Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 299, NWS Atlanta, GA

July 27, 2012Crisp County, Wilcox County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 27, 2012, 4:36 AM EDT for Crisp County, Wilcox County, Georgia. It was in force for 54 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 27, 2012, 4:36 AM EDT (08:36 UTC)
Expired: Jul 27, 2012, 5:30 AM EDT
In force: 54 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Crisp County, GA, Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 90 km from the middle of the area, began a volume at 08:37 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.6 hours before the alert went out and 180 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: 194 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 26 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.

241 
WUUS52 KFFC 270836
SVRFFC
GAC081-315-270930-
/O.NEW.KFFC.SV.W.0299.120727T0836Z-120727T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
436 AM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CRISP COUNTY IN CENTRAL GEORGIA
  WILCOX COUNTY IN CENTRAL GEORGIA

* UNTIL 530 AM EDT

* AT 429 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  SOUTHWEST OF PITTS...MOVING NORTHEAST AT 15 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3194 8374 3211 8341 3185 8320 3184 8326
      3185 8360 3181 8361 3180 8362 3180 8366
TIME...MOT...LOC 0836Z 241DEG 14KT 3188 8358

$$

2 follow-up statements

130 
WWUS52 KFFC 270854
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
454 AM EDT FRI JUL 27 2012

GAC081-270904-
/O.CAN.KFFC.SV.W.0299.000000T0000Z-120727T0930Z/
CRISP GA-
454 AM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRISP COUNTY IS
CANCELLED...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

LAT...LON 3185 8361 3188 8361 3198 8360 3211 8341
      3185 8320 3184 8326 3185 8360
TIME...MOT...LOC 0854Z 241DEG 14KT 3191 8351

$$

GAC315-270930-
/O.CON.KFFC.SV.W.0299.000000T0000Z-120727T0930Z/
WILCOX GA-
454 AM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM EDT
FOR WILCOX COUNTY...

AT 452 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
PITTS...MOVING NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
OWENSBORO...ROCHELLE...ANTIOCH CHURCH AND BROWNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3185 8361 3188 8361 3198 8360 3211 8341
      3185 8320 3184 8326 3185 8360
TIME...MOT...LOC 0854Z 241DEG 14KT 3191 8351

$$

553 
WWUS52 KFFC 270926
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
526 AM EDT FRI JUL 27 2012

GAC315-270936-
/O.EXP.KFFC.SV.W.0299.000000T0000Z-120727T0930Z/
WILCOX GA-
526 AM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR WILCOX COUNTY EXPIRES AT 530
AM EDT...

AT 523 AM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS
STORM WAS LOCATED NEAR ANTIOCH CHURCH...MOVING NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BROWNING.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

LAT...LON 3185 8361 3188 8361 3198 8360 3211 8341
      3185 8320 3184 8326 3185 8360
TIME...MOT...LOC 0926Z 241DEG 14KT 3197 8338

