Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 138, NWS Tallahassee, FL

May 21, 2012Randolph County, Terrell County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at May 21, 2012, 5:21 PM EDT for Randolph County, Terrell County, Georgia. It was in force for 11 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, 5:21 PM EDT (21:21 UTC)
Expired: May 21, 2012, 5:32 PM EDT
In force: 11 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Randolph County, GA, Terrell County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.4 hours before the alert went out and 160 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.

811 
WUUS52 KTAE 212121
SVRTAE
GAC243-273-212200-
/O.NEW.KTAE.SV.W.0138.120521T2121Z-120521T2200Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN RANDOLPH COUNTY IN SOUTHWEST GEORGIA...  
  WESTERN TERRELL COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 600 PM EDT

* AT 517 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM
  WAS LOCATED 7 MILES NORTHWEST OF GRAVES...OR NEAR BROOKSVILLE...AND
  MOVING SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTIES.

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 3186 8448 3175 8453 3178 8460 3182 8462
      3189 8460
TIME...MOT...LOC 2120Z 300DEG 8KT 3184 8460

$$

17-GOULD

1 follow-up statement

461 
WWUS52 KTAE 212132
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
532 PM EDT MON MAY 21 2012

GAC243-273-212141-
/O.CAN.KTAE.SV.W.0138.000000T0000Z-120521T2200Z/
TERRELL GA-RANDOLPH GA-
532 PM EDT MON MAY 21 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN RANDOLPH AND WESTERN  
TERRELL COUNTIES IS CANCELLED...

THE STORM WHICH WAS LIKELY PRODUCING LARGE HAIL HAS WEAKENED 
SIGNIFICANTLY AND IS NO LONGER SEVERE.

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 3186 8448 3175 8453 3178 8460 3182 8462
      3189 8460
TIME...MOT...LOC 2131Z 300DEG 8KT 3183 8458

$$

17-GOULD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 2:51 PM EDT	Severe Thunderstorm Warning	TAE	Early	24 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.