Alert archive / Maine / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 71, NWS Gray, ME

June 24, 2008York County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 24, 2008, 4:23 PM EDT for York County, Maine. It was in force for 37 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 24, 2008, 4:23 PM EDT (20:23 UTC)
Expired
Jun 24, 2008, 5:00 PM EDT
In force
37 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

County York County, ME

The radar

The Portland,ME radar (KGYX), 61 km from the middle of the area, began a volume at 20:26 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, 8.4 hours before the alert went out and 61 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 2008-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2008-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.1939587897117136Sfc1 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
1275 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-21 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 Jun 24, 2:50 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jun 24, 2:50 PM EDT, 1 hour 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
250 PM EDT TUE JUN 24 2008

.SYNOPSIS...
A COLD FRONT WILL MOVE OUT TO SEA TONIGHT AS HIGH PRESSURE
BUILDS IN FROM THE WEST. THE HIGH WILL MOVE OFF THE MID ATLANTIC
COAST ON WEDNESDAY. LOW PRESSURE IN CENTRAL CANADA WILL MOVE EAST
AND PASS NORTH OF THE REGION ON FRIDAY. HIGH PRESSURE WILL BUILD
IN ON SATURDAY. ANOTHER LOW IN CENTRAL CANADA ON SUNDAY WILL BUILD
EAST ON MONDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
H5 TROF WILL MOVE E OF THE FA THIS EVENING AS A CDFNT MOVES OFF
THE COAST. THIS WILL BE THE FOCUS OF SCT CONVECTION THROUGH EARLY
THIS EVENING WITH THE POTENTIAL FOR STRONG AND POSSIBLY ISOLD
SEVERE TSTMS. AS THE EVENING WEARS ON SKIES WILL CLR. THIS WILL
ALLOW SOME PATCHY RADIATION GF TO FORM IN VALLEYS LATE TNGT. USED
THE GFS40 AND MAV MOS FOR THIS FCST.

&&

.SHORT TERM /WEDNESDAY/...
THE H5 TROF AND SFC CDFNT WILL BE WELL TO OUR W ALLOWING UPR LVL
RIDGING AND A SFC HI TO BUILD E INTO THE REGION. THE HI WILL SLIDE
SE OFF THE MID ATLANTIC COAST. A WEAK UPR LVL SHORT WAVE TROF
MOVES SE THRU THE UPR LVL NW FLOW WHICH MAY BRING A SHRA OR TSRA
TO OUR N AND MT ZONES LATE WEDNESDAY. OTRW DRY WX SHOULD PREVAIL.
NW WINDS BACK TO THE SW AND SHOULD BE STRONG ENOUGH TO KEEP THE
SEA BREEZE FROM PUSHING INLAND OVER OUR MORE WRN COASTAL ZONES.
FURTHER E THE SW FLOW WILL BE ONSHORE AND WILL KEEP TEMPS A LITTLE
COOLER AND HAVE ADJUSTED MAV MOS VALUES DOWN A FEW DEGREES. OTRW
USED GFS40 AND MAV MOS FOR THIS FCST.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH TUESDAY/...
WARM FRONT OUT AHEAD OF A LOW IN CENTRAL CANADA WILL BRING SHOWERS
IN FOR THURSDAY AND MOVE OUT WITH A COLD FRONT THURSDAY NIGHT.
NORTHERLY FLOW BEHIND THE DEPARTING CANADIAN LOW WILL DRY THINGS
OUT FOR FRIDAY AND SATURDAY. WE THEN REPEAT WITH AN APPROACHING
WARM FRONT WHICH WILL BRING MORE SHOWERS IN FOR SUNDAY. THESE
SHOWERS COULD BE ENHANCED BY A SECONDARY LOW FORMING OFFSHORE
ON MONDAY. THEN ITS BACK TO A DRYING WESTERLY FLOW FOR TUESDAY.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
SHORT TERM /THROUGH WEDNESDAY/...VFR CONDITIONS WILL PREVAIL
EXCEPT BRIEFLY LWR CONDITIONS IN ANY SHRA OR TSRA INTO THIS
EVENING. THERE COULD BE SOME STRONG TO POSSIBLY SEVERE TSTMS UNTIL
SUNSET THOUGH THEY WILL BE WIDELY SCATTERED AND VERY LOW PROBABILITY OF
HITTING ANY PARTICULAR AIRPORT. SOME RADIATIONAL GF WILL FORM LATE
TNGT AS HIGH PRES RIDGES IN AND WINDS DROP OFF. FOR THE TAF SITES
LEB FOLLOWED BY CON ARE THE MOST LIKELY PLACES TO SEE SOME VSBY
RESTRICTION. A LITTLE BIT OF A NW WIND WILL HELP KEEP THE OTHER
TAF SITES FROM SEEING MUCH...IF ANY...F. VFR CONDITIONS WILL
PREVAIL ON WEDNESDAY.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
MVFR CONDITIONS WITH SHOWERS THURSDAY AND AGAIN SUNDAY.

&&

.MARINE...
SHORT TERM /THROUGH WEDNESDAY/...WINDS AND SEAS WILL REMAIN BLO
SCA LVLS AS THE CDFNT MOVES OUT TO SEA AND HIGH PRES BUILDS IN
THRU THE SHORT TERM. ISOLD TO SCT TSTMS INTO THIS EVENING ARE
PSBL.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
WINDS AND SEAS WILL APPROACH SCA CRITERIA IN THE ONSHORE LOW ON
SUNDAY.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...NONE.