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 8:08 PM EDT	Special Weather Statement	FFC	Crawford, Monroe	37 min
Jul 26, 8:15 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford	33 min
Jul 26, 10:29 PM EDT	Special Weather Statement	FFC	Bartow	31 min
Jul 27, 12:00 AM EDT	Special Weather Statement	FFC	Gordon	30 min
Jul 27, 3:53 AM EDT	Heat Advisory	FFC	Bleckley, Crisp, Dodge, Dooly, Emanuel, Houston and 13 more	15 hr
Jul 27, 4:08 AM EDT	Special Weather Statement	FFC	Crisp	52 min
Jul 27, 6:03 AM EDT	Special Weather Statement	FFC	Telfair	27 min
Jul 27, 1:19 PM EDT	Special Weather Statement	FFC	Houston, Peach	26 min
Jul 27, 1:26 PM EDT	Special Weather Statement	FFC	Jasper, Putnam	34 min
Jul 27, 1:32 PM EDT	Special Weather Statement	FFC	Sumter	28 min
Jul 27, 1:43 PM EDT	Special Weather Statement	FFC	Dooly, Houston	32 min
Jul 27, 1:52 PM EDT	Special Weather Statement	FFC	Putnam	23 min
Jul 27, 1:54 PM EDT	Special Weather Statement	FFC	Schley, Sumter	36 min
Jul 27, 2:05 PM EDT	Special Weather Statement	FFC	Treutlen	25 min
Jul 27, 2:07 PM EDT	Special Weather Statement	FFC	Dooly, Houston	23 min
Jul 27, 2:25 PM EDT	Special Weather Statement	FFC	Dooly, Houston	35 min
Jul 27, 2:47 PM EDT	Special Weather Statement	FFC	Talbot	28 min
Jul 27, 2:56 PM EDT	Special Weather Statement	FFC	Baldwin	34 min
Jul 27, 3:01 PM EDT	Special Weather Statement	FFC	Bleckley, Crisp, Dooly, Pulaski, Wilcox	29 min
Jul 27, 3:05 PM EDT	Special Weather Statement	FFC	Upson	25 min
Jul 27, 3:26 PM EDT	Special Weather Statement	FFC	Wilkinson	34 min
Jul 27, 3:30 PM EDT	Special Weather Statement	FFC	Washington	30 min
Jul 27, 3:33 PM EDT	Special Weather Statement	FFC	Upson	27 min
Jul 27, 3:35 PM EDT	Special Weather Statement	FFC	Jones	25 min
Jul 27, 3:42 PM EDT	Special Weather Statement	FFC	Morgan	33 min
Jul 27, 3:45 PM EDT	Special Weather Statement	FFC	Polk	30 min
Jul 27, 3:48 PM EDT	Special Weather Statement	FFC	Carroll	27 min
Jul 27, 3:50 PM EDT	Severe Thunderstorm Warning	FFC	Polk	25 min
Jul 27, 3:51 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Hancock, Washington, Wilkinson	39 min
Jul 27, 3:54 PM EDT	Special Weather Statement	FFC	Crawford, Marion, Taylor	36 min
Jul 27, 4:06 PM EDT	Special Weather Statement	FFC	Putnam	24 min
Jul 27, 4:09 PM EDT	Special Weather Statement	FFC	Heard	36 min
Jul 27, 4:22 PM EDT	Special Weather Statement	FFC	Crawford, Taylor	38 min
Jul 27, 4:26 PM EDT	Severe Thunderstorm Warning	FFC	Washington	34 min
Jul 27, 4:35 PM EDT	Special Weather Statement	FFC	Henry, Newton, Rockdale	25 min
Jul 27, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	51 min
Jul 27, 4:44 PM EDT	Special Weather Statement	FFC	Fayette	31 min
Jul 27, 4:50 PM EDT	Severe Thunderstorm Warning	FFC	Henry, Newton, Rockdale	40 min
Jul 27, 4:55 PM EDT	Special Weather Statement	FFC	Oconee, Walton	35 min
Jul 27, 4:59 PM EDT	Special Weather Statement	FFC	Jefferson	31 min
Jul 27, 5:01 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Washington	44 min
Jul 27, 5:09 PM EDT	Special Weather Statement	FFC	Henry	36 min
Jul 27, 5:12 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Spalding	48 min
Jul 27, 5:21 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Newton, Spalding	39 min
Jul 27, 5:24 PM EDT	Special Weather Statement	FFC	Morgan, Oconee, Oglethorpe	36 min
Jul 27, 5:32 PM EDT	Special Weather Statement	FFC	Pike	28 min
Jul 27, 5:44 PM EDT	Special Weather Statement	FFC	Meriwether, Pike	31 min
Jul 27, 5:55 PM EDT	Special Weather Statement	FFC	Butts, Jasper, Lamar, Spalding	35 min
Jul 27, 6:01 PM EDT	Special Weather Statement	FFC	White	29 min
Jul 27, 6:09 PM EDT	Special Weather Statement	FFC	Harris, Meriwether, Pike, Talbot	21 min
Jul 27, 6:13 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Lamar, Monroe, Pike, Spalding, Upson	47 min
Jul 27, 6:42 PM EDT	Special Weather Statement	FFC	Chattooga, Floyd	33 min
Jul 27, 7:00 PM EDT	Special Weather Statement	FFC	Harris, Muscogee, Talbot	30 min
Jul 27, 7:02 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee	43 min
Jul 27, 7:15 PM EDT	Special Weather Statement	FFC	Bartow	30 min
Jul 27, 7:33 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	42 min
Jul 27, 7:40 PM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee, Talbot, Taylor	35 min
Jul 27, 7:49 PM EDT	Special Weather Statement	FFC	Whitfield	26 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; radar from the NEXRAD Level II archive.