Alert archive / Georgia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 13, NWS Atlanta, GA

March 28, 20104 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 28, 2010, 7:10 PM EDT for 4 counties in Georgia. It was in force for 50 min. 3 reports 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 28, 2010, 7:10 PM EDT (23:10 UTC)
Expired: Mar 28, 2010, 8:00 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Greene County, GA, Hancock County, GA, Taliaferro County, GA, Wilkes County, GA

The radar

The Robins AFB radar (KJGX), 99 km from the middle of the area, began a volume at 23:13 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.

What was reported inside it

Time	Report	Where	Remark
Mar 28, 7:12 PM EDT	HAIL 1.75	1 Sw Reynolds Plantatio, GA
Mar 28, 7:30 PM EDT	HAIL 1	Siloam, GA
Mar 28, 7:41 PM EDT	HAIL 1.75	4 N Lyneville, GA	NEAR HWY 22.

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 28, 3:47 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 133 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: 30 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 478 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 535 m²/s²
0-3 km storm-relative helicity: 588 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.

317 
WUUS52 KFFC 282310
SVRFFC
GAC133-141-265-317-290000-
/O.NEW.KFFC.SV.W.0013.100328T2310Z-100329T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
710 PM EDT SUN MAR 28 2010

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN GREENE COUNTY IN EAST CENTRAL GEORGIA
  NORTH CENTRAL HANCOCK COUNTY IN EAST CENTRAL GEORGIA
  TALIAFERRO COUNTY IN EAST CENTRAL GEORGIA
  SOUTHWESTERN WILKES COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 800 PM EDT

* AT 708 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR REYNOLDS
  PLANTATION...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITE
  PLAINS...SILOAM...UNION POINT...CRAWFORDVILLE AND SHARON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT 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.

&&

LAT...LON 3333 8314 3339 8319 3340 8318 3339 8322
      3341 8324 3344 8325 3370 8304 3369 8301
      3373 8295 3376 8298 3379 8297 3362 8269
TIME...MOT...LOC 2311Z 218DEG 41KT 3339 8320

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 2:20 PM EDT	Tornado Warning	FFC	Whitfield	25 min
Mar 28, 2:43 PM EDT	Tornado Warning	FFC	Murray	36 min
Mar 28, 2:47 PM EDT	Tornado Warning	FFC	Murray, Whitfield	30 min
Mar 28, 3:13 PM EDT	Severe Thunderstorm Warning	FFC	Fannin	35 min
Mar 28, 6:59 PM EDT	Severe Thunderstorm Warning	FFC	Putnam	31 min
Mar 28, 7:05 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Jones, Putnam	25 min
Mar 28, 7:32 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Jones	29 min
Mar 28, 7:37 PM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe, Wilkes	38 min
Mar 28, 7:40 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Macon, Peach	50 min
Mar 28, 7:46 PM EDT	Severe Thunderstorm Warning	FFC	Lamar	24 min
Mar 28, 7:47 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Hancock, Putnam	58 min
Mar 28, 7:52 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Upson	23 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2010 Every severe thunderstorm warning in 2010

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; radar from the NEXRAD Level II archive.