Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 97, NWS Gray, ME

August 7, 2014Rockingham County, Strafford County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Aug 7, 2014, 6:01 PM EDT for Rockingham County, Strafford County, New Hampshire. It was in force for 25 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 7, 2014, 6:01 PM EDT (22:01 UTC)
Expired: Aug 7, 2014, 6:26 PM EDT
In force: 25 min
Issued by: NWS Gray, ME
Area: Storm-based polygon

Counties Rockingham County, NH, Strafford County, NH

The radar

The Portland,ME radar (KGYX), 106 km from the middle of the area, began a volume at 22:01 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 nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 10.0 hours before the alert went out and 105 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 13 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1431 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gray, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 3:07 PM EDT, 2 hours 54 minutes earlier.

Area forecast discussion, Aug 7, 3:07 PM EDT, 2 hours 54 minutes before

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Hazardous weather outlook, Aug 7, 3:09 PM EDT, 2 hours 52 minutes before

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In the hours before

Local storm report, Aug 7, 4:32 PM EDT, 1 hour 29 minutes before

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Local storm report, Aug 7, 4:36 PM EDT, 1 hour 25 minutes before

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Local storm report, Aug 7, 4:55 PM EDT, 1 hour 6 minutes before

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Special weather statement, Aug 7, 5:25 PM EDT, 36 minutes before

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Local storm report, Aug 7, 5:41 PM EDT, 20 minutes before

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Special weather statement, Aug 7, 5:45 PM EDT, 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 12:55 PM EDT	Special Weather Statement	GYX	Oxford	35 min
Aug 7, 1:15 PM EDT	Special Weather Statement	GYX	Cumberland	30 min
Aug 7, 1:24 PM EDT	Areal Flood Advisory	GYX	Franklin, Oxford	111 min
Aug 7, 1:34 PM EDT	Special Weather Statement	GYX	Cumberland	26 min
Aug 7, 1:46 PM EDT	Special Weather Statement	GYX	York	29 min
Aug 7, 1:55 PM EDT	Special Weather Statement	GYX	Androscoggin	35 min
Aug 7, 2:15 PM EDT	Severe Thunderstorm Warning	GYX	Kennebec	45 min
Aug 7, 2:17 PM EDT	Severe Thunderstorm Warning	GYX	Oxford, York	43 min
Aug 7, 2:29 PM EDT	Severe Thunderstorm Warning	GYX	York	46 min
Aug 7, 2:37 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	38 min
Aug 7, 2:44 PM EDT	Severe Thunderstorm Warning	GYX	York	31 min
Aug 7, 2:55 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	50 min
Aug 7, 3:06 PM EDT	Special Marine Warning	GYX		54 min
Aug 7, 3:07 PM EDT	Severe Thunderstorm Warning	GYX	York	33 min
Aug 7, 3:52 PM EDT	Special Weather Statement	GYX	Waldo	23 min
Aug 7, 4:12 PM EDT	Areal Flood Advisory	GYX	Somerset, Waldo	2 hr
Aug 7, 4:41 PM EDT	Flash Flood Warning	GYX	Waldo	3 hr
Aug 7, 5:12 PM EDT	Special Marine Warning	GYX		63 min
Aug 7, 5:25 PM EDT	Special Weather Statement	GYX	Somerset	50 min
Aug 7, 6:24 PM EDT	Areal Flood Advisory	GYX	Somerset	111 min
Aug 7, 12:05 PM EDT	Special Weather Statement	GYX	Sullivan	25 min
Aug 7, 12:15 PM EDT	Special Weather Statement	GYX	Sullivan	30 min
Aug 7, 12:18 PM EDT	Special Weather Statement	GYX	Grafton	27 min
Aug 7, 12:36 PM EDT	Special Weather Statement	GYX	Carroll	39 min
Aug 7, 12:49 PM EDT	Special Weather Statement	GYX	Coos	26 min
Aug 7, 1:02 PM EDT	Special Weather Statement	GYX	Grafton	28 min
Aug 7, 1:19 PM EDT	Special Weather Statement	GYX	Carroll	26 min
Aug 7, 1:20 PM EDT	Special Weather Statement	GYX	Carroll	25 min
Aug 7, 1:28 PM EDT	Special Weather Statement	GYX	Coos	32 min
Aug 7, 1:41 PM EDT	Special Weather Statement	GYX	Coos	34 min
Aug 7, 1:43 PM EDT	Special Weather Statement	GYX	Carroll	32 min
Aug 7, 1:44 PM EDT	Special Weather Statement	GYX	Strafford	31 min
Aug 7, 1:47 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Strafford	43 min
Aug 7, 1:49 PM EDT	Special Weather Statement	GYX	Belknap	26 min
Aug 7, 1:50 PM EDT	Special Weather Statement	GYX	Carroll	25 min
Aug 7, 1:52 PM EDT	Special Weather Statement	GYX	Grafton	23 min
Aug 7, 3:00 PM EDT	Special Weather Statement	GYX	Rockingham	30 min
Aug 7, 3:09 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	36 min
Aug 7, 3:30 PM EDT	Special Weather Statement	GYX	Grafton	30 min
Aug 7, 3:37 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	26 min
Aug 7, 4:21 PM EDT	Severe Thunderstorm Warning	GYX	Sullivan	54 min
Aug 7, 4:29 PM EDT	Special Weather Statement	GYX	Carroll	46 min
Aug 7, 4:30 PM EDT	Special Weather Statement	GYX	Rockingham	30 min
Aug 7, 4:49 PM EDT	Severe Thunderstorm Warning	GYX	Rockingham	25 min
Aug 7, 5:45 PM EDT	Special Weather Statement	GYX	Strafford	45 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2014 Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.