Alert archive / Maine / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 92, NWS Gray, ME

August 5, 2005Knox County, Waldo County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Aug 5, 2005, 3:55 PM EDT for Knox County, Waldo County, Maine. It was in force for 65 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 5, 2005, 3:55 PM EDT (19:55 UTC)
Expired
Aug 5, 2005, 5:00 PM EDT
In force
65 min
Issued by
NWS Gray, ME
Area
Counties, with a storm outline in the text

Counties Knox County, ME, Waldo County, ME

The radar

The Portland,ME radar (KGYX), 100 km from the middle of the area, began a volume at 19:57 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, 7.9 hours before the alert went out and 298 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 2005-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 359 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 2005-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.1939Sfc1 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
359 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1219 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
129 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 Aug 5, 2:11 PM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 5, 2:11 PM EDT, 1 hour 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
211 PM EDT FRI AUG 5 2005

.SHORT TERM (TONIGHT THROUGH SATURDAY)...
WARM MUGGY UNSTABLE AIR ACROSS SOUTHERN SECTIONS. SHOWERS AND
THUNDERSTORMS AHEAD OF THE COLD FRONT NOW IN THE FOOTHILLS AND
WORKING THEIR WAY SOUTHEAST. SOME OF THESE THUNDERSTORMS MAY HAVE
BRIEF DOWNPOURS AND GUSTY WINDS. THE COLD FRONT WILL SWING THROUGH
THIS EVENING AND CLEAR THINGS OUT. ENOUGH LEFTOVER MOISTURE WILL
ALLOW VALLEY FOG TO DEVELOP LATER TONIGHT. HIGH PRESSURE BUILDS IN
FROM THE WEST FOR A BEAUTIFUL SATURDAY.

&&

.LONG TERM (SATURDAY NIGHT THROUGH FRIDAY)...HIGH PRES IN CONTROL
FOR SUN MOVES SE OF FA MON WHEN STEAM HEAT BEGINS TO INCREASE. GFS
SHOWS A SHORTWAVE MOVG THRU TUES WITH FAIR AMOUNT OF QPF. LOOKS
LIKE SOME OF THIS MAY BE ATTIBUTABLE TO A CONVECTIVE FEEDBACK
PROBLEM. I AM NOT GOING TO BRING POPS UP TO THE CHC CATEGORY UNTIL
WED UNTIL COLD FRONT DROPS S FROM CANADA. CURRENT INDICATIONS ARE
THE FRONT WILL NOT MAKE IT THROUGH AND WILL MOVE BACK NORTH THURS.
LOOKS LIKE A VERY STEAMY WEEK COMING UP WITH SCATTERED SHOWERS AND
TSTMS FROM WED ON.

&&

.AVIATION...
LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE SOUTH FROM THE
FOOTHILLS AND MOVE OFFSHORE THIS EVENING. CLEARING SKIES WILL
FOLLOW BUT WITH PATCHY VALLEY FOG.

&&

.MARINE...
SOUTHERLY WINDS IN THE LOWER 20 KTS AND SEAS NEAR 5 FT SO WILL
KEEP SCA AT LEAST FOR THE EVENING.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...SMALL CRAFT ADVISORY FOR ANZ150 UNTIL MIDNIGHT.
&&
Hazardous weather outlook, Aug 5, 5:05 AM EDT, 10 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
505 AM EDT FRI AUG 5 2005

ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-060904-
ANDROSCOGGIN ME-BELKNAP NH-CENTRAL SOMERSET ME-COASTAL CUMBERLAND ME-
COASTAL ROCKINGHAM NH-COASTAL WALDO ME-COASTAL YORK ME-
INTERIOR CUMBERLAND ME-INTERIOR ROCKINGHAM NH-INTERIOR WALDO ME-
INTERIOR YORK ME-KENNEBEC ME-KNOX ME-LINCOLN ME-MERRIMACK NH-
NORTHERN CARROLL NH-NORTHERN COOS NH-NORTHERN FRANKLIN ME-
NORTHERN GRAFTON NH-NORTHERN OXFORD ME-SAGADAHOC ME-
SOUTHERN CARROLL NH-SOUTHERN COOS NH-SOUTHERN FRANKLIN ME-
SOUTHERN GRAFTON NH-SOUTHERN OXFORD ME-SOUTHERN SOMERSET ME-
STRAFFORD NH-SULLIVAN NH-
COASTAL WATERS FROM STONINGTON (DEER ISLE) ME TO MERRIMACK RIVER MA
OUT 25 NM-
INCLUDING THE CITIES OF...ALFRED...AUBURN...AUGUSTA...BATH...
BELFAST...BERLIN...BETHEL...BETHLEHEM...BIDDEFORD...
BOOTHBAY HARBOR...BRIDGTON...BRUNSWICK...CAMDEN...CLAREMONT...
COBURN GORE...COLEBROOK...CONCORD...CONWAY...DAMARISCOTTA...DERRY...
DOVER...DURHAM...EUSTIS...EXETER...FAIRFIELD...FARMINGTON...
FRANKLIN...FRYEBURG...GARDINER...HAMPTON...HENNIKER...JACKMAN...
KITTERY...LACONIA...LANCASTER...LEBANON...LEWISTON...LINCOLN...
LINCOLNVILLE...LITTLETON...MECHANIC FALLS...MEREDITH...
MOULTONBOROUGH...NAPLES...NEW LONDON...NORTH WINDHAM...NORTHWOOD...
OAKLAND...OSSIPEE...PITTSFIELD...PLYMOUTH...PORTLAND...PORTSMOUTH...
RANGELEY...ROCHESTER...ROCKLAND...RUMFORD...SALEM...SANFORD...
SEARSPORT...SKOWHEGAN...SOUTH PARIS...SOUTH PORTLAND...THORNDIKE...
TOPSHAM...TURNER...WATERVILLE...WESTBROOK...WISCASSET AND WOODSVILLE
505 AM EDT FRI AUG 5 2005

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

.DAY ONE...TODAY AND TONIGHT

STRONG THUNDERSTORMS ARE POSSIBLE ACROSS SOUTHERN NEW HAMPSHIRE AND
WESTERN MAINE. SOME THUNDERSTORMS MAY CONTAIN WIND GUSTS IN EXCESS
OF 55 MPH.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

APFFEL

In the hours before

Special weather statement, Aug 5, 3:34 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
334 PM EDT FRI AUG 5 2005

MEZ021-022-052233-
INTERIOR WALDO ME-KENNEBEC ME-
INCLUDING THE CITIES OF...AUGUSTA...GARDINER...OAKLAND...
THORNDIKE AND WATERVILLE
334 PM EDT FRI AUG 5 2005

...STRONG THUNDERSTORMS WILL MOVE THROUGH EASTERN KENNEBEC AND
INTERIOR WALDO COUNTIES THROUGH 445 PM...

THUNDERSTORMS FROM WATERVILLE TO LITCHFIELD IN KENNEBEC COUNTY WILL
CONTINUE TO MOVE EAST AT 30 MPH.  THESE STORMS WILL CONTAIN WIND
GUSTS TO 45 MPH AND DOWN SMALL TREE LIMBS.  THEY WILL ENTER INTERIOR
WALDO COUNTY BY 400 PM.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.
Special weather statement, Aug 5, 3:49 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 3:47 PM EDTSevere Thunderstorm WarningGYXKennebec, Lincoln58 min

Nearby

Severe Thunderstorm Warnings in Maine, 2005Every severe thunderstorm warning in 2005

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.