYXGrafton, Sullivan41 min
Aug 21, 7:58 PM EDTSevere Thunderstorm WarningGYXBelknap, Grafton, Merrimack, Sullivan47 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2011Every severe thunderstorm warning in 2011

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.