Alert archive / Maine / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 82, NWS Gray, ME

August 6, 2014Cumberland County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Aug 6, 2014, 2:52 PM EDT for Cumberland County, Maine. It was in force for 38 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 6, 2014, 2:52 PM EDT (18:52 UTC)
Expired
Aug 6, 2014, 3:30 PM EDT
In force
38 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

County Cumberland County, ME

The radar

The Portland,ME radar (KGYX), 11 km from the middle of the area, began a volume at 18:56 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

Chatham, MA (KCHH), launched 12:00Z, 6.9 hours before the alert went out and 239 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, Chatham, MA at 12:00Z on 2014-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 296 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, Chatham, MA at 12:00Z on 2014-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.19395878Sfc1 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
296 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Aug 6, 12:27 PM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 6, 12:27 PM EDT, 2 hours 25 minutes before
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Hazardous weather outlook, Aug 6, 2:35 AM EDT, 12 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
235 AM EDT WED AUG 6 2014

MEZ007>009-012>014-018>028-NHZ001>010-013-014-070645-
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-
235 AM EDT WED AUG 6 2014

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ150>154-070645-
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-
235 AM EDT WED AUG 6 2014

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...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 6, 1:52 PM EDT, 1 hour before
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Special weather statement, Aug 6, 1:53 PM EDT, 59 minutes before
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Special weather statement, Aug 6, 1:56 PM EDT, 56 minutes before
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Special weather statement, Aug 6, 2:16 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
216 PM EDT WED AUG 6 2014

MEZ024>026-061915-
COASTAL CUMBERLAND-LINCOLN-SAGADAHOC-
216 PM EDT WED AUG 6 2014

...STRONG THUNDERSTORMS WILL IMPACT SAGADAHOC COUNTY...LINCOLN COUNTY
AND CUMBERLAND COUNTY THROUGH 315 PM EDT...

AT 217 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 3 MILES NORTHWEST OF ARROWSIC...OR ABOUT
3 MILES SOUTH OF BATH...MOVING SOUTHEAST AT 15 MPH. THIS STRONG
THUNDERSTORM WILL AFFECT AREAS IN AND AROUND WOOLWICH...BRUNSWICK
NAVAL AIR STATION...BRUNSWICK EXECUTIVE AIRPORT...BATH...
PHIPPSBURG...ARROWSIC...WESTPORT...POPHAM BEACH STATE PARK...
GEORGETOWN AND BOOTHBAY THROUGH 315 PM EDT.

HAIL UP TO THREE QUARTER INCH IN DIAMETER...HEAVY DOWNPOURS...
EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH
CAN BE EXPECTED.

LAT...LON 4383 6950 4383 6953 4386 6953 4382 6954
      4381 6958 4375 6957 4376 6958 4375 6963
      4380 6962 4377 6966 4381 6970 4373 6976
      4370 6976 4373 6976 4370 6984 4386 7001
      4400 6986 4386 6948

MLE
Special weather statement, Aug 6, 2:30 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
230 PM EDT WED AUG 6 2014

MEZ018-019-023-024-061900-
COASTAL CUMBERLAND-COASTAL YORK-INTERIOR CUMBERLAND-INTERIOR YORK-
230 PM EDT WED AUG 6 2014

...STRONG THUNDERSTORMS WILL IMPACT YORK COUNTY AND CUMBERLAND COUNTY
THROUGH 300 PM EDT...

AT 230 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED OVER STANDISH...OR ABOUT 9 MILES
SOUTHWEST OF NORTH WINDHAM...MOVING EAST AT 20 MPH. THIS STRONG
THUNDERSTORM WILL AFFECT AREAS IN AND AROUND STEEP FALLS...FRYE
ISLAND...LIMINGTON...STANDISH...LOWER BAY...BAR MILLS...NORTH
WINDHAM...BUXTON...SOUTH WINDHAM AND GORHAM THROUGH 300 PM EDT.

HAIL UP TO THREE QUARTER INCH IN DIAMETER...HEAVY DOWNPOURS...
EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH
CAN BE EXPECTED.

