Alert archive / Maine / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 63, NWS Gray, ME

June 22, 2008Franklin County, Kennebec County, Somerset County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 22, 2008, 4:05 PM EDT for Franklin County, Kennebec County, Somerset County, Maine. It was in force for 40 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, 2008, 4:05 PM EDT (20:05 UTC)
Expired
Jun 22, 2008, 4:45 PM EDT
In force
40 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

Counties Franklin County, ME, Kennebec County, ME, Somerset County, ME

The radar

The Portland,ME radar (KGYX), 121 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

Gray, ME (KGYX), launched 12:00Z, 8.1 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 2008-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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 2008-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
107 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1315 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
124 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 Jun 22, 2:46 PM EDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jun 22, 2:46 PM EDT, 1 hour 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
246 PM EDT SUN JUN 22 2008

.SYNOPSIS...
A COLD FRONT WILL SLOWLY APPROACH THE REGION FROM THE WEST TONIGHT
AND MONDAY AND WILL STALL OVER THE REGION MONDAY NIGHT. THE FRONT
WILL SLOWLY MOVE OFFSHORE LATE TUESDAY. HIGH PRESSURE WILL BUILD
OVER THE REGION TUESDAY NIGHT AND WEDNESDAY. A COLD FRONT WILL
APPROACH NORTHERN NEW ENGLAND WEDNESDAY NIGHT AND WILL MOVE SOUTH
OF THE AREA BY THURSDAY EVENING...STALLING SOUTH OF NEW ENGLAND ON
FRIDAY AS HIGH PRESSURE BUILDS OVER THE REGION. A WARM FRONT WILL
APPROACH THE REGION FROM THE SOUTHWEST ON SATURDAY FOLLOWED BY A
COLD FRONT ON SUNDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
SEVERE WEATHER GOING ON AT THE MOMENT SO THIS WILL BE SHORT AND
SWEET. LINE OF CONVECTION CURRENT CROSSING THE FORECAST AREA WILL
MOVE EAST OF THE REGION THIS EVENING BUT LINGERING INSTABILITY
WILL KEEP A CHANCE OF SHOWERS IN THE FORECAST OVERNIGHT WITH POPS
INCREASING TOWARD MORNING IN WESTERN ZONES AS A COLD FRONT
APPROACHES FROM THE WEST. EXPECT ANOTHER NIGHT OF STRATUS IN
COASTAL AREAS AND AREAS OF FOG ELSEWHERE.

&&

.SHORT TERM /MONDAY/...
COLD FRONT APPROACHES THE REGION FROM THE WEST ON MONDAY. EXPECT
ANOTHER DAY OF SHOWERS AND THUNDERSTORMS WITH A THREAT OF SEVERE
THUNDERSTORMS MAINLY OVER NEW HAMPSHIRE. MARINE INFLUENCE SHOULD
ONCE AGAIN INHIBIT CONVECTION ALONG THE MAINE COAST.

&&

.LONG TERM /MONDAY NIGHT THROUGH SUNDAY/...
DUE TO SEVERE WX ACTIVITY USED GMOS WITH GFS40 AND MAV MOS FOR THE
SHORTER LONG TERM.

&&

.AVIATION /19Z SUNDAY THROUGH FRIDAY/...
SHORT TERM...VFR WITH AREAS OF IFR/LIFR IN COASTAL SECTIONS AND RIVER
VALLEYS IN STRATUS AND FOG. VFR ON MONDAY WITH MVFR CIGS/VSBY IN
SHOWERS AND THUNDERSTORMS.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...DUE TO SEVERE WX TDA
USED GMOS AND GFS40 FOR THE LONG TERM.

&&

.MARINE...
SHORT TERM...NO FLAGS.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...DUE TO SEVERE WX TDA
USED GMOS...GFS40 AND WNAWAVE FOR THE LONG TERM.

&&

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

&&
Hazardous weather outlook, Jun 22, 9:48 AM EDT, 6 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
948 AM EDT SUN JUN 22 2008

MEZ007>009-012>014-018>028-NHZ001>010-013-014-231400-
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-
948 AM EDT SUN JUN 22 2008

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

.DAY ONE...TODAY AND TONIGHT

THE STORM PREDICTION CENTER HAS PLACED ALL OF NEW HAMPSHIRE AND
MOST OF SOUTHERN AND WESTERN MAINE...TO INCLUDE YORK, CUMBERLAND,
ANDROSCOGGIN, SAGADAHOC, KENNEBEC, OXFORD, FRANKLIN AND SOMERSET
COUNTIES...IN A SLIGHT RISK OF SEVERE WEATHER FOR TODAY. OUR
FORECAST CALLS FOR STRONG THUNDERSTORMS WITH THE POTENTIAL FOR
HAIL AND GUSTY WINDS FOR ALL AREAS OF NORTHERN, CENTRAL AND
SOUTHEAST NEW HAMPSHIRE AND SOUTHERN AND WESTERN MAINE EXCEPT
ALONG THE COAST.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED IF SEVERE WEATHER DEVELOPS OR
BECOMES IMMINENT.

ANZ150>154-231400-
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-
948 AM EDT SUN JUN 22 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...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION NOT APPLICABLE.

In the hours before

Local storm report, Jun 22, 2:22 PM EDT, 1 hour 43 minutes before
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Local storm report, Jun 22, 3:22 PM EDT, 43 minutes before
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Local storm report, Jun 22, 3:37 PM EDT, 28 minutes before
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Special weather statement, Jun 22, 3:46 PM EDT, 19 minutes before
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Local storm report, Jun 22, 3:53 PM EDT, 12 minutes before
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Local storm report, Jun 22, 4:01 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:43 PM EDTSevere Thunderstorm WarningGYXOxford32 min
Jun 22, 2:15 PM EDTSevere Thunderstorm WarningGYXCumberland, Oxford45 min
Jun 22, 2:42 PM EDTSevere Thunderstorm WarningGYXYork33 min
Jun 22, 2:53 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Cumberland, Franklin, Kennebec, Oxford52 min
Jun 22, 2:58 PM EDTSevere Thunderstorm WarningGYXCumberland32 min
Jun 22, 3:22 PM EDTSevere Thunderstorm WarningGYXCumberland, York38 min
Jun 22, 3:24 PM EDTSpecial Marine WarningGYX66 min
Jun 22, 12:00 PM EDTSevere Thunderstorm WarningGYXGrafton30 min
Jun 22, 12:25 PM EDTSevere Thunderstorm WarningGYXBelknap, Grafton, Merrimack50 min
Jun 22, 12:39 PM EDTSevere Thunderstorm WarningGYXSullivan36 min
Jun 22, 1:10 PM EDTTornado WarningGYXBelknap, Carroll, Grafton35 min
Jun 22, 1:49 PM EDTSevere Thunderstorm WarningGYXMerrimack26 min
Jun 22, 2:15 PM EDTSevere Thunderstorm WarningGYXBelknap, Strafford60 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.