Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 76, NWS Gray, ME

July 27, 2005Rockingham County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 27, 2005, 5:52 PM EDT for Rockingham County, New Hampshire. It was in force for 53 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 27, 2005, 5:52 PM EDT (21:52 UTC)
Expired
Jul 27, 2005, 6:45 PM EDT
In force
53 min
Issued by
NWS Gray, ME
Area
Counties, with a storm outline in the text

County Rockingham County, NH

The radar

The Boston radar (KBOX), 115 km from the middle of the area, began a volume at 21:51 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 27, 1:10 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 9.9 hours before the alert went out and 121 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 2005-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 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 2005-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
189 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 27, 2:59 PM EDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jul 27, 2:59 PM EDT, 2 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
259 PM EDT WED JUL 27 2005

.SHORT TERM (TONIGHT THROUGH THURSDAY)...SEVERE THUNDERSTORM WATCH
692 IN EFFECT UNTIL 8 PM EDT. SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING
WINDS. SHOWERS AND THUNDERSTORMS WILL END OVERNIGHT AS A COLD
FRONT MOVES SOUTHEAST ACROSS THE AREA. HIGH PRESSURE BUILDING IN
BEHIND THE FRONT THURSDAY WILL BRING COOLER AND LESS HUMID WEATHER
WITH MOSTLY SUNNY SKIES.
&&

.LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)...MUCH COOLER AND
DRIER AIR WILL CONTINUE TO ENTER THE REGION THU NIGHT INTO FRI.  A
COLD FRONT WILL DISSIPATE AT IT CROSSES THE REGION FRI AFTN.  BEST
VERT MOTION ASSOCIATED WITH UPPER AIR SUPPORT SWINGS N OF OUR
FORECAST AREA.  FOR NOW...WILL ADD A CHC OF SHRA TO THE MTNS AND
LEAVE THE REST OF THE REGION IN THE SLGT CHC CATEGORY.

RELATIVELY DRY PATTERN CONTINUES THROUGH THE WEEKEND.  NEXT
SIGNIFICANT TROUGH A COLD FRONT WILL APPROACH EARLY NEXT WEEK.
&&

.AVIATION...SEVERE THUNDERSTORM WATCH 692 IN EFFECT UNTIL 8 PM
EDT. SHOWERS AND THUNDERSTORMS LIKELY THROUGH EARLY EVENING. SOME
THUNDERSTORMS MAY PRODUCE DAMAGING WINDS. VFR CONDITIONS OVERNIGHT
AND THURSDAY EXCEPT FOR PATCHY VALLEY FOG LATE TONIGHT AND EARLY
THURSDAY MORNING.
&&

.MARINE...IN THE SHORT TERM...SEVERE THUNDERSTORM WATCH 692 IN
EFFECT UNTIL 8 PM EDT. SHOWERS AND THUNDERSTORMS LIKELY THROUGH
EARLY EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS.
SMALL CRAFT ADVISORY IN EFFECT FOR SEAS. SEAS 3 TO 5 FEET TONIGHT
WILL SUBSIDE TO 2 TO 4 FEET THURSDAY. WINDS WILL REMAIN BELOW
SMALL CRAFT ADVISORY CRITERIA THURSDAY.
&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...SEVERE THUNDERSTORM WATCH FOR MEZ007-012-018>028 UNTIL 8 PM
     WEDNESDAY.
NH...SEVERE THUNDERSTORM WATCH FOR NHZ003>010-013-014 UNTIL 8 PM
     WEDNESDAY.
MARINE...SEVERE THUNDERSTORM WATCH FOR ANZ150 UNTIL 8
     PM WEDNESDAY.
     ...SMALL CRAFT ADVISORY FOR ANZ150 UNTIL 3 AM
     THURSDAY.
&&
Hazardous weather outlook, Jul 27, 1:30 PM EDT, 4 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
130 PM EDT WED JUL 27 2005

ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-281238-
ANDROSCOGGIN ME-BELKNAP NH-CENTRAL SOMERSET ME-COASTAL CUMBERLAND ME-
COASTAL ROCKINGHAM NH-COASTAL WALDO ME-COASTAL YORK ME-
INTERIOR CUMBERLAND ME-INTERIOR ROCKINGHAM NH-INTERIOR WALDO ME-
INTERIOR YORK ME-KENNEBEC ME-KNOX ME-LINCOLN ME-MERRIMACK NH-
NORTHERN CARROLL NH-NORTHERN COOS NH-NORTHERN FRANKLIN ME-
NORTHERN GRAFTON NH-NORTHERN OXFORD ME-SAGADAHOC ME-
SOUTHERN CARROLL NH-SOUTHERN COOS NH-SOUTHERN FRANKLIN ME-
SOUTHERN GRAFTON NH-SOUTHERN OXFORD ME-SOUTHERN SOMERSET ME-
STRAFFORD NH-SULLIVAN NH-
COASTAL WATERS FROM STONINGTON (DEER ISLE) ME TO MERRIMACK RIVER MA
OUT 25 NM-
INCLUDING THE CITIES OF...ALFRED...AUBURN...AUGUSTA...BATH...
BELFAST...BERLIN...BETHEL...BETHLEHEM...BIDDEFORD...
BOOTHBAY HARBOR...BRIDGTON...BRUNSWICK...CAMDEN...CLAREMONT...
COBURN GORE...COLEBROOK...CONCORD...CONWAY...DAMARISCOTTA...DERRY...
DOVER...DURHAM...EUSTIS...EXETER...FAIRFIELD...FARMINGTON...
FRANKLIN...FRYEBURG...GARDINER...HAMPTON...HENNIKER...JACKMAN...
KITTERY...LACONIA...LANCASTER...LEBANON...LEWISTON...LINCOLN...
LINCOLNVILLE...LITTLETON...MECHANIC FALLS...MEREDITH...
MOULTONBOROUGH...NAPLES...NEW LONDON...NORTH WINDHAM...NORTHWOOD...
OAKLAND...OSSIPEE...PITTSFIELD...PLYMOUTH...PORTLAND...PORTSMOUTH...
RANGELEY...ROCHESTER...ROCKLAND...RUMFORD...SALEM...SANFORD...
SEARSPORT...SKOWHEGAN...SOUTH PARIS...SOUTH PORTLAND...THORNDIKE...
TOPSHAM...TURNER...WATERVILLE...WESTBROOK...WISCASSET AND WOODSVILLE
839 AM EDT WED JUL 27 2005

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

.DAY ONE...TODAY AND TONIGHT

*** UPDATE ***

SEVERE THUNDERSTORM WATCH BOX NUMBER 692 ISSUED UNTIL 800 PM (REFER
TO SPSGYX).  ISOLATED STORMS MAY CONTAIN WIND GUSTS UP TO 65 MPH.
THIS UPDATE IS TO EXPAND THE THREAT OF SEVERE WEATHER
THIS AFTERNOON AND THIS EVENING TO INCLUDE ALL OF SOUTHERN NEW
HAMPSHIRE AND SOUTHERN MAINE.  ISOLATED THUNDERSTORMS MAY CONTAIN
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

In the hours before

Special weather statement, Jul 27, 2:07 PM EDT, 3 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
207 PM EDT WED JUL 27 2005

NHZ001-002-272006-
NORTHERN COOS NH-SOUTHERN COOS NH-
INCLUDING THE CITIES OF...BERLIN...COLEBROOK AND LANCASTER
207 PM EDT WED JUL 27 2005

...SCATTERED SHOWERS AND THUNDERSTORMS WITH GUSTY WINDS AND HEAVY
RAINS ARE EXPECTED THIS AFTERNOON...

AN AREA OF SHOWERS AND THUNDERSTORMS WILL AFFECT COOS COUNTY THROUGH
MID AFTERNOON. AS THE STRONGEST STORMS AFFECT LANCASTER...STRATFORD
AND PITTSBURG...EXPECT WIND GUSTS TO 40 MPH...PEA SIZED HAIL...AND UP
TO AN INCH OF RAIN IN LESS THAN AN HOUR.

NHZ003-005-272006-
NORTHERN GRAFTON NH-SOUTHERN GRAFTON NH-
INCLUDING THE CITIES OF...BETHLEHEM...LEBANON...LINCOLN...
LITTLETON...PLYMOUTH AND WOODSVILLE
207 PM EDT WED JUL 27 2005

...SCATTERED SHOWERS AND THUNDERSTORMS WITH GUSTY WINDS AND HEAVY
RAINS ARE EXPECTED THIS AFTERNOON...

AN AREA OF SHOWERS AND THUNDERSTORMS WILL AFFECT GRAFTON COUNTY
THROUGH MID AFTERNOON. AS THE STRONGEST STORM AFFECT PIERMONT...
WOODSVILLE AND LITTLETON...EXPECT WIND GUSTS TO 40 MPH...PEA SIZED
HAIL...AND UP TO AN INCH OF RAIN IN LESS THAN AN HOUR.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT.

HAYES
Special weather statement, Jul 27, 2:21 PM EDT, 3 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
221 PM EDT WED JUL 27 2005

NHZ006>010-013-272020-
BELKNAP NH-INTERIOR ROCKINGHAM NH-MERRIMACK NH-SOUTHERN CARROLL NH-
STRAFFORD NH-SULLIVAN NH-
INCLUDING THE CITIES OF...CLAREMONT...CONCORD...DERRY...DOVER...
DURHAM...EXETER...FRANKLIN...HENNIKER...LACONIA...MEREDITH...
MOULTONBOROUGH...NEW LONDON...NORTHWOOD...OSSIPEE...
ROCHESTER AND SALEM
221 PM EDT WED JUL 27 2005

...SCATTERED STRONG THUNDERSTORMS MAY PRODUCE STRONG WINDS AND HEAVY
RAINS THIS AFTERNOON ACROSS CENTRAL AND SOUTHEAST NEW HAMPSHIRE...