LAT...LON 4370 7077 4386 7067 4381 7013 4371 7019
      4367 7023 4366 7022 4352 7031

MLE
Special weather statement, Aug 6, 2:38 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
238 PM EDT WED AUG 6 2014

MEZ022-027-028-061945-
COASTAL WALDO-INTERIOR WALDO-KNOX-
238 PM EDT WED AUG 6 2014

...STRONG THUNDERSTORMS WILL IMPACT KNOX COUNTY AND WALDO COUNTY
THROUGH 345 PM EDT...

AT 239 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 2 MILES NORTH OF SEARSMONT...OR ABOUT 10
MILES WEST OF BELFAST...MOVING SOUTHEAST AT 25 MPH. THIS STRONG
THUNDERSTORM WILL AFFECT AREAS IN AND AROUND WASHINGTON...WALDO...
MORRILL...MONTVILLE...LIBERTY...APPLETON...SEARSMONT...SWAN LAKE
STATE PARK...SWANVILLE AND HOPE THROUGH 345 PM EDT.

HAIL UP TO THREE QUARTER INCH IN DIAMETER...HEAVY DOWNPOURS...
EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH
CAN BE EXPECTED.

LAT...LON 4406 6886 4410 6896 4417 6892 4417 6900
      4431 6894 4415 6907 4430 6945 4461 6904
      4449 6881 4446 6880 4442 6887 4444 6891
      4442 6897 4434 6893 4440 6889 4438 6886
      4436 6885 4418 6894 4416 6891 4419 6879

MLE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 8:07 PM EDTSpecial Weather StatementGYXOxford23 min
Aug 5, 8:22 PM EDTSevere Thunderstorm WarningGYXYork38 min
Aug 5, 8:25 PM EDTSpecial Weather StatementGYXOxford35 min
Aug 5, 8:37 PM EDTSpecial Weather StatementGYXFranklin23 min
Aug 5, 8:57 PM EDTSpecial Weather StatementGYXFranklin33 min
Aug 5, 8:59 PM EDTSpecial Weather StatementGYXAndroscoggin31 min
Aug 5, 9:54 PM EDTSpecial Weather StatementGYXFranklin66 min
Aug 6, 1:11 PM EDTSpecial Weather StatementGYXKennebec49 min
Aug 6, 1:52 PM EDTSpecial Weather StatementGYXLincoln68 min
Aug 6, 1:53 PM EDTSpecial Weather StatementGYXSagadahoc67 min
Aug 6, 2:16 PM EDTSpecial Weather StatementGYXSagadahoc59 min
Aug 6, 2:30 PM EDTSpecial Weather StatementGYXCumberland30 min
Aug 6, 2:54 PM EDTSpecial Marine WarningGYX66 min
Aug 6, 3:05 PM EDTSpecial Weather StatementGYXYork25 min
Aug 6, 3:12 PM EDTSpecial Marine WarningGYX63 min
Aug 6, 4:58 PM EDTSpecial Weather StatementGYXAndroscoggin47 min
Aug 6, 5:22 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Cumberland, Sagadahoc53 min
Aug 6, 5:44 PM EDTSpecial Weather StatementGYXYork61 min
Aug 6, 6:11 PM EDTSevere Thunderstorm WarningGYXCumberland, Lincoln, Sagadahoc49 min
Aug 6, 6:13 PM EDTSpecial Marine WarningGYX62 min
Aug 6, 6:33 PM EDTSpecial Weather StatementGYXYork57 min
Aug 6, 6:38 PM EDTSpecial Weather StatementGYXKennebec67 min
Aug 5, 8:05 PM EDTSpecial Weather StatementGYXBelknap25 min
Aug 6, 1:32 PM EDTSpecial Weather StatementGYXCarroll28 min
Aug 6, 1:56 PM EDTSpecial Weather StatementGYXCarroll34 min
Aug 6, 7:35 PM EDTSpecial Weather StatementGYXStrafford25 min

Nearby

Severe Thunderstorm Warnings in Maine, 2014Every severe thunderstorm warning in 2014

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.