Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 7, NWS Atlanta, GA

January 7, 2009Talbot County, Taylor County, Upson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 7, 2009, 2:19 AM EST for Talbot County, Taylor County, Upson County, Georgia. It was in force for 26 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
Jan 7, 2009, 2:19 AM EST (07:19 UTC)
Expired
Jan 7, 2009, 2:45 AM EST
In force
26 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Talbot County, GA, Taylor County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 07:18 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.

IssuedProductOfficeLasted
Jan 6, 11:51 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.3 hours before the alert went out and 74 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2009-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2009-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 406 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
41 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
406 m²/s²
0-3 km storm-relative helicity
492 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.

000 
WUUS52 KFFC 070719
SVRFFC
GAC263-269-293-070745-
/O.NEW.KFFC.SV.W.0007.090107T0719Z-090107T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
219 AM EST WED JAN 7 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TALBOT COUNTY IN WEST CENTRAL GEORGIA
  NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL GEORGIA
  UPSON COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 245 AM EST

* AT 218 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR TALBOTTON...MOVING NORTHEAST AT
  60 MPH.

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

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 3272 8463 3299 8421 3298 8412 3279 8413
      3279 8415 3270 8419 3255 8445 3256 8449
      3254 8451 3255 8453
TIME...MOT...LOC 0719Z 237DEG 52KT 3266 8447

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 9:11 PM ESTAreal Flood WarningFFCPolk10 hr
Jan 6, 10:42 PM ESTRiver Flood WarningFFCFloyd, Gordon4 days
Jan 7, 1:42 AM ESTSevere Thunderstorm WarningFFCChattahoochee, Muscogee33 min
Jan 7, 1:54 AM ESTSevere Thunderstorm WarningFFCChattahoochee, Stewart36 min
Jan 7, 2:11 AM ESTSevere Thunderstorm WarningFFCMarion34 min
Jan 7, 2:32 AM ESTSevere Thunderstorm WarningFFCCrawford, Taylor43 min
Jan 7, 3:16 AM ESTSevere Thunderstorm WarningFFCMacon, Schley, Taylor29 min
Jan 7, 3:21 AM ESTRiver Flood WarningFFCFloyd33 hr
Jan 7, 3:56 AM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more18 hr
Jan 7, 5:17 AM ESTRiver Flood WarningFFCGordon22 hr
Jan 7, 9:12 AM ESTAreal Flood WarningFFCCatoosa, Chattooga, Floyd, Gordon, Murray, Walker and 1 more23 hr
Jan 7, 11:35 AM ESTRiver Flood WarningFFCClarke, Greene, Oconee58 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009

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.