Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 55, NWS Gray, ME

June 22, 2007Sullivan County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jun 22, 2007, 4:03 PM EDT for Sullivan County, New Hampshire. It was in force for 26 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
Jun 22, 2007, 4:03 PM EDT (20:03 UTC)
Expired
Jun 22, 2007, 4:29 PM EDT
In force
26 min
Issued by
NWS Gray, ME
Area
Counties, with a storm outline in the text

County Sullivan County, NH

The radar

The Burlington radar (KCXX), 149 km from the middle of the area, began a volume at 20:05 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

Chatham, MA (KCHH), launched 12:00Z, 8.1 hours before the alert went out and 263 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, Chatham, MA at 12:00Z on 2007-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Chatham, MA at 12:00Z on 2007-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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 Jun 22, 3:51 PM EDT, 12 minutes earlier.

Area forecast discussion, Jun 22, 3:51 PM EDT, 12 minutes before
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Hazardous weather outlook, Jun 22, 9:20 AM EDT, 6 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
920 AM EDT FRI JUN 22 2007

MEZ007>009-012>014-018>028-NHZ001>010-013-014-231330-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-COASTAL WALDO-
NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-NORTHERN CARROLL-
SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-MERRIMACK-BELKNAP-
STRAFFORD-INTERIOR ROCKINGHAM-COASTAL ROCKINGHAM-
920 AM EDT FRI JUN 22 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW
HAMPSHIRE...NORTHERN NEW HAMPSHIRE AND SOUTHEASTERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS MAY PRODUCE SMALL HAIL AND GUSTY WINDS
THIS AFTERNOON AND THIS EVENING. THERE IS A SMALL CHANCE DAMAGING
WINDS AND LARGE HAIL COULD OCCUR WITH THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED. REPORTS OF WIND GUSTS AND HAIL
WOULD BE GREATLY APPRECIATED.

In the hours before

Special weather statement, Jun 22, 1:19 PM EDT, 2 hours 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
119 PM EDT FRI JUN 22 2007

NHZ005-008>010-013-221815-
BELKNAP-INTERIOR ROCKINGHAM-MERRIMACK-SOUTHERN GRAFTON-STRAFFORD-
119 PM EDT FRI JUN 22 2007

...STRONG THUNDERSTORMS WILL IMPACT BELKNAP COUNTY...STRAFFORD
COUNTY...MERRIMACK COUNTY...ROCKINGHAM COUNTY AND GRAFTON COUNTY
THROUGH 215 PM EDT...

AT 119 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS CENTERED 4 MILES EAST OF NEW
HAMPTON...MOVING SOUTHEAST AT 20 MPH. THIS CLUSTER OF STRONG
THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND NEW HAMPTON...
MEREDITH...BRISTOL...HILL...SANBORNTON...LACONIA...GILFORD...
FRANKLIN...AND TILTON-NORTHFIELD THROUGH 215 PM EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 45 MPH CAN BE EXPECTED.

HAYES
Special weather statement, Jun 22, 1:45 PM EDT, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
145 PM EDT FRI JUN 22 2007

MEZ021-025-026-221830-
KENNEBEC-LINCOLN-SAGADAHOC-
145 PM EDT FRI JUN 22 2007

...STRONG THUNDERSTORMS WILL IMPACT KENNEBEC COUNTY...SAGADAHOC
COUNTY AND LINCOLN COUNTY THROUGH 230 PM EDT...

AT 145 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 6 MILES WEST OF HALLOWELL...MOVING
SOUTHEAST AT 20 MPH. THIS STRONG THUNDERSTORM WILL AFFECT
HALLOWELL...RANDOLPH...GARDINER...FARMINGDALE...PITTSTON...DRESDEN
AND RICHMOND THROUGH 230 PM EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 50 MPH CAN BE EXPECTED.

HAYES
Special weather statement, Jun 22, 1:50 PM EDT, 2 hours 13 minutes before
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Special weather statement, Jun 22, 1:58 PM EDT, 2 hours 5 minutes before
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Special weather statement, Jun 22, 2:08 PM EDT, 1 hour 55 minutes before
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Local storm report, Jun 22, 2:55 PM EDT, 1 hour 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 12:14 PM EDTSpecial Marine WarningGYX61 min
Jun 22, 1:39 PM EDTSpecial Marine WarningGYX66 min
Jun 22, 1:47 PM EDTSevere Thunderstorm WarningGYXKennebec28 min
Jun 22, 1:53 PM EDTSevere Thunderstorm WarningGYXLincoln52 min
Jun 22, 2:12 PM EDTSevere Thunderstorm WarningGYXCumberland, Sagadahoc33 min
Jun 22, 2:37 PM EDTSpecial Marine WarningGYX53 min
Jun 22, 2:00 PM EDTSevere Thunderstorm WarningGYXMerrimack45 min
Jun 22, 2:23 PM EDTSevere Thunderstorm WarningGYXBelknap23 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2007Every severe thunderstorm warning in 2007

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.