Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 106, NWS Gray, ME

July 26, 2011York County, Maine; Belknap County, Carroll County, Strafford County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 26, 2011, 3:14 PM EDT for York County, Maine; Belknap County, Carroll County, Strafford County, New Hampshire. It was in force for 17 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
Jul 26, 2011, 3:14 PM EDT (19:14 UTC)
Expired
Jul 26, 2011, 3:31 PM EDT
In force
17 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

Counties York County, ME, Belknap County, NH, Carroll County, NH, Strafford County, NH

The radar

The Portland,ME radar (KGYX), 78 km from the middle of the area, began a volume at 19:16 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
Jul 26, 2:30 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 7.2 hours before the alert went out and 77 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-pSkew-T log-p diagram, Gray, ME at 12:00Z on 2011-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2011-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
28 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
180 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 Jul 26, 3:07 PM EDT, 7 minutes earlier.

Area forecast discussion, Jul 26, 3:07 PM EDT, 7 minutes before
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Hazardous weather outlook, Jul 26, 2:32 PM EDT, 42 minutes before
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In the hours before

Local storm report, Jul 26, 2:45 PM EDT, 29 minutes before
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Local storm report, Jul 26, 2:46 PM EDT, 28 minutes before
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Local storm report, Jul 26, 3:02 PM EDT, 12 minutes before
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Local storm report, Jul 26, 3:03 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
303 PM EDT TUE JUL 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     HAIL             MEREDITH                43.66N  71.50W
07/26/2011  E0.75 INCH       BELKNAP            NH   PUBLIC

            TIME ESTIMATED

&&

EVENT NUMBER GYX1100301

KIMBLE
Local storm report, Jul 26, 3:05 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
305 PM EDT TUE JUL 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0235 PM     HAIL             MEREDITH                43.66N  71.50W
07/26/2011  E1.00 INCH       BELKNAP            NH   PUBLIC

            TIME ESTIMATED

&&

EVENT NUMBER GYX1100302

KIMBLE
Local storm report, Jul 26, 3:06 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAY ME
306 PM EDT TUE JUL 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     HAIL             2 NE GILFORD            43.57N  71.38W
07/26/2011  E1.00 INCH       BELKNAP            NH   TRAINED SPOTTER

&&

CORRECTED LOCATION

EVENT NUMBER GYX1100300

MC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:39 PM EDTSevere Thunderstorm WarningGYXYork36 min
Jul 26, 6:17 PM EDTSevere Thunderstorm WarningGYXYork43 min
Jul 26, 6:36 PM EDTSpecial Marine WarningGYX39 min
Jul 26, 6:44 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford, Somerset33 min
Jul 26, 7:19 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Franklin, Kennebec, Oxford, Somerset56 min
Jul 26, 7:36 PM EDTSpecial Marine WarningGYX54 min
Jul 26, 2:22 PM EDTSpecial Weather StatementGYXBelknap38 min
Jul 26, 2:29 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Strafford46 min
Jul 26, 3:35 PM EDTSpecial Weather StatementGYXSullivan40 min
Jul 26, 4:10 PM EDTSevere Thunderstorm WarningGYXGrafton, Merrimack, Sullivan50 min
Jul 26, 4:29 PM EDTAreal Flood AdvisoryGYXGrafton91 min
Jul 26, 4:38 PM EDTSpecial Weather StatementGYXBelknap52 min
Jul 26, 4:53 PM EDTAreal Flood AdvisoryGYXBelknap, Carroll, Strafford82 min
Jul 26, 4:58 PM EDTSevere Thunderstorm WarningGYXBelknap, Merrimack32 min
Jul 26, 5:22 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Strafford38 min
Jul 26, 5:24 PM EDTFlash Flood WarningGYXBelknap, Carroll, Strafford3 hr
Jul 26, 6:17 PM EDTSpecial Weather StatementGYXCoos43 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2011Severe Thunderstorm Warnings in Maine, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.