Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 3, NWS Tallahassee, FL

March 9, 2011Coffee County, Geneva County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 9, 2011, 10:11 AM CST for Coffee County, Geneva County, Alabama. It was in force for 34 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
Mar 9, 2011, 10:11 AM CST (16:11 UTC)
Expired
Mar 9, 2011, 10:45 AM CST
In force
34 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Coffee County, AL, Geneva County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 9, 8:39 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.2 hours before the alert went out and 185 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, Tallahassee Rgnl, FL at 12:00Z on 2011-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
471 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.

268 
WFUS52 KTAE 091611
TORTAE
ALC031-061-091645-
/O.NEW.KTAE.TO.W.0003.110309T1611Z-110309T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1011 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN COFFEE COUNTY IN SOUTHEAST ALABAMA...
  NORTHWESTERN GENEVA COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1045 AM CST

* AT 1012 AM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 15 MILES SOUTHWEST OF ENTERPRISE...OR 23
  MILES WEST OF LOWE ARMY HELIPORT...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINEY
  GROVE...FAIRVIEW...SPEARS...MARVIN CHAPEL...DAMASCUS...GOODMAN...
  ASBURY...TURNER CROSSROADS...MOUNT PLEASANT...COFFEE SPRINGS...
  LUCILE...ENTERPRISE MUNICIPAL A/P...BATTENS CROSSROADS...
  CHANCELLOR...CENTRAL CITY...COOL SPRINGS...KEYTON AND COPPINVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES.
MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND
OUTSIDE WALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST WEDNESDAY
AFTERNOON FOR SOUTHEAST ALABAMA AND CENTRAL FLORIDA AND SOUTHWESTERN
GEORGIA.

&&

LAT...LON 3136 8580 3116 8579 3112 8619 3130 8619
TIME...MOT...LOC 1612Z 263DEG 37KT 3122 8609

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 9:44 AM CSTTornado WarningTAECoffee31 min
Mar 9, 10:05 AM CSTTornado WarningTAECoffee, Dale25 min
Mar 9, 10:18 AM CSTTornado WarningTAEDale27 min
Mar 9, 10:37 AM CSTSevere Thunderstorm WarningTAEGeneva38 min
Mar 9, 10:47 AM CSTTornado WarningTAEDale, Geneva, Houston28 min
Mar 9, 10:48 AM CSTSevere Thunderstorm WarningTAEDale, Henry42 min
Mar 9, 11:11 AM CSTTornado WarningTAEHenry15 min

Nearby

Tornado Warnings in Alabama, 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; the sounding from the Mesonet's radiosonde archive.