Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 37, NWS Gray, ME

July 5, 2005Coos County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 5, 2005, 5:26 PM EDT for Coos 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
Jul 5, 2005, 5:26 PM EDT (21:26 UTC)
Expired
Jul 5, 2005, 6:15 PM EDT
In force
49 min
Issued by
NWS Gray, ME
Area
Counties, with a storm outline in the text

County Coos County, NH

The radar

The Portland,ME radar (KGYX), 122 km from the middle of the area, began a volume at 21:27 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

Albany, NY (KALY), launched 12:00Z, 9.4 hours before the alert went out and 301 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, Albany, NY at 12:00Z on 2005-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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, Albany, NY at 12:00Z on 2005-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.1939Sfc1 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
16 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
688 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
133 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 5, 3:13 PM EDT, 2 hours 13 minutes earlier.

Area forecast discussion, Jul 5, 3:13 PM EDT, 2 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
313 PM EDT TUE JUL 5 2005

.SHORT TERM (TONIGHT THROUGH WEDNESDAY)...FRONT CURRENTLY EXTENDS
FROM KTDW THROUGH CYMT UP TO CYZV WITH CONVECTION WELL OUT AHEAD
OF IT.  FRONT WILL CONTINUE TO TRACK TOWARD THE COAST WITH
CONVECTION MAKING IT TO THE COAST BY SUNSET.  GFS SHOWS MORE IN
THE WAY OF QPF OVERNIGHT THAN DOES ETA BUT WILL ELECT TO GO WITH
CATEGORICAL PRECIPITATION THROUGH WEDNESDAY.  WILL CONTINUE
ENHANCED WORDING ABOUT WINDS/SMALL HAIL THIS EVENING.  FOR
WEDNESDAY WILL GO WITH RAIN MAY BE HEAVY AT TIMES AS WE HEAD
INTO A VERY WET SCENARIO NEXT COUPLE OF DAYS.  TEMPERATURES A
BLEND OF MAV/MET DATA.  WILL ISSUE A ESF TO ADDRESS POSSIBILITY
OF SOME DEGREE OF FLOODING WITH THE WED/THU EVENT.
&&

.LONG TERM (WEDNESDAY NIGHT THROUGH TUESDAY)...AREAS OF HEAVY RAIN
CONTINUE THE FIRST HALF OF WEDNESDAY NIGHT.  THEREAFTER...THE MODELS
DIVERGE.  GFS IS MORE PROGRESSIVE THEN THE NAM.  NAM HOLDS ENERGY
BACK IN THE GULF OF MAINE AND KEEPS NE FLOW OVER THE COASTAL WATERS
BEFORE CIRCULATION FINALLY FILLS ON FRIDAY.  SPLIT THE DIFFERENCE ON
THE POPS/TIMING FOR STEADY PRECIPITATION TO TAPER OFF LATE
WEDNESDAY NIGHT/THURSDAY.  IN ANY CASE...EXPECT 2 TO 4 INCHES OF
RAINFALL DURING THIS PERIOD.
&&

.AVIATION...VFR WILL DROP TO MVFR THIS EVENING...THEN DOWN TO
IFR/LIFR OVERNIGHT.
&&

.MARINE...WINDS WILL SWING AROUND TO THE NE WEDNESDAY OR WEDNESDAY
NIGHT.  A VERY LATE SEASON NORTHEASTER TO ENTER THE AREA.  MAY NEED
TO GO ABOVE WIND/WAVE GUIDANCE AS MODELS MAY BE HAVING A DIFFICULT
TIME HANDLING THIS SYSTEM.
&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...NONE.
&&
Hazardous weather outlook, Jul 5, 8:45 AM EDT, 8 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
845 AM EDT TUE JUL 5 2005

MEZ007>009-012>014-018>028-NHZ001>010-013-014-060853-
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-
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
845 AM EDT TUE JUL 5 2005

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

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS TODAY WITH THE MAIN
THREAT BEING DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...

