Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS Tallahassee, FL

March 9, 20116 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 9, 2011, 2:00 PM EST for 6 counties in Georgia. It was in force for 45 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: Mar 9, 2011, 2:00 PM EST (19:00 UTC)
Expired: Mar 9, 2011, 2:45 PM EST
In force: 45 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Ben Hill County, GA, Berrien County, GA, Irwin County, GA, Tift County, GA, Turner County, GA, Worth County, GA

What was reported inside it

Time	Report	Where	Remark
Mar 9, 2:42 PM EST	TSTM WND DMG	Fitzgerald, GA	TREES DOWN IN FITZGERALD.

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.

Issued	Product	Office	Lasted
Mar 9, 9:39 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.0 hours before the alert went out and 164 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: 611 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 348 m²/s²
0-3 km storm-relative helicity: 471 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.

524 
WUUS52 KTAE 091900
SVRTAE
GAC017-019-155-277-287-321-091945-
/O.NEW.KTAE.SV.W.0009.110309T1900Z-110309T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
200 PM EST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BEN HILL COUNTY IN SOUTH CENTRAL GEORGIA...
  NORTHWESTERN BERRIEN COUNTY IN SOUTH CENTRAL GEORGIA...
  IRWIN COUNTY IN SOUTH CENTRAL GEORGIA...
  TIFT COUNTY IN SOUTH CENTRAL GEORGIA...
  TURNER COUNTY IN SOUTH CENTRAL GEORGIA...
  EASTERN WORTH COUNTY IN SOUTH CENTRAL GEORGIA...

* UNTIL 245 PM EST

* AT 154 PM EST...THE NATIONAL WEATHER SERVICE HAS DETECTED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  20 MILES NORTHWEST OF ASHBURN TO 10 MILES WEST OF ASHBURN TO 20    
  MILES SOUTHWEST OF SYLVESTER...AND MOVING EAST AT 35 MPH. THESE    
  STORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  POULAN...TY TY...PHILLIPSBURG...TIFTON...UNIONVILLE...OCILLA...
  MYSTIC...FITZGERALD...ENIGMA AND ALAPAHA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EST WEDNESDAY
AFTERNOON FOR NORTHWEST FLORIDA AND SOUTHWESTERN GEORGIA.

&&

LAT...LON 3134 8315 3144 8391 3184 8390 3184 8386
      3182 8384 3181 8380 3181 8362 3186 8360
      3186 8355 3185 8353 3184 8324 3185 8318
TIME...MOT...LOC 1857Z 271DEG 31KT 3200 8378 3175 8375
          3135 8404

$$
14-MROCZKA

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 12:04 PM EST	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Early, Quitman, Randolph	41 min
Mar 9, 12:11 PM EST	Tornado Warning	TAE	Clay	15 min
Mar 9, 12:43 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Dougherty, Early, Lee, Randolph and 1 more	47 min
Mar 9, 1:17 PM EST	Severe Thunderstorm Warning	TAE	Dougherty, Lee, Terrell, Worth	43 min
Mar 9, 2:17 PM EST	Tornado Warning	TAE	Colquitt, Tift, Worth	28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every severe thunderstorm warning 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.