Alert archive / Maine / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Caribou, ME

June 27, 2007Penobscot County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jun 27, 2007, 5:54 PM EDT for Penobscot County, Maine. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 27, 2007, 5:54 PM EDT (21:54 UTC)
Expired
Jun 27, 2007, 6:30 PM EDT
In force
36 min
Issued by
NWS Caribou, ME
Area
Counties, with a storm outline in the text

County Penobscot County, ME

The radar

The Caribou radar (KCBW), 152 km from the middle of the area, began a volume at 21:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:42 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 9.9 hours before the alert went out and 163 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 2007-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 273 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2007-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
273 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1721 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KCAR 272154
SVRCAR
MEC019-272230-
/O.NEW.KCAR.SV.W.0021.070627T2154Z-070627T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
554 PM EDT WED JUN 27 2007

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL PENOBSCOT COUNTY IN EAST CENTRAL MAINE...
  THIS INCLUDES THE CITY OF BANGOR...

* UNTIL 630 PM EDT

* AT 550 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BREWER...OR ABOUT NEAR BANGOR...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLIFTON BY 600 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR MAINE.

LAT...LON 4486 6881 4472 6881 4477 6846 4488 6848

$$

FITZSIMMONS
2 follow-up statements
000 
WWUS51 KCAR 272210
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
610 PM EDT WED JUN 27 2007

MEC019-272230-
/O.CON.KCAR.SV.W.0021.000000T0000Z-070627T2230Z/
PENOBSCOT ME-
610 PM EDT WED JUN 27 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL PENOBSCOT COUNTY...

AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CLIFTON...OR ABOUT 8 MILES EAST OF BANGOR...MOVING EAST
AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLIFTON BY 620 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR MAINE.

LAT...LON 4487 6865 4474 6867 4477 6846 4488 6848

$$

FITZSIMMONS
000 
WWUS51 KCAR 272225
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
625 PM EDT WED JUN 27 2007

MEC019-272235-
/O.EXP.KCAR.SV.W.0021.000000T0000Z-070627T2230Z/
PENOBSCOT ME-
625 PM EDT WED JUN 27 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PENOBSCOT COUNTY
EXPIRES AT 630 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR MAINE.

LAT...LON 4487 6865 4474 6867 4477 6846 4488 6848

$$

FITZSIMMONS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:42 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot48 min
Jun 27, 3:30 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot, Washington60 min
Jun 27, 3:48 PM EDTSevere Thunderstorm WarningCARPenobscot42 min
Jun 27, 4:25 PM EDTSevere Thunderstorm WarningCARHancock, Washington65 min
Jun 27, 4:34 PM EDTSevere Thunderstorm WarningCARPenobscot26 min
Jun 27, 4:37 PM EDTSpecial Marine WarningCAR65 min
Jun 27, 5:11 PM EDTSevere Thunderstorm WarningCARHancock, Penobscot34 min
Jun 27, 5:48 PM EDTSevere Thunderstorm WarningCARHancock, Washington57 min
Jun 27, 6:31 PM EDTSevere Thunderstorm WarningCARPiscataquis, Somerset44 min
Jun 27, 7:36 PM EDTSevere Thunderstorm WarningCARSomerset39 min

Nearby

Severe Thunderstorm Warnings in Maine, 2007Every severe thunderstorm warning in 2007

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.