Alert archive / Maine / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 11, NWS Caribou, ME

August 3, 2004Penobscot County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Aug 3, 2004, 5:20 PM EDT for Penobscot 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
Aug 3, 2004, 5:20 PM EDT (21:20 UTC)
Expired
Aug 3, 2004, 6:00 PM EDT
In force
40 min
Issued by
NWS Caribou, ME
Area
Whole counties

County Penobscot County, ME

The radar

The Caribou radar (KCBW), 97 km from the middle of the area, began a volume at 21:22 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

Caribou, ME (KCAR), launched 12:00Z, 9.3 hours before the alert went out and 171 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, Caribou, ME at 12:00Z on 2004-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 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, Caribou, ME at 12:00Z on 2004-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
150 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Caribou, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 3, 3:30 PM EDT, 1 hour 50 minutes earlier.

Area forecast discussion, Aug 3, 3:30 PM EDT, 1 hour 50 minutes before
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Hazardous weather outlook, Aug 3, 5:07 AM EDT, 12 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CARIBOU ME
507 AM EDT TUE AUG 3 2004

MEZ001>006-010-011-015>017-029>032-030906-
CENTRAL PENOBSCOT ME-CENTRAL PISCATAQUIS ME-CENTRAL WASHINGTON ME-
COASTAL HANCOCK ME-COASTAL WASHINGTON ME-INTERIOR HANCOCK ME-
NORTHEAST AROOSTOOK ME-NORTHERN PENOBSCOT ME-NORTHERN PISCATAQUIS ME-
NORTHERN SOMERSET ME-NORTHERN WASHINGTON ME-NORTHWEST AROOSTOOK ME-
SOUTHEAST AROOSTOOK ME-SOUTHERN PENOBSCOT ME-SOUTHERN PISCATAQUIS ME-
INCLUDING THE CITIES OF...ALLAGASH...BANGOR...BAR HARBOR...
BAXTER ST PARK...BLUE HILL...BROWNVILLE JUNCTION...CARIBOU...
CHERRYFIELD...CLAYTON LAKE...DANFORTH...DEBOULLIE MOUNTAIN...
DEXTER...DOVER-FOXCROFT...EAGLE LAKE...EASTPORT...ELLSWORTH...
ESTCOURT STATION...FORT FAIRFIELD...FORT KENT...GREENVILLE...
GUILFORD...HOULTON...HOWLAND...LIMESTONE...LINCOLN...MACHIAS...
MADAWASKA...MILLINOCKET...MOUNT KATAHDIN...NEWPORT...OLD TOWN...
PATTEN...PORTAGE...PRESQUE ISLE...RIPOGENUS...SAINT PAMPHILE...
VAN BUREN AND VANCEBORO
507 AM EDT TUE AUG 3 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN AND EASTERN MAINE.

.DAY ONE...TODAY

A COLD FRONT WILL APPROACH FROM THE NORTHWEST TODAY. AHEAD OF THE
FRONT...SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE REGION THIS
AFTERNOON. SOME STORMS MAY CONTAIN GUSTY WINDS...DANGEROUS LIGHTNING
AND HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

CALDERON

In the hours before

Special weather statement, Aug 3, 2:40 PM EDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
240 PM EDT TUE AUG 3 2004

MEZ002-004>006-011-031-032000-
PISCATAQUIS...PENOBSCOT AND AROOSTOOK COUNTIES...
245 PM EDT TUE AUG 3 2004

...THE NATIONAL WEATHER SERVICE OFFICE IN CARIBOU HAS ISSUED SPECIAL
WEATHER INFORMATION FOR PERSONS IN...PISCATAQUIS...PENOBSCOT AND
AROOSTOOK COUNTIES...

AT 240 PM EDT...DOPPLER WEATHER RADAR INDICATED SEVERAL CLUSTERS OF
THUNDERSTORMS...ONE AREA NEAR BAXTER ST PARK...THE OTHER AREA
EXTENDING FROM SMYRNA MILLS THROUGH MILLINOCKET. THE STORMS WERE
MOVING NORTHEAST AT 40 MPH.

