Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 321, NWS Tallahassee, FL

July 25, 2012Henry County, Alabama; Clay County, Early County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 25, 2012, 5:24 PM CDT for Henry County, Alabama; Clay County, Early County, Georgia. It was in force for 51 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
Jul 25, 2012, 5:24 PM CDT (22:24 UTC)
Expired
Jul 25, 2012, 6:15 PM CDT
In force
51 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Henry County, AL, Clay County, GA, Early County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.4 hours before the alert went out and 144 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 2012-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2761 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
2761 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
40 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.

733 
WUUS52 KTAE 252224
SVRTAE
ALC067-GAC061-099-252315-
/O.NEW.KTAE.SV.W.0321.120725T2224Z-120725T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
624 PM EDT WED JUL 25 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL HENRY COUNTY IN SOUTHEAST ALABAMA...
  SOUTHERN CLAY COUNTY IN SOUTHWEST GEORGIA...
  NORTHWESTERN EARLY COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 715 PM EDT/615 PM CDT/

* AT 623 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH.  THIS STORM WAS LOCATED 10 MILES SOUTH OF FORT GAINES...OR
  NEAR HAYES...AND MOVING WEST AT 5 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 3162 8494 3162 8483 3142 8481 3133 8525
      3162 8528 3163 8494
TIME...MOT...LOC 2225Z 074DEG 6KT 3148 8505

$$

42-DVD
1 follow-up statement
833 
WWUS52 KTAE 252248
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
648 PM EDT WED JUL 25 2012

ALC067-GAC061-099-252315-
/O.CON.KTAE.SV.W.0321.000000T0000Z-120725T2315Z/
EARLY GA-HENRY AL-CLAY GA-
648 PM EDT WED JUL 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM
EDT/615 PM CDT/ FOR SOUTHERN CLAY...CENTRAL HENRY AND NORTHWESTERN
EARLY COUNTIES...

AT 546 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR HAYES...MOVING WEST AT
5 MPH. ANOTHER STORM WAS LOCATED A FEW MILES NORTHWEST OF BLUFFTON 
AND MAY ALSO PRODUCE WIND GUSTS TO 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHORTERVILLE...BARNES...GRANDBERRY CROSSROADS...BALKUM...MILLER...
HARDWICKBURG...WILLIS CROSSROADS...TUMBLETON...HALEBURG...ABBEVILLE
MUNICIPAL A/P AND ABBEVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

&&

LAT...LON 3162 8494 3162 8483 3142 8481 3133 8525
      3162 8528 3163 8494
TIME...MOT...LOC 2248Z 075DEG 6KT 3149 8507

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 2:20 PM CDTSevere Thunderstorm WarningTAEDecatur, Grady, Thomas40 min
Jul 25, 2:42 PM CDTSevere Thunderstorm WarningTAEDecatur, Grady, Thomas63 min
Jul 25, 3:25 PM CDTSevere Thunderstorm WarningTAEDecatur35 min
Jul 25, 4:47 PM CDTSevere Thunderstorm WarningTAELowndes28 min
Jul 25, 4:59 PM CDTSevere Thunderstorm WarningTAELee, Terrell31 min
Jul 25, 5:13 PM CDTSevere Thunderstorm WarningTAELowndes32 min
Jul 25, 5:58 PM CDTSevere Thunderstorm WarningTAERandolph47 min
Jul 25, 6:34 PM CDTSevere Thunderstorm WarningTAEClay, Quitman, Randolph41 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012

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.