Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 33, NWS Tallahassee, FL

April 28, 2011Decatur County, Georgia

NWS Tallahassee, FL issued this tornado warning at Apr 28, 2011, 6:56 AM EDT for Decatur County, Georgia. It was in force for 49 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
Apr 28, 2011, 6:56 AM EDT (10:56 UTC)
Expired
Apr 28, 2011, 7:45 AM EDT
In force
49 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Decatur County, GA

The radar

The Tallahassee radar (KTLH), 58 km from the middle of the area, began a volume at 10:57 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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.9 hours before the alert went out and 59 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 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3101 joules per kilogram.LCLEL10008507005003002001001 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 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
3101 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
1.9
Supercell composite
13.8

Open this sounding in Storm Lab

The text

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

899 
WFUS52 KTAE 281056
TORTAE
GAC087-281145-
/O.NEW.KTAE.TO.W.0033.110428T1056Z-110428T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
656 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN DECATUR COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 745 AM EDT

* AT 651 AM EDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE NEAR RECOVERY...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  FACEVILLE AND FOWLSTOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! THIS STORM HAS HAD A HISTORY OF PRODUCING TORNADOES 
IN JACKSON COUNTY FLORIDA. LEAVE MOBILE HOMES AND VEHICLES FOR SAFER 
STRUCTURES. MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY 
FROM WINDOWS AND OUTSIDE WALLS.

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.

&&

LAT...LON 3090 8449 3070 8451 3071 8482 3079 8481
      3080 8480 3080 8479 3082 8479 3084 8477
TIME...MOT...LOC 1055Z 266DEG 17KT 3077 8475

$$

38-GODSEY
1 follow-up statement
262 
WWUS52 KTAE 281120
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
720 AM EDT THU APR 28 2011

GAC087-281145-
/O.CON.KTAE.TO.W.0033.000000T0000Z-110428T1145Z/
DECATUR GA-
720 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM EDT FOR SOUTHERN
DECATUR COUNTY...

AT 714 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FACEVILLE...MOVING
EAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FOWLSTOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3071 8469 3086 8466 3090 8449 3070 8451
TIME...MOT...LOC 1119Z 266DEG 17KT 3072 8462

$$

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 5:22 AM EDTSpecial Weather StatementTAESeminole38 min
Apr 28, 5:51 AM EDTTornado WarningTAESeminole39 min
Apr 28, 6:26 AM EDTTornado WarningTAEDecatur, Seminole34 min
Apr 28, 7:06 AM EDTSpecial Weather StatementTAEColquitt, Thomas39 min
Apr 28, 7:49 AM EDTSpecial Weather StatementTAEThomas41 min
Apr 28, 7:58 AM EDTSevere Thunderstorm WarningTAEBrooks, Colquitt, Thomas47 min
Apr 28, 8:19 AM EDTSevere Thunderstorm WarningTAECalhoun, Dougherty, Lee, Terrell, Turner, Worth41 min
Apr 28, 9:13 AM EDTSevere Thunderstorm WarningTAEBrooks, Lowndes47 min
Apr 28, 9:22 AM EDTTornado WarningTAELowndes23 min
Apr 28, 9:30 AM EDTSevere Thunderstorm WarningTAEBrooks, Lowndes45 min
Apr 28, 10:14 AM EDTSevere Thunderstorm WarningTAEBrooks, Lanier, Lowndes61 min
Apr 28, 10:20 AM EDTSevere Thunderstorm WarningTAEColquitt, Cook, Grady, Mitchell, Thomas, Tift and 1 more40 min
Apr 28, 10:41 AM EDTSevere Thunderstorm WarningTAEBrooks49 min
Apr 28, 11:13 AM EDTSevere Thunderstorm WarningTAELanier, Lowndes32 min
Apr 28, 3:42 PM EDTFire Weather WatchTAEBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more12 hr

Nearby

Tornado Warnings in Georgia, 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; radar from the NEXRAD Level II archive.