Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 28, NWS Tallahassee, FL

April 16, 2011Coffee County, Alabama

NWS Tallahassee, FL issued this tornado warning at Apr 16, 2011, 12:54 AM CDT for Coffee County, Alabama. It was in force for 51 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
Apr 16, 2011, 12:54 AM CDT (05:54 UTC)
Expired
Apr 16, 2011, 1:45 AM CDT
In force
51 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Coffee County, AL

What was reported inside it

TimeReportWhereRemark
Apr 16, 1:20 AM CDTHAIL 0.884 E Opp, ALNICKEL SIZED HAIL REPORTED 4 MILES EAST OF OPP...BY HAM OPERATOR.

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
Apr 15, 7:48 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.9 hours before the alert went out and 197 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 00:00Z on 2011-04-16Temperature 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 00:00Z on 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 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
1577 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
78 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.

742 
WFUS52 KTAE 160554
TORTAE
ALC031-160645-
/O.NEW.KTAE.TO.W.0028.110416T0554Z-110416T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1254 AM CDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 145 AM CDT

* AT 1251 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 31 MILES WEST OF ENTERPRISE...OR NEAR
  SANFORD...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  KINSTON...RHOADES...BROOKLYN...PERRY STORE...PINE LEVEL...DANLEYS
  CROSSROADS...ALBERTON...CURTIS...HOLLEY STORE...BASIN...INO...     
  FAIRVIEW...NEW HAVEN...CARL FOLSOM A/P...ELBA.

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 FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

&&

LAT...LON 3150 8620 3159 8579 3120 8579 3119 8612
      3118 8612 3119 8613 3119 8620
TIME...MOT...LOC 0553Z 257DEG 36KT 3131 8636

$$

42-DVD
2 follow-up statements
611 
WWUS52 KTAE 160611
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
111 AM CDT SAT APR 16 2011

ALC031-160645-
/O.CON.KTAE.TO.W.0028.000000T0000Z-110416T0645Z/
COFFEE AL-
111 AM CDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR COFFEE
COUNTY...

AT 108 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED NEAR PERRY 
STORE...MOVING EAST AT 40 MPH. QUARTER SIZED HAIL WAS REPORTED IN 
ANDALUSIA IN COVINGTON COUNTY AT 1248 AM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINE
LEVEL...DANLEYS CROSSROADS...ALBERTON...CURTIS...HOLLEY STORE...
BASIN...INO...FAIRVIEW...NEW HAVEN...CARL FOLSOM A/P...ELBA...LEE...
MARVIN CHAPEL...GOODMAN...DAMASCUS...ASBURY...WISE MILL...TURNER 
CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING 
FOR SOUTHEAST ALABAMA AND WESTERN FLORIDA.

&&

LAT...LON 3150 8620 3159 8579 3120 8579 3119 8612
      3118 8612 3119 8613 3119 8620
TIME...MOT...LOC 0610Z 257DEG 36KT 3129 8616

$$

42-DVD
810 
WWUS52 KTAE 160623
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
123 AM CDT SAT APR 16 2011

ALC031-160645-
/O.CON.KTAE.TO.W.0028.000000T0000Z-110416T0645Z/
COFFEE AL-
123 AM CDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR COFFEE
COUNTY...

AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED NEAR NEW 
HAVEN...MOVING EAST AT 40 MPH. THIS STORM HAS A HISTORY OF PRODUCING 
WIND DAMAGE AND QUARTER SIZED HAIL IN ANDALUSIA IN COVINGTON COUNTY.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARVIN
CHAPEL...GOODMAN...DAMASCUS...ASBURY...WISE MILL...TURNER 
CROSSROADS...CAMP HUMMING HILLS...MOUNT PLEASANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING 
FOR SOUTHEAST ALABAMA AND WESTERN FLORIDA.

&&

LAT...LON 3150 8620 3156 8579 3133 8578 3131 8579
      3120 8579 3119 8612 3118 8612 3119 8613
      3119 8620
TIME...MOT...LOC 0622Z 257DEG 36KT 3134 8604

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 1:39 AM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston51 min
Apr 16, 2:12 AM CDTTornado WarningTAEDale, Henry33 min
Apr 16, 2:46 AM CDTSpecial Weather StatementTAEHouston44 min
Apr 16, 9:06 AM CDTFire Weather WatchTAECoffee, Dale, Geneva, Henry, Houston6 hr
Apr 16, 2:45 PM CDTRed Flag WarningTAECoffee, Dale, Geneva, Henry, Houston28 hr

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.