Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

March 26, 20115 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 26, 2011, 2:19 PM EDT for 5 counties in Georgia. It was in force for 41 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: Mar 26, 2011, 2:19 PM EDT (18:19 UTC)
Expired: Mar 26, 2011, 3:00 PM EDT
In force: 41 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Colquitt County, GA, Decatur County, GA, Grady County, GA, Mitchell County, GA, Thomas County, GA

The radar

The Tallahassee radar (KTLH), 83 km from the middle of the area, began a volume at 18:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 26, 1:15 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.3 hours before the alert went out and 83 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: 379 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 648 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

202 
WUUS52 KTAE 261819
SVRTAE
GAC071-087-131-205-275-261900-
/O.NEW.KTAE.SV.W.0013.110326T1819Z-110326T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
219 PM EDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHWESTERN COLQUITT COUNTY IN SOUTH CENTRAL GEORGIA...
  NORTHWESTERN THOMAS COUNTY IN SOUTH CENTRAL GEORGIA...
  NORTHEASTERN DECATUR COUNTY IN SOUTHWEST GEORGIA...
  NORTHERN GRADY COUNTY IN SOUTHWEST GEORGIA...
  SOUTHERN MITCHELL COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 300 PM EDT

* AT 212 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 18
  MILES WEST OF PELHAM...OR 57 MILES EAST OF DOTHAN...AND MOVING EAST
  AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HARRELLS STILL...BRANCHVILLE...MITCHELL CO A/P...SPENCE...
  QUALITY...HINSONTON AND COTTON.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

LAT...LON 3128 8405 3102 8399 3099 8449 3113 8449
TIME...MOT...LOC 1819Z 265DEG 21KT 3106 8441

$$

85-GIBBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 12:32 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Decatur, Early, Grady, Miller, Mitchell and 1 more	43 min
Mar 26, 1:08 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Decatur, Early, Grady, Miller, Mitchell and 1 more	52 min
Mar 26, 2:05 PM EDT	Severe Thunderstorm Warning	TAE	Grady, Thomas	40 min
Mar 26, 2:26 PM EDT	Special Weather Statement	TAE	Seminole	64 min
Mar 26, 2:48 PM EDT	Special Weather Statement	TAE	Thomas	42 min
Mar 26, 4:04 PM EDT	Special Weather Statement	TAE	Lowndes	41 min
Mar 26, 4:05 PM EDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph, Terrell	40 min
Mar 26, 4:13 PM EDT	Severe Thunderstorm Warning	TAE	Brooks, Lowndes	47 min
Mar 26, 5:42 PM EDT	Severe Thunderstorm Warning	TAE	Lee, Terrell, Turner, Worth	48 min
Mar 26, 5:48 PM EDT	Tornado Warning	TAE	Lee, Terrell, Turner, Worth	27 min
Mar 26, 6:02 PM EDT	Special Weather Statement	TAE	Quitman	28 min
Mar 26, 6:16 PM EDT	Tornado Warning	TAE	Lee, Turner, Worth	29 min
Mar 26, 6:17 PM EDT	Severe Thunderstorm Warning	TAE	Quitman	43 min
Mar 26, 6:25 PM EDT	Tornado Warning	TAE	Quitman	35 min
Mar 26, 6:36 PM EDT	Severe Thunderstorm Warning	TAE	Randolph	39 min
Mar 26, 7:10 PM EDT	Tornado Warning	TAE	Randolph, Terrell	50 min
Mar 26, 7:35 PM EDT	Tornado Warning	TAE	Terrell	40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.