Alert archive / Georgia / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 2, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 21, 2010, 10:16 PM EST for Oconee County, Walton County, Georgia. It was in force for 44 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 21, 2010, 10:16 PM EST (03:16 UTC)
- Expired
- Jan 21, 2010, 11:00 PM EST
- In force
- 44 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Oconee County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 111 km from the middle of the area, began a volume at 03:20 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.3 hours before the alert went out and 105 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.
- Mixed-layer CAPE
- 56 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 461 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 453 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
016
WUUS52 KFFC 220316
SVRFFC
GAC219-297-220400-
/O.NEW.KFFC.SV.W.0002.100122T0316Z-100122T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1016 PM EST THU JAN 21 2010
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WALTON COUNTY IN NORTH CENTRAL GEORGIA
OCONEE COUNTY IN NORTHEAST GEORGIA
* UNTIL 1100 PM EST
* AT 1011 PM EST...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 NEAR
BETWEEN...MOVING EAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GOOD
HOPE...NORTH HIGH SHOALS...BISHOP AND WATKINSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
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 3389 8337 3385 8328 3381 8330 3376 8328
3373 8333 3372 8345 3380 8347 3381 8352
3371 8358 3369 8382 3372 8385 3386 8388
3393 8350 3393 8343
TIME...MOT...LOC 0316Z 263DEG 49KT 3380 8372
$$2 follow-up statements
332
WWUS52 KFFC 220337
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1037 PM EST THU JAN 21 2010
GAC219-297-220400-
/O.CON.KFFC.SV.W.0002.000000T0000Z-100122T0400Z/
WALTON GA-OCONEE GA-
1037 PM EST THU JAN 21 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EST
FOR OCONEE AND WALTON COUNTIES...
AT 1034 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
BISHOP...MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSE
HILL AND BARNETT SHOALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
&&
LAT...LON 3389 8337 3385 8328 3381 8330 3376 8328
3373 8333 3372 8345 3380 8347 3381 8352
3371 8358 3369 8382 3372 8385 3386 8388
3393 8350 3393 8343
TIME...MOT...LOC 0337Z 263DEG 49KT 3383 8338
$$646
WWUS52 KFFC 220358
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1058 PM EST THU JAN 21 2010
GAC219-297-220406-
/O.EXP.KFFC.SV.W.0002.000000T0000Z-100122T0400Z/
WALTON GA-OCONEE GA-
1058 PM EST THU JAN 21 2010
...THE SEVERE THUNDERSTORM WARNING FOR OCONEE AND WALTON COUNTIES
EXPIRES AT 1100 PM EST...
THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS NO LONGER
EXPECTED TO PRODUCE SEVERE WEATHER.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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 3389 8337 3385 8328 3381 8330 3376 8328
3373 8333 3372 8345 3380 8347 3381 8352
3371 8358 3369 8382 3372 8385 3386 8388
3393 8350 3393 8343
TIME...MOT...LOC 0356Z 263DEG 49KT 3386 8307
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 8:01 PM EST | Tornado Warning | FFC | Carroll | 44 min |
| Jan 22, 1:17 AM EST | River Flood Warning | FFC | Pulaski | 30 hr |
| Jan 22, 11:29 AM EST | River Flood Warning | FFC | Montgomery, Treutlen, Wheeler | 72 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 2010Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.