Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 5, NWS Tallahassee, FL

March 9, 2011Dale County, Geneva County, Houston County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 9, 2011, 10:47 AM CST for Dale County, Geneva County, Houston County, Alabama. It was in force for 28 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, 10:47 AM CST (16:47 UTC)
Expired
Mar 9, 2011, 11:15 AM CST
In force
28 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Dale County, AL, Geneva County, AL, Houston 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, 4.8 hours before the alert went out and 167 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.

959 
WFUS52 KTAE 091647
TORTAE
ALC045-061-069-091715-
/O.NEW.KTAE.TO.W.0005.110309T1647Z-110309T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1047 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHWESTERN DALE COUNTY IN SOUTHEAST ALABAMA...
  CENTRAL GENEVA COUNTY IN SOUTHEAST ALABAMA...
  EXTREME WEST CENTRAL HOUSTON COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1115 AM CST

* AT 1048 AM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 7 MILES NORTHWEST OF HARTFORD...OR 9 MILES
  SOUTHWEST OF LOWE ARMY HELIPORT...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SLOCOMB

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 3120 8588 3120 8580 3122 8580 3122 8579
      3127 8558 3106 8554 3107 8592 3120 8592
TIME...MOT...LOC 1647Z 260DEG 40KT 3116 8580

$$
1 follow-up statement
852 
WWUS52 KTAE 091707
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1107 AM CST WED MAR 9 2011

ALC045-061-069-091717-
/O.EXP.KTAE.TO.W.0005.000000T0000Z-110309T1715Z/
GENEVA AL-HOUSTON AL-DALE AL-
1107 AM CST WED MAR 9 2011

...THE TORNADO WARNING FOR EXTREME SOUTHWESTERN DALE...EXTREME WEST
CENTRAL HOUSTON AND CENTRAL GENEVA COUNTIES WILL EXPIRE AT 1115 AM
CST...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

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

LAT...LON 3120 8588 3120 8580 3122 8580 3122 8579
      3127 8558 3106 8554 3107 8592 3120 8592
TIME...MOT...LOC 1707Z 260DEG 40KT 3118 8554

$$

25-CAMP

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, 10:11 AM CSTTornado WarningTAECoffee, Geneva34 min
Mar 9, 10:18 AM CSTTornado WarningTAEDale27 min
Mar 9, 10:37 AM CSTSevere Thunderstorm WarningTAEGeneva38 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.