Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 135, NWS Tallahassee, FL

May 21, 2012Early County, Georgia; Henry County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at May 21, 2012, 2:51 PM EDT for Early County, Georgia; Henry County, Alabama. It was in force for 24 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: May 21, 2012, 2:51 PM EDT (18:51 UTC)
Expired: May 21, 2012, 3:15 PM EDT
In force: 24 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Henry County, AL, Early County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2759 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 58 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.

261 
WUUS52 KTAE 211851
SVRTAE
ALC067-GAC099-211915-
/O.NEW.KTAE.SV.W.0135.120521T1851Z-120521T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
151 PM CDT MON MAY 21 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 215 PM CDT/315 PM EDT/

* AT 149 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 15 MILES
  NORTHWEST OF BLAKELY...OR NEAR HARDWICKBURG...AND MOVING SOUTHEAST
  AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MILLER...BARNES...HAYES AND HALEBURG.

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 3154 8504 3152 8505 3152 8503 3149 8503
      3149 8499 3137 8487 3133 8514 3153 8525
      3158 8510
TIME...MOT...LOC 1851Z 315DEG 20KT 3150 8513

$$

38-GODSEY

1 follow-up statement

957 
WWUS52 KTAE 211916
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
216 PM CDT MON MAY 21 2012

ALC067-GAC099-211926-
/O.EXP.KTAE.SV.W.0135.000000T0000Z-120521T1915Z/
EARLY GA-HENRY AL-
216 PM CDT MON MAY 21 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HENRY AND
NORTHWESTERN EARLY COUNTIES HAS EXPIRED...

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 3154 8504 3152 8505 3152 8503 3149 8503
      3149 8499 3137 8487 3133 8514 3153 8525
      3158 8510
TIME...MOT...LOC 1851Z 315DEG 20KT 3150 8513

$$

44-LERICOS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 5:21 PM EDT	Severe Thunderstorm Warning	TAE	Randolph, Terrell	11 min
May 21, 2:15 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry, Houston	12 min
May 21, 2:19 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry	26 min
May 21, 2:58 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry	32 min
May 21, 3:29 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry	31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Severe Thunderstorm Warnings in Alabama, 2012 Every 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.