Alert archive / Maine / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 166, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Aug 3, 2007, 10:19 PM EDT for Somerset County, Maine. It was in force for 56 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
- Aug 3, 2007, 10:19 PM EDT (02:19 UTC)
- Expired
- Aug 3, 2007, 11:15 PM EDT
- In force
- 56 min
- Issued by
- NWS Gray, ME
- Area
- Counties, with a storm outline in the text
County Somerset County, ME
The radar
The Caribou radar (KCBW), 177 km from the middle of the area, began a volume at 02:22 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 00:00Z, 2.3 hours before the alert went out and 182 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.
- Mixed-layer CAPE
- 2052 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.0
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 Aug 3, 9:45 PM EDT, 34 minutes earlier.
Area forecast discussion, Aug 3, 9:45 PM EDT, 34 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 945 PM EDT FRI AUG 3 2007 .SYNOPSIS... A SLOW MOVING COLD FRONT WILL MOVE SOUTHEAST ACROSS THE REGION TONIGHT AND OFF THE COAST SATURDAY. HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT SATURDAY NIGHT AND SUNDAY. A WARM FRONT WILL APPROACH THE FORECAST AREA FROM THE SOUTHWEST MONDAY AND WILL MOVE THROUGH MONDAY NIGHT. A TRAILING COLD FRONT WILL MOVE THROUGH ON TUESDAY. A WEAK LOW PRESSURE AREA WILL PASS SOUTH OF THE AREA WEDNESDAY. HIGH PRESSURE WILL BUILD OVER THE REGION THURSDAY AND FRIDAY. && .NEAR TERM /UNTIL MIDNIGHT TONIGHT/... SVR TSTM WATCH NUMBER 560 WILL END AT 10 PM THIS EVENING. RADAR MOSAIC SHOWS ISOLD STRONG TO SVR TSTMS CONTINUING OVER PORTIONS OF THE FA IN ADVANCE OF AN APPROACHING SFC CDFNT. THE TSTMS SHOULD WEAKEN OVER THE NEXT COUPLE OF HOURS. && .SHORT TERM /MIDNIGHT THROUGH 6 PM SATURDAY/... THE TSTMS WILL WEAKEN AND DIE OUT OVERNIGHT...LEAVING JUST SCT SHRA LATER TNGT. THE CDFNT WILL SLOWLY MOVE SE ACROSS THE FA TNGT AND OFF THE COAST ON SATURDAY. IT WILL TAKE A GOOD PART OF THE DAY SATURDAY TO BRING IN LESS HUMID WX AND COOLER TEMPS ALOFT. THUS SFC TEMPS COULD HIT 90 DEGREES IN MANY SRN AREAS WHILE NRN AND MTS ZONES WILL BE ABLE TO COOL OFF SOME. DRY WX IS EXPECTED SATURDAY THOUGH SOME CLOUDS MAY LINGER AS INDICATED BY MODEL RH FCST. THERE WILL BE SOME F AROUND LATE TNGT DUE TO ANY RAINFALL SATURATING LO LVLS AS WINDS DROP OFF. GENERALLY USED THE GFS40 AND MAV MOS GUIDANCE WITH SOME SUPPORT FROM THE NAM AND MET MOS GUIDANCE. && .LONG TERM /SATURDAY NIGHT THROUGH FRIDAY/... THE HIGH PRESSURE AREA BUILDING IN FOR SATURDAY NIGHT AND SUNDAY WILL BRING DRIER CONDITIONS WITH MOSTLY CLEAR SKIES. CLOUD COVER SHOULD INCREASE ON MONDAY AHEAD OF AN APPROACHING WARM FRONT. SCATTERED SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THE FRONTAL SYSTEM ARE EXPECTED TO IMPACT THE FORECAST AREA MONDAY NIGHT AND TUESDAY. A WEAK LOW PRESSURE AREA WILL PASS SOUTH OF THE FORECAST AREA WEDNESDAY BRINGING ANOTHER ROUND OF SCATTERED SHOWERS. HIGH PRESSURE SHOULD BUILD IN BEHIND THE LOW BRINGING FAIR WEATHER THURSDAY AND FRIDAY. && .AVIATION /02Z SATURDAY THROUGH WEDNESDAY/... SHORT TERM /02Z FRIDAY THROUGH SATURDAY/...VFR CONDITIONS WILL GIVE WAY TO AREAS OF F ESPECIALLY AT KLEB. A FEW SHRA WILL LINGER OVERNIGHT AS THE SCT STG TO PSBLY SVR TSTMS DIE OUT BY MIDNIGHT OR SO. THE F SHOULD LIFT QUICKLY SATURDAY BY 12Z OR 13Z WITH VFR CONDS TO FOLLOW. LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... FAIR WEATHER WILL PREVAIL SATURDAY NIGHT THROUGH MONDAY. SCATTERED THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT AND TUESDAY. SCATTERED SHOWERS ARE POSSIBLE WEDNESDAY. && .MARINE... SHORT TERM /18Z FRIDAY THROUGH SATURDAY/...WINDS AND SEAS WILL REMAIN BLO SCA LVLS THRU SATURDAY THOUGH A FEW GUSTS MAY APPROACH 25 KTS FOR AWHILE OVERNIGHT AS BUOYS ALREADY REPORTING THIS. SVR TSTM POTENTIAL ENDS AROUND 10 PM THOUGH A FEW STG TSTMS COULD CONT FOR A COUPLE MORE HOURS. LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... FAIR WEATHER IS EXPECTED SATURDAY NIGHT THROUGH MONDAY. SCATTERED THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT AND TUESDAY. SCATTERED SHOWERS ARE POSSIBLE WEDNESDAY. WINDS AND SEAS ARE EXPECTED TO REMAIN BELOW SMALL CRAFT ADVISORY CRITERIA. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. &&
Hazardous weather outlook, Aug 3, 10:07 PM EDT, 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAY ME 1007 PM EDT FRI AUG 3 2007 ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-050215- STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM-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- 1007 PM EDT FRI AUG 3 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW HAMPSHIRE...NORTHERN NEW HAMPSHIRE...SOUTHEASTERN NEW HAMPSHIRE AND THE COASTAL WATERS FROM STONINGTON ME TO THE MERRIMACK RIVER MA. .DAY ONE...TONIGHT THE SEVERE THUNDERSTORM WATCH EXPIRED AT 10 PM BUT SOME STRONG AND ISOLATED SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THE LATE EVENING/EARLY MORNING HOURS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION SHOULD CONTINUE THROUGH LATE THIS EVENING/EARLY SATURDAY MORNING.