A SLOW MOVING WEATHER SYSTEM...WHICH MAY EVEN STALL FOR A WHILE OVER
THE REGION...COULD BRING SIGNIFICANT RAINFALL TO THE REGION
WEDNESDAY INTO THURSDAY.  THIS COULD LEAD TO SOME DEGREE OF FLOODING
ESPECIALLY ON SMALLER RIVERS AND STREAMS AS WELL AS LOW LYING AREAS.
CONTINUE TO MONITOR LATER FORECASTS FOR UPDATES ON THIS SITUATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

In the hours before

Special weather statement, Jul 5, 2:17 PM EDT, 3 hours 9 minutes before
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Special weather statement, Jul 5, 3:05 PM EDT, 2 hours 21 minutes before
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Special weather statement, Jul 5, 3:38 PM EDT, 1 hour 48 minutes before
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Special weather statement, Jul 5, 4:37 PM EDT, 49 minutes before
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Special weather statement, Jul 5, 4:37 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE GRAY ME
437 PM EDT TUE JUL 5 2005

NHZ003-005-007-052236-
NORTHERN GRAFTON NH-SOUTHERN GRAFTON NH-SULLIVAN NH-
INCLUDING THE CITIES OF...BETHLEHEM...CLAREMONT...LEBANON...
LINCOLN...LITTLETON...PLYMOUTH AND WOODSVILLE
437 PM EDT TUE JUL 5 2005

...STRONG THUNDERSTORMS WILL AFFECT WESTERN NEW HAMPSHIRE THROUGH
LATE THIS AFTERNOON...

A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN NEW HAMPSHIRE FROM
HANOVER NORTH TO HAVERHILL BETWEEN 445 PM AND 530 PM. THESE STORMS
WILL PRODUCE WIND GUSTS TO 45 MPH...PEA SIZED HAIL AND FREQUENT CLOUD
TO GROUND LIGHTNING.

IN ADDITION...THE STRONGEST STORMS WILL PRODUCE UP TO 1.5 INCHES OF
RAIN IN LESS THAN 40 MINUTES. THIS MUCH RAIN WILL RESULT IN STREET
FLOODING...AS WELL AS SHARP RISES ON CREEKS AND STREAMS.

THE STRONG STORMS WILL AFFECT LINCOLN...WENTWORTH...DORCHESTER AND
CANAAN AFTER 515 PM WITH STRONG WINDS...HEAVY RAINS AND LIGHTNING.

HAYES
Special weather statement, Jul 5, 5:25 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
525 PM EDT TUE JUL 5 2005

MEZ007-NHZ001-002-052324-
NORTHERN COOS NH-NORTHERN OXFORD ME-SOUTHERN COOS NH-
INCLUDING THE CITIES OF...BERLIN...COLEBROOK AND LANCASTER
525 PM EDT TUE JUL 5 2005

...STRONG THUNDERSTORMS WITH STRONG WINDS AND HEAVY RAINS WILL AFFECT
COOS AND OXFORD COUNTIES THROUGH EARLY THIS EVENING...

AN AREA OF SCATTERED STRONG THUNDERSTORMS WILL PRODUCE WIND GUSTS TO
45 MPH...PEA TO MARBLE SIZED HAIL...AS WELL AS FREQUENT LIGHTNING AS
THEY AFFECT SOUTHERN COOS COUNTY AND NORTHERN OXFORD COUNTIES. THE
STRONGEST STORMS WILL AFFECT DUMMER...MILAN...UPTON AND ANDOVER
THROUGH 600 PM.

IN ADDITION...THESE STORMS MAY PRODUCE BETWEEN 1 AND 2 INCHES OF RAIN
IN LESS THAN 40 MINUTES. THIS MUCH RAIN WILL RESULT IN STREET
FLOODING...AS WELL AS SHARP RISES ON CREEKS AND STREAMS. IF YOU PLAN
TO BE OUTSIDE THIS EVENING IN COOS OR OXFORD COUNTIES...BE ON THE
ALERT FOR THREATENING WEATHER.

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:12 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford48 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.