Alert archive / Maine / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Caribou, ME

June 26, 2009Aroostook County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jun 26, 2009, 11:09 AM EDT for Aroostook County, Maine. It was in force for 87 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 26, 2009, 11:09 AM EDT (15:09 UTC)
Expired
Jun 26, 2009, 12:36 PM EDT
In force
87 min
Issued by
NWS Caribou, ME
Area
Storm-based polygon

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 154 km from the middle of the area, began a volume at 15:12 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, 3.2 hours before the alert went out and 108 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 2009-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 2009-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
82 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
37 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 261509
SVRCAR
MEC003-261645-
/O.NEW.KCAR.SV.W.0021.090626T1509Z-090626T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
1109 AM EDT FRI JUN 26 2009

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL AROOSTOOK COUNTY IN NORTHERN MAINE...
  THIS INCLUDES THE CITIES OF...SAINT PAMPHILE...CLAYTON LAKE...

* UNTIL 1245 PM EDT

* AT 1108 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  NINE-MILE BRIDGE...OR 12 MILES SOUTH OF SAINT PAMPHILE...AND MOVING
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT SEVERE WEATHER BY CONTACTING YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE.

&&

LAT...LON 4675 6899 4657 6961 4681 6988 4716 6954
      4721 6948
TIME...MOT...LOC 1509Z 233DEG 16KT 4675 6971

$$

MIGNONE
1 follow-up statement
000 
WWUS51 KCAR 261636
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
1236 PM EDT FRI JUN 26 2009

MEC003-261645-
/O.CAN.KCAR.SV.W.0021.000000T0000Z-090626T1645Z/
AROOSTOOK ME-
1236 PM EDT FRI JUN 26 2009

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL AROOSTOOK COUNTY
IS CANCELLED...

PLEASE REPORT SEVERE WEATHER BY CONTACTING YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR NORTHERN MAINE.

LAT...LON 4675 6899 4657 6961 4681 6988 4716 6954
      4721 6948
TIME...MOT...LOC 1635Z 233DEG 16KT 4698 6926

$$

MIGNONE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:18 PM EDTDense Fog AdvisoryCARHancock, Penobscot, Washington12 hr
Jun 26, 9:41 AM EDTSevere Thunderstorm WarningCARSomerset64 min
Jun 26, 10:44 AM EDTSevere Thunderstorm WarningCARAroostook, Piscataquis, Somerset72 min
Jun 26, 11:54 AM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Piscataquis96 min
Jun 26, 1:01 PM EDTSevere Thunderstorm WarningCARAroostook59 min
Jun 26, 1:13 PM EDTSevere Thunderstorm WarningCARAroostook32 min
Jun 26, 1:30 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot90 min
Jun 26, 1:34 PM EDTSevere Thunderstorm WarningCARPiscataquis86 min
Jun 26, 1:44 PM EDTSevere Thunderstorm WarningCARAroostook76 min
Jun 26, 1:58 PM EDTSevere Thunderstorm WarningCARAroostook92 min
Jun 26, 2:30 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis45 min
Jun 26, 3:15 PM EDTTornado WarningCARAroostook25 min
Jun 26, 3:18 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis57 min
Jun 26, 3:38 PM EDTFlash Flood WarningCARPenobscot92 min
Jun 26, 3:50 PM EDTFlash Flood WarningCARAroostook71 min
Jun 26, 4:18 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis57 min
Jun 26, 4:28 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot62 min
Jun 26, 4:29 PM EDTFlash Flood WarningCARPiscataquis56 min
Jun 26, 5:18 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis42 min
Jun 26, 5:57 PM EDTFlash Flood WarningCARAroostook, Penobscot3 hr

Nearby

Severe Thunderstorm Warnings in Maine, 2009Every severe thunderstorm warning in 2009

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.