Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 1, NWS Tallahassee, FL

March 9, 2011Coffee County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 9, 2011, 9:44 AM CST for Coffee County, Alabama. It was in force for 31 min. 2 reports 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
Mar 9, 2011, 9:44 AM CST (15:44 UTC)
Expired
Mar 9, 2011, 10:15 AM CST
In force
31 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Coffee County, AL

What was reported inside it

TimeReportWhereRemark
Mar 9, 9:50 AM CSTTSTM WND DMG3 Ne Jack, ALROOF DAMAGE AND TREES DOWN IN COMMUNITY OF PERDUE.
Mar 9, 9:59 AM CSTTSTM WND DMGBluff Spring, ALTREES DOWN IN NORTHWEST COFFEE COUNTY.

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

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

Birmingham, AL (KBMX), launched 12:00Z, 3.7 hours before the alert went out and 193 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, Birmingham, AL 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, Birmingham, AL at 12:00Z on 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 743 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
743 m²/s²
0-3 km storm-relative helicity
1250 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.

436 
WFUS52 KTAE 091544
TORTAE
ALC031-091615-
/O.NEW.KTAE.TO.W.0001.110309T1544Z-110309T1615Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN COFFEE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1015 AM CST

* AT 942 AM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE NEAR PINE LEVEL...OR 15 MILES SOUTHEAST OF
  LUVERNE...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  NEWBY...ZOAR...LEE...BLUFF SPRING...WISE MILL...CAMP HUMMING
  HILLS...JACK...WOODLAND GROVE CHURCH...ARCUS...LOWRY MILL...
  WILKINSTOWN...MIXONS CROSSROADS...VICTORIA...CHESTNUT GROVE...
  TABERNACLE...EANON...NEW HOPE...CLOWERS CROSSROADS...FRISCO...JAVA
  AND ROETON

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 3154 8619 3154 8616 3162 8615 3164 8608
      3163 8581 3162 8580 3144 8581 3142 8620
      3153 8620
TIME...MOT...LOC 1544Z 257DEG 30KT 3152 8615

$$

25-CAMP
1 follow-up statement
498 
WWUS52 KTAE 091600
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1000 AM CST WED MAR 9 2011

ALC031-091615-
/O.CON.KTAE.TO.W.0001.000000T0000Z-110309T1615Z/
COFFEE AL-
1000 AM CST WED MAR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CST FOR NORTHERN
COFFEE COUNTY...

AT 1000 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CAMP HUMMING
HILLS...OR 22 MILES NORTHWEST OF LOWE ARMY HELIPORT...MOVING EAST AT
35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JACK...
WILKINSTOWN...LOWRY MILL...ARCUS...WOODLAND GROVE CHURCH...MIXONS
CROSSROADS...VICTORIA...CHESTNUT GROVE...TABERNACLE...CLOWERS
CROSSROADS...NEW HOPE...EANON...JAVA...FRISCO AND ROETON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

&&

LAT...LON 3143 8610 3149 8608 3151 8607 3153 8607
      3156 8604 3162 8605 3163 8581 3162 8580
      3144 8581
TIME...MOT...LOC 1600Z 265DEG 29KT 3148 8600

$$

The office that day

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

IssuedProductOfficeCountiesLasted
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, 10:47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.