Alert archive / Maine / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 40, NWS Gray, ME

August 8, 2001Franklin County, Somerset County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Aug 8, 2001, 8:15 PM EDT for Franklin County, Somerset County, Maine. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 8, 2001, 8:15 PM EDT (00:15 UTC)
Expired
Aug 8, 2001, 8:45 PM EDT
In force
30 min
Issued by
NWS Gray, ME
Area
Whole counties

Counties Franklin County, ME, Somerset County, ME

The radar

The Portland,ME radar (KGYX), 150 km from the middle of the area, began a volume at 00:15 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.

What was reported inside it

TimeReportWhereRemark
Aug 8, 8:15 PM EDTThunderstorm Wind 50 EKingfield, ME
Aug 8, 8:38 PM EDTThunderstorm Wind 50 EEmbden, ME

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 0.3 hours before the alert went out and 151 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 00:00Z on 2001-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 738 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 00:00Z on 2001-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
738 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1478 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 8, 3:20 PM EDT, 4 hours 55 minutes earlier.

Area forecast discussion, Aug 8, 3:20 PM EDT, 4 hours 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
320 PM EDT WED AUG 8 2001

RECORD HIGH POSSIBLE AT PWM /94/ AND CON /97/ THURS. TEMPS AT 85H A
BIT WARMER TMRW THAN ON TUE. NOT AS HOT ON FRI. COOLER WEEKEND.

TONIGHT AN MCS NOW MOVING OVER LAKE HURON WILL LIKELY MOVE THRU
CENTRAL AND NRN ZONES AFTER MIDNIGHT. THIS SYSTEM SHOWS UP WELL ON
MODELS. THIS ON THE LEADING EDGE OF THE VERY WARM AIR. ACTIVITY WILL
PROB WEAKEN BUT HAVE GONE WITH A 50 POP IN MTNS AND 30 POP IN
CENTRAL AND E ZONES.

THURS HOT AND HUMID WITH 40 POP MTNS AND 30 POP CENTRAL AND E ZNS
CLOSER TO BOUNDARY. NO POP SW ZONES...HOWEVER BUFKIT DATA SHOWING IT
TO BE QUITE UNSTABLE BUT WITH WARM AIR AT MID LEVELS ONLY ISOLATED
TSRA ACTIVITY EXPC SIMILAR TO YEST.

THURS NIGHT VERY WARM AND MUGGY NIGHT WITH LOWS IN SRN ZONES STAYING
ABV 70.

FRI TRANSITION DAY AS FRONT MOVES THRU LATE IN DAY. MAY BE TOO LOW
WITH TEMPS FOR FRI. THINKING IS MORE CLDS FOR FRI HOLDING TEMPS
DOWN.

WEEKEND LOOKS GOOD WITH FRONT DRAPED ACROSS SRN NEW ENGLAND AND
STATIONARY. WILL HAVE TO SEE EXACTLY WHERE FRONT STALLS COULD BE FLY
IN THE OINTMENT FOR COMPLETELY SUNNY WEEKEND.

MARINE...SEA BREEZE BLEW IN TDY WITH WINDS ALONG CST FROM E AND SE.
WINDS SHOULD VEER TO SW LATER TNT AND REMAIN SW THRU FRI.

.GYX...
ME...NONE.
NH...NONE.

TFH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 9:20 PM EDTSevere Thunderstorm WarningGYXKennebec, Somerset, Waldo25 min
Aug 8, 11:30 PM EDTSevere Thunderstorm WarningGYXKennebec, Somerset45 min

Nearby

Severe Thunderstorm Warnings in Maine, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.