Alert archive / Maine / Tornado Warnings in 2011

Tornado Warning 9, NWS Caribou, ME

July 22, 2011Aroostook County, Maine

NWS Caribou, ME issued this tornado warning at Jul 22, 2011, 7:50 PM EDT for Aroostook County, Maine. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 22, 2011, 7:50 PM EDT (23:50 UTC)
Expired
Jul 22, 2011, 8:15 PM EDT
In force
25 min
Issued by
NWS Caribou, ME
Area
Storm-based polygon

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 88 km from the middle of the area, began a volume at 23:49 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
Jul 22, 8:00 PM EDTTSTM WND DMGFort Fairfield, METREES DOWN ALL OVER TOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Caribou, ME (KCAR), launched 12:00Z, 11.8 hours before the alert went out and 13 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 2011-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Caribou, ME at 12:00Z on 2011-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.1939587897Sfc1 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
66 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

513 
WFUS51 KCAR 222350
TORCAR
MEC003-230015-
/O.NEW.KCAR.TO.W.0009.110722T2350Z-110723T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
750 PM EDT FRI JUL 22 2011

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL AROOSTOOK COUNTY IN NORTHERN MAINE...
  THIS INCLUDES THE CITIES OF...LIMESTONE...FORT FAIRFIELD...

* UNTIL 815 PM EDT

* AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FORT
  FAIRFIELD...MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  FORT FAIRFIELD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

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 4695 6777 4658 6778 4672 6802 4697 6782
TIME...MOT...LOC 2350Z 295DEG 29KT 4678 6783

$$
1 follow-up statement
979 
WWUS51 KCAR 230012
SVSCAR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
812 PM EDT FRI JUL 22 2011

MEC003-230021-
/O.EXP.KCAR.TO.W.0009.000000T0000Z-110723T0015Z/
AROOSTOOK ME-
812 PM EDT FRI JUL 22 2011

...THE TORNADO WARNING FOR EAST CENTRAL AROOSTOOK COUNTY WILL EXPIRE
AT 815 PM EDT...

DOPPLER RADAR HAS INDICATED THAT THE THUNDERSTORM PRODUCING THE TORNADO
HAS MOVED EAST INTO NEW BRUNSWICK.

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 4695 6777 4658 6778 4672 6802 4697 6782
TIME...MOT...LOC 0011Z 295DEG 29KT 4671 6761

$$

NOUHAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 3:40 AM EDTSmall Craft Advisory for Hazardous SeasCAR15 hr
Jul 22, 3:42 AM EDTHeat AdvisoryCARHancock, Penobscot, Piscataquis, Washington14 hr
Jul 22, 6:26 PM EDTSevere Thunderstorm WarningCARAroostook64 min
Jul 22, 7:22 PM EDTTornado WarningCARAroostook53 min
Jul 22, 7:26 PM EDTSevere Thunderstorm WarningCARAroostook49 min
Jul 22, 7:33 PM EDTSevere Thunderstorm WarningCARAroostook42 min
Jul 22, 7:36 PM EDTSevere Thunderstorm WarningCARAroostook39 min
Jul 22, 7:39 PM EDTFlash Flood WarningCARAroostook3 hr

Nearby

Tornado Warnings in Maine, 2011Every tornado warning in 2011Tornadoes in 2011

Sources

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