&&
Hazardous weather outlook, Jun 24, 3:21 AM EDT, 13 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
321 AM EDT TUE JUN 24 2008

MEZ007>009-012>014-018>028-NHZ001>010-013-014-250730-
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-
321 AM EDT TUE JUN 24 2008

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE
REGION THIS AFTERNOON. SOME OF THESE STORMS MAY PRODUCE SMALL HAIL
AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

ANZ150>154-250730-
STONINGTON ME TO PORT CLYDE ME OUT TO 25 NM-PENOBSCOT BAY-
PORT CLYDE ME TO CAPE ELIZABETH ME OUT TO 25 NM-CASCO BAY-
CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT TO 25 NM-
321 AM EDT TUE JUN 24 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CASCO BAY...PENOBSCOT
BAY...THE COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER
MA...THE COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME AND
THE COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jun 24, 3:39 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
339 PM EDT TUE JUN 24 2008

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

0315 PM     HAIL             AUBURN                  43.00N 71.35W
06/24/2008  E0.88 INCH       ROCKINGHAM         NH   PUBLIC

0315 PM     HAIL             LONDONDERRY             42.87N 71.37W
06/24/2008  E0.75 INCH       ROCKINGHAM         NH   TRAINED SPOTTER

&&

MC
Special weather statement, Jun 24, 3:39 PM EDT, 44 minutes before
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Special weather statement, Jun 24, 4:03 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
403 PM EDT TUE JUN 24 2008

MEZ019-020-024-025-242030-
ANDROSCOGGIN-COASTAL CUMBERLAND-INTERIOR CUMBERLAND-SAGADAHOC-
403 PM EDT TUE JUN 24 2008

...STRONG THUNDERSTORMS WILL IMPACT ANDROSCOGGIN COUNTY...SAGADAHOC
COUNTY AND CUMBERLAND COUNTY THROUGH 430 PM EDT...

AT 403 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED ABOUT 9 MILES SOUTH OF AUBURN...MOVING
EAST AT 25 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND
AROUND LISBON...DURHAM...LISBON FALLS...TOPSHAM...BRUNSWICK...
BRUNSWICK NAVAL AIR STATION AND BOWDOINHAM THROUGH 430 PM EDT.

SJC
Local storm report, Jun 24, 4:07 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
407 PM EDT TUE JUN 24 2008

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

0330 PM     HAIL             WINDHAM                 42.80N 71.30W
06/24/2008  E0.75 INCH       ROCKINGHAM         NH   PUBLIC

&&

MC
Special weather statement, Jun 24, 4:12 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
412 PM EDT TUE JUN 24 2008

MEZ025-026-242045-
LINCOLN-SAGADAHOC-
412 PM EDT TUE JUN 24 2008

...STRONG THUNDERSTORMS WILL IMPACT SAGADAHOC COUNTY AND LINCOLN
COUNTY THROUGH 445 PM EDT...

AT 412 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 4 MILES NORTH OF BOWDOINHAM MOVING
SOUTHEAST AT 24 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN
AND AROUND BOWDOINHAM AND RICHMOND THROUGH 445 PM EDT.

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

SJC
Special weather statement, Jun 24, 4:18 PM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 2:15 PM EDTSevere Thunderstorm WarningGYXCumberland, York45 min
Jun 24, 2:38 PM EDTSpecial Marine WarningGYX37 min
Jun 24, 3:58 PM EDTSevere Thunderstorm WarningGYXCumberland32 min
Jun 24, 4:07 PM EDTSevere Thunderstorm WarningGYXYork23 min
Jun 24, 4:26 PM EDTSpecial Marine WarningGYX49 min
Jun 24, 4:30 PM EDTSevere Thunderstorm WarningGYXCumberland, York45 min
Jun 24, 4:38 PM EDTSevere Thunderstorm WarningGYXYork22 min
Jun 24, 4:51 PM EDTSevere Thunderstorm WarningGYXOxford39 min
Jun 24, 5:05 PM EDTSevere Thunderstorm WarningGYXYork25 min
Jun 24, 5:50 PM EDTSevere Thunderstorm WarningGYXKnox, Waldo25 min
Jun 24, 5:52 PM EDTSevere Thunderstorm WarningGYXYork23 min
Jun 24, 6:04 PM EDTSevere Thunderstorm WarningGYXKennebec, Lincoln26 min
Jun 24, 6:15 PM EDTSevere Thunderstorm WarningGYXYork28 min
Jun 24, 6:51 PM EDTSevere Thunderstorm WarningGYXWaldo24 min
Jun 24, 6:53 PM EDTSpecial Marine WarningGYX67 min
Jun 24, 3:14 PM EDTSevere Thunderstorm WarningGYXRockingham31 min
Jun 24, 3:31 PM EDTSevere Thunderstorm WarningGYXRockingham, Strafford29 min
Jun 24, 3:33 PM EDTSevere Thunderstorm WarningGYXMerrimack27 min

Nearby

Severe Thunderstorm Warnings in Maine, 2008Every severe thunderstorm warning in 2008

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.