Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 346, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Oct 1, 2012, 5:06 PM EDT for 4 counties in Georgia. It was in force for 24 min. 2 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
- Oct 1, 2012, 5:06 PM EDT (21:06 UTC)
- Expired
- Oct 1, 2012, 5:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Banks County, GA, Barrow County, GA, Jackson County, GA, Madison County, GA
The radar
The Greer radar (KGSP), 122 km from the middle of the area, began a volume at 21:09 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 |
|---|---|---|---|
| Oct 1, 5:10 PM EDT | TSTM WND DMG | Homer, GA | THE BANKS COUNTY EMERGENCY MANAGER RELAYED REPORTS OF SEVERAL DOWNED TREES IN AND NEAR THE HOMER AREA...ESPECIALLY BETWEEN HOMER AND HIGHWAY 441. |
| Oct 1, 5:15 PM EDT | TSTM WND DMG | Maysville, GA | JACKSON COUNTY EMA RELAYED A REPORT OF A FEW TREES DOWN IN THE MAYSVILLE AREA. TIME IS BASED ON RADAR. |
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 |
|---|---|---|---|
| Oct 1, 2:16 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.1 hours before the alert went out and 148 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
- 512 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 479 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 240 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
544
WUUS52 KFFC 012106
SVRFFC
GAC011-013-157-195-012130-
/O.NEW.KFFC.SV.W.0346.121001T2106Z-121001T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
506 PM EDT MON OCT 1 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BARROW COUNTY IN NORTH CENTRAL GEORGIA
SOUTHEASTERN BANKS COUNTY IN NORTHEAST GEORGIA
JACKSON COUNTY IN NORTHEAST GEORGIA
NORTHWESTERN MADISON COUNTY IN NORTHEAST GEORGIA
* UNTIL 530 PM EDT
* AT 504 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS UP TO 70
MPH. THIS STORM WAS LOCATED NEAR JEFFERSON...MOVING NORTHEAST AT
35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NICHOLSON...MAYSVILLE...COMMERCE...ILA AND HOMER.
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...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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN GEORGIA.
&&
LAT...LON 3446 8339 3443 8337 3433 8339 3425 8333
3427 8330 3425 8325 3425 8316 3427 8313
3427 8311 3426 8310 3392 8364 3412 8376
3448 8342
TIME...MOT...LOC 2106Z 219DEG 31KT 3413 8358
$$1 follow-up statement
107
WWUS52 KFFC 012123
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
523 PM EDT MON OCT 1 2012
GAC013-012133-
/O.CAN.KFFC.SV.W.0346.000000T0000Z-121001T2130Z/
BARROW GA-
523 PM EDT MON OCT 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BARROW COUNTY IS
CANCELLED...
.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN GEORGIA.
LAT...LON 3401 8351 3415 8372 3448 8342 3446 8339
3443 8337 3433 8339 3425 8333 3427 8330
3425 8325 3425 8316 3427 8313 3427 8311
3426 8310
TIME...MOT...LOC 2123Z 219DEG 31KT 3424 8347
$$
GAC011-157-195-012130-
/O.CON.KFFC.SV.W.0346.000000T0000Z-121001T2130Z/
MADISON GA-BANKS GA-JACKSON GA-
523 PM EDT MON OCT 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR JACKSON...SOUTHEASTERN BANKS AND NORTHWESTERN MADISON COUNTIES...
AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
UP TO 70 MPH. THIS STORM WAS LOCATED NEAR COMMERCE...MOVING NORTHEAST
AT 35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BANKS
CROSSING...ILA...FIVE POINTS...HOMER...POCATALIGO AND PINEFIELD
CROSSROADS.
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...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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN GEORGIA.
&&
LAT...LON 3401 8351 3415 8372 3448 8342 3446 8339
3443 8337 3433 8339 3425 8333 3427 8330
3425 8325 3425 8316 3427 8313 3427 8311
3426 8310
TIME...MOT...LOC 2123Z 219DEG 31KT 3424 8347
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 2:59 PM EDT | Special Weather Statement | FFC | Henry, Lamar, Rockdale, Spalding | 46 min |
| Oct 1, 4:09 PM EDT | Special Weather Statement | FFC | Barrow | 36 min |
| Oct 1, 4:13 PM EDT | Special Weather Statement | FFC | Baldwin, Twiggs | 32 min |
| Oct 1, 6:22 PM EDT | River Flood Warning | FFC | Forsyth | 16 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 2012Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.