DEVELOPING SCATTERED THUNDERSTORMS MAY PRODUCE WIND GUSTS TO 45
MPH...PEA SIZED HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING AS THEY
CROSS CENTRAL AND SOUTHEAST NEW HAMPSHIRE THIS AFTERNOON. IN
ADDITION...UP TO AN INCH OF RAIN MAY FALL IN LESS THAN 30 MINUTES...
RESULTING IN LOCALIZED STREET FLOODING.

IF YOU PLAN TO BE OUTSIDE THIS AFTERNOON ACROSS CENTRAL AND SOUTHEAST
NEW HAMPSHIRE...BE ON THE ALERT FOR DEVELOPING STRONG THUNDERSTORMS
THROUGH EARLY THIS EVENING. A SEVERE THUNDERSTORM WATCH IS IN EFFECT
UNTIL 800 PM EDT.

HAYES
Local storm report, Jul 27, 3:15 PM EDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
315 PM EDT WED JUL 27 2005

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

0305 PM     TSTM WND DMG     LITTLETON               44.31N 71.76W
07/27/2005                   GRAFTON            NH   LAW ENFORCEMENT

            TREES AND POWER LINES BLOWN DOWN

&&

ES
Local storm report, Jul 27, 4:55 PM EDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
455 PM EDT WED JUL 27 2005

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

0418 PM     TSTM WND DMG     NORTH WINDHAM           43.82N 70.43W
07/27/2005                   CUMBERLAND         ME   LAW ENFORCEMENT

            SEVERAL TREES BLOWN DOWN ON ANTHOINE ROAD.

&&

ES
Local storm report, Jul 27, 5:04 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
504 PM EDT WED JUL 27 2005

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

0415 PM     TSTM WND DMG     BARNSTEAD               43.33N 71.29W
07/27/2005                   BELKNAP            NH   LAW ENFORCEMENT

            TREES DOWN

0450 PM     TSTM WND DMG     FARMINGTON              43.39N 71.07W
07/27/2005                   STRAFFORD          NH   LAW ENFORCEMENT

            TREES DOWN

&&

HAYES
Local storm report, Jul 27, 5:33 PM EDT, 19 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:22 PM EDTSevere Thunderstorm WarningGYXYork38 min
Jul 27, 3:47 PM EDTSevere Thunderstorm WarningGYXCumberland43 min
Jul 27, 4:09 PM EDTSevere Thunderstorm WarningGYXOxford36 min
Jul 27, 4:23 PM EDTSevere Thunderstorm WarningGYXFranklin, Somerset37 min
Jul 27, 4:29 PM EDTSpecial Marine WarningGYX2 hr
Jul 27, 4:32 PM EDTSevere Thunderstorm WarningGYXYork43 min
Jul 27, 5:04 PM EDTSevere Thunderstorm WarningGYXLincoln, Sagadahoc26 min
Jul 27, 5:14 PM EDTSevere Thunderstorm WarningGYXYork31 min
Jul 27, 5:21 PM EDTSevere Thunderstorm WarningGYXCumberland24 min
Jul 27, 5:31 PM EDTSevere Thunderstorm WarningGYXWaldo44 min
Jul 27, 5:35 PM EDTSevere Thunderstorm WarningGYXKennebec40 min
Jul 27, 6:26 PM EDTSpecial Marine WarningGYX94 min
Jul 27, 7:27 PM EDTSevere Thunderstorm WarningGYXCumberland48 min
Jul 27, 7:52 PM EDTSpecial Marine WarningGYX83 min
Jul 27, 3:01 PM EDTSevere Thunderstorm WarningGYXSullivan44 min
Jul 27, 3:11 PM EDTSevere Thunderstorm WarningGYXCoos, Grafton23 min
Jul 27, 3:28 PM EDTSevere Thunderstorm WarningGYXMerrimack47 min
Jul 27, 3:41 PM EDTSevere Thunderstorm WarningGYXBelknap49 min
Jul 27, 3:58 PM EDTSevere Thunderstorm WarningGYXCarroll47 min
Jul 27, 4:25 PM EDTSevere Thunderstorm WarningGYXStrafford50 min
Jul 27, 4:56 PM EDTSevere Thunderstorm WarningGYXRockingham64 min
Jul 27, 6:03 PM EDTSevere Thunderstorm WarningGYXMerrimack33 min
Jul 27, 6:19 PM EDTSevere Thunderstorm WarningGYXBelknap41 min
Jul 27, 6:53 PM EDTSevere Thunderstorm WarningGYXRockingham67 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2005Every severe thunderstorm warning in 2005

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.