Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 82, NWS Gray, ME

June 27, 2008Grafton County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jun 27, 2008, 2:06 PM EDT for Grafton County, New Hampshire. It was in force for 54 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 27, 2008, 2:06 PM EDT (18:06 UTC)
Expired
Jun 27, 2008, 3:00 PM EDT
In force
54 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

County Grafton County, NH

The radar

The Burlington radar (KCXX), 125 km from the middle of the area, began a volume at 18:07 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, 6.1 hours before the alert went out and 125 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 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939587897Sfc1 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
83 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
59 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 27, 9:32 AM EDT, 4 hours 34 minutes earlier.

Area forecast discussion, Jun 27, 9:32 AM EDT, 4 hours 34 minutes before
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Hazardous weather outlook, Jun 27, 9:55 AM EDT, 4 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
955 AM EDT FRI JUN 27 2008

MEZ007>009-012>014-018>028-NHZ001>010-013-014-281400-
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-
955 AM EDT FRI JUN 27 2008

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

.DAY ONE...TODAY AND TONIGHT

CHANCE OF SHOWERS AND THUNDERSTORMS TODAY.  SOME THUNDERSTORMS MAY
CONTAIN GUSTY WINDS AND SMALL HAIL. IN ADDITION...SOME OF THE
THUNDERSTORMS MAY PRODUCE VERY HEAVY RAIN...WHICH COULD LEAD TO
LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

ANZ150>154-281400-
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-
955 AM EDT FRI JUN 27 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...SATURDAY THROUGH THURSDAY

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, Jun 27, 1:29 PM EDT, 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
129 PM EDT FRI JUN 27 2008

MEZ012-NHZ006-271815-
SOUTHERN CARROLL-SOUTHERN OXFORD-
129 PM EDT FRI JUN 27 2008

...STRONG THUNDERSTORMS WILL IMPACT OXFORD COUNTY AND CARROLL COUNTY
THROUGH 215 PM EDT...

AT 129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 6 MILES NORTHWEST OF FREEDOM...MOVING
EAST AT 16 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND
AROUND FREEDOM...BROWNFIELD...KEZAR FALLS AND HIRAM THROUGH 215 PM
EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS AND GUSTY
WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...AS MUCH AS AN
INCH OF RAIN MAY FALL IN LESS THAN 30 MINUTES...RESULTING IN
LOCALIZED STREET FLOODING.

HAYES
Special weather statement, Jun 27, 1:33 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
133 PM EDT FRI JUN 27 2008

MEZ013-014-021-271830-
KENNEBEC-SOUTHERN FRANKLIN-SOUTHERN SOMERSET-
133 PM EDT FRI JUN 27 2008

...STRONG THUNDERSTORMS WILL IMPACT KENNEBEC COUNTY...SOMERSET COUNTY
AND FRANKLIN COUNTY THROUGH 230 PM EDT...

AT 133 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 3 MILES NORTHWEST OF CHESTERVILLE..
MOVING EAST AT 15 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN
AND AROUND CHESTERVILLE...NEW SHARON...MOUNT VERNON...VIENNA...
ROME...SMITHFIELD...WINSLOW...WATERVILLE...VASSALBO RO AND SIDNEY
THROUGH 230 PM EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS AND GUSTY
WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...AS MUCH AS AN
INCH OF RAIN MAY FALL IN LESS THAN 30 MINUTES...RESULTING IN
LOCALIZED STREET FLOODING.

HAYES
Special weather statement, Jun 27, 1:52 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
152 PM EDT FRI JUN 27 2008

MEZ012-271845-
SOUTHERN OXFORD-
152 PM EDT FRI JUN 27 2008

...STRONG THUNDERSTORMS WILL IMPACT OXFORD COUNTY THROUGH 245 PM
EDT...

AT 152 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED ABOUT 13 MILES SOUTHWEST OF BETHEL...
MOVING EAST AT 15 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN
AND AROUND STONEHAM...WATERFORD...PARIS...WEST PARIS...SOUTH
PARIS...OXFORD...OTISFIELD...NORWAY AND GREENWOOD THROUGH 245 PM EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER AND GUSTY WINDS OF 35 TO 45 MPH
CAN BE EXPECTED. IN ADDITION...AS MUCH AS AN INCH OF RAIN MAY FALL
IN LESS THAN 30 MINUTES...RESULTING IN LOCALIZED STREET FLOODING.

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:43 PM EDTSevere Thunderstorm WarningGYXFranklin, Kennebec62 min
Jun 27, 2:18 PM EDTSevere Thunderstorm WarningGYXCumberland, Oxford57 min
Jun 27, 3:10 PM EDTSevere Thunderstorm WarningGYXCumberland65 min
Jun 27, 3:57 PM EDTSevere Thunderstorm WarningGYXCumberland, York63 min
Jun 27, 4:24 PM EDTSpecial Marine WarningGYX66 min
Jun 27, 3:57 PM EDTSevere Thunderstorm WarningGYXRockingham33 min
Jun 27, 5:16 PM EDTSevere Thunderstorm WarningGYXRockingham59 min
Jun 27, 6:30 PM EDTSevere Thunderstorm WarningGYXRockingham60 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 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.