In the hours before
Special weather statement, Aug 3, 8:49 PM EDT, 1 hour 30 minutes before
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</html>Special weather statement, Aug 3, 8:51 PM EDT, 1 hour 28 minutes before
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</html>Special weather statement, Aug 3, 9:44 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 944 PM EDT FRI AUG 3 2007 MEZ008-013-040230- NORTHERN FRANKLIN-SOUTHERN FRANKLIN- 944 PM EDT FRI AUG 3 2007 ...STRONG THUNDERSTORMS WILL IMPACT FRANKLIN COUNTY THROUGH 1030 PM EDT... AT 944 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 2 MILES SOUTH OF RANGELEY...MOVING EAST AT 35 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND RANGELEY...DALLAS...REDINGTON...MADRID...SALEM AND KINGFIELD THROUGH 1030 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED. DS
Special weather statement, Aug 3, 9:47 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 947 PM EDT FRI AUG 3 2007 MEZ024>028-040230- COASTAL CUMBERLAND-COASTAL WALDO-KNOX-LINCOLN-SAGADAHOC- 947 PM EDT FRI AUG 3 2007 ...STRONG THUNDERSTORMS WILL IMPACT WALDO COUNTY...KNOX COUNTY... SAGADAHOC COUNTY...CUMBERLAND COUNTY AND LINCOLN COUNTY THROUGH 1030 PM EDT... AT 947 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 8 MILES WEST OF BLUE HILL TO ROCKLAND TO NEAR WISCASSET TO 9 MILES SOUTH OF BATH...MOVING EAST AT 25 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND WESTPORT...WALDOBORO...UNION... PHIPPSBURG...NORTHPORT...NOBLEBORO...NEW CASTLE...LINCOLNVILLE...HOPE AND EDGECOMB THROUGH 1030 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED. DS
Special weather statement, Aug 3, 10:04 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 1004 PM EDT FRI AUG 3 2007 MEZ019-020-024>026-040245- ANDROSCOGGIN-COASTAL CUMBERLAND-INTERIOR CUMBERLAND-LINCOLN-SAGADAHOC- 1004 PM EDT FRI AUG 3 2007 ...STRONG THUNDERSTORMS WILL IMPACT ANDROSCOGGIN COUNTY...SAGADAHOC COUNTY...CUMBERLAND COUNTY AND LINCOLN COUNTY THROUGH 1045 PM EDT... AT 1004 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED 3 MILES NORTH OF POWNAL...OR ABOUT 11 MILES WEST OF TOPSHAM...MOVING EAST AT 20 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND RAYMOND... POWNAL...NORTH YARMOUTH...NORTH WINDHAM...NEW GLOUCESTER...GRAY... FREEPORT...LISBON FALLS...TOPSHAM AND BRUNSWICK THROUGH 1045 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. DS
The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 9:11 PM EDT | Special Marine Warning | GYX | 64 min | |
| Aug 3, 9:58 PM EDT | Severe Thunderstorm Warning | GYX | Lincoln, Sagadahoc | 47 min |
| Aug 3, 9:59 PM EDT | Special Marine Warning | GYX | 61 min | |
| Aug 3, 10:11 PM EDT | Special Marine Warning | GYX | 34 min | |
| Aug 3, 10:23 PM EDT | Special Marine Warning | GYX | 67 min | |
| Aug 3, 10:34 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Sagadahoc | 30 min |
| Aug 3, 10:44 PM EDT | Special Marine Warning | GYX | 31 min | |
| Aug 3, 10:58 PM EDT | Special Marine Warning | GYX | 62 min | |
| Aug 3, 11:09 PM EDT | Flash Flood Warning | GYX | Oxford | 3 hr |
| Aug 3, 11:09 PM EDT | Flash Flood Warning | GYX | Franklin, Oxford | 3 hr |
| Aug 3, 11:15 PM EDT | Special Marine Warning | GYX | 60 min | |
| Aug 4, 1:39 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin | 36 min |
| Aug 4, 2:10 PM EDT | Severe Thunderstorm Warning | GYX | Kennebec | 50 min |
| Aug 4, 2:26 PM EDT | Severe Thunderstorm Warning | GYX | Sagadahoc | 49 min |
| Aug 4, 2:37 PM EDT | Severe Thunderstorm Warning | GYX | Lincoln | 38 min |
| Aug 3, 11:09 PM EDT | Flash Flood Warning | GYX | Coos | 3 hr |
Nearby
Severe Thunderstorm Warnings in Maine, 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.