LOCATIONS LIKELY TO BE AFFECTED THROUGH 400 PM EDT INCLUDE...
    SHERMAN...            MOOSEHORN CROSSING...
    SHIN POND...          PATTEN...             SHERMAN STATION...
    WYTOPITLOCK...        ISLAND FALLS...       OXBOW...
    HAYNESVILLE...

THESE STORMS HAVE THE POTENTIAL TO PRODUCE...
    HAIL...THE SIZE OF PEAS...
    GUSTY WINDS...UP TO 405 MILES AN HOUR...
    HEAVY RAINFALL...WITH SOME PONDING IN LOW LYING AREAS...

REMEMBER ALL THUNDERSTORMS PRODUCE LIGHTNING...SO MOVE TO A PLACE OF
SAFETY UNTIL THE STORMS PASS BY.

IF THREATENING SKIES APPROACH YOUR AREA...TAKE COVER IN A SHELTER OR
BUILDING. STRONG THUNDERSTORMS CAN QUICKLY BECOME SEVERE...PRODUCING
DESTRUCTIVE HAIL...DAMAGING WINDS...DEADLY LIGHTNING...AND VERY HEAVY
RAIN.

REPORT WEATHER RELATED DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN CARIBOU.

LAT...LON 4618 6921 4541 6891 4568 6780 4671 6782

STUREY

NNNN
Special weather statement, Aug 3, 2:40 PM EDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CARIBOU ME
240 PM EDT TUE AUG 3 2004

MEZ002-004>006-011-031-032000-
PISCATAQUIS...PENOBSCOT AND AROOSTOOK COUNTIES...
245 PM EDT TUE AUG 3 2004

...THE NATIONAL WEATHER SERVICE OFFICE IN CARIBOU HAS ISSUED SPECIAL
WEATHER INFORMATION FOR PERSONS IN...PISCATAQUIS...PENOBSCOT AND
AROOSTOOK COUNTIES...

AT 240 PM EDT...DOPPLER WEATHER RADAR INDICATED SEVERAL CLUSTERS OF
THUNDERSTORMS...ONE AREA NEAR BAXTER ST PARK...THE OTHER AREA
EXTENDING FROM SMYRNA MILLS THROUGH MILLINOCKET. THE STORMS WERE
MOVING NORTHEAST AT 40 MPH.

LOCATIONS LIKELY TO BE AFFECTED THROUGH 400 PM EDT INCLUDE...
    SHERMAN...            MOOSEHORN CROSSING...
    SHIN POND...          PATTEN...             SHERMAN STATION...
    WYTOPITLOCK...        ISLAND FALLS...       OXBOW...
    HAYNESVILLE...

THESE STORMS HAVE THE POTENTIAL TO PRODUCE...
    HAIL...THE SIZE OF PEAS...
    GUSTY WINDS...UP TO 40 MILES AN HOUR...
    HEAVY RAINFALL...WITH SOME PONDING IN LOW LYING AREAS...

REMEMBER ALL THUNDERSTORMS PRODUCE LIGHTNING...SO MOVE TO A PLACE OF
SAFETY UNTIL THE STORMS PASS BY.

IF THREATENING SKIES APPROACH YOUR AREA...TAKE COVER IN A SHELTER OR
BUILDING. STRONG THUNDERSTORMS CAN QUICKLY BECOME SEVERE...PRODUCING
DESTRUCTIVE HAIL...DAMAGING WINDS...DEADLY LIGHTNING...AND VERY HEAVY
RAIN.

REPORT WEATHER RELATED DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN CARIBOU.

LAT...LON 4618 6921 4541 6891 4568 6780 4671 6782

STUREY

NNNN
Special weather statement, Aug 3, 3:25 PM EDT, 1 hour 55 minutes before
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Special weather statement, Aug 3, 3:56 PM EDT, 1 hour 24 minutes before
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Special weather statement, Aug 3, 4:32 PM EDT, 48 minutes before
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Special weather statement, Aug 3, 4:49 PM EDT, 31 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 2:55 PM EDTFlash Flood WarningCARAroostook30 min

Nearby

Severe Thunderstorm Warnings in Maine, 2004Every severe thunderstorm warning in 2004

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.