Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 40, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2012, 1:54 PM EST for 4 counties in Georgia. It was in force for 51 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 1, 2012, 1:54 PM EST (18:54 UTC)
- Expired
- Mar 1, 2012, 2:45 PM EST
- In force
- 51 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Emanuel County, GA, Johnson County, GA, Laurens County, GA, Treutlen County, GA
The radar
The Robins AFB radar (KJGX), 109 km from the middle of the area, began a volume at 18:56 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 1, 1:55 PM EST | HAIL 0.88 | 1 Nnw Rockledge, GA | UNITED STATES POST OFFICE IN ROCKLEDGE REPORTED NICKLE-SIZED HAIL FOR LESS THAN 5 MINUTES IN ROCKLEDGE. POWER OUTAGES WERE ALSO REPORTED IN ROCKLEDGE. |
| Mar 1, 1:56 PM EST | TSTM WND DMG | 2 Nne Rockledge, GA | PUBLIC REPORTED SEVERAL DOWNED TREES ON THE ROADS NEAR ROCKLEDGE JUST BEFORE 1400 EST. |
| Mar 1, 2:00 PM EST | HAIL 1 | 5 Sw Adrian, GA | PUBLIC REPORTED NICKLE TO QUARTER SIZED HAIL NEAR THE LAURENS-TREUTLEN COUNTY LINE. THE HAIL DAMAGED A DOG HOUSE IN A YARD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 6.9 hours before the alert went out and 212 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
- 598 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
087
WUUS52 KFFC 011854
SVRFFC
GAC107-167-175-283-011945-
/O.NEW.KFFC.SV.W.0040.120301T1854Z-120301T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
154 PM EST THU MAR 1 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA
SOUTHERN EMANUEL COUNTY IN EAST CENTRAL GEORGIA
SOUTH CENTRAL JOHNSON COUNTY IN EAST CENTRAL GEORGIA
NORTHERN TREUTLEN COUNTY IN EAST CENTRAL GEORGIA
* UNTIL 245 PM EST
* AT 151 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 7 MILES
SOUTHWEST OF ADRIAN...MOVING EAST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NUNEZ...OAK PARK AND STILLMORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
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 3254 8203 3255 8208 3251 8215 3241 8219
3236 8224 3234 8224 3242 8278 3256 8275
3256 8208 3255 8207 3256 8207 3256 8202
TIME...MOT...LOC 1855Z 276DEG 36KT 3248 8265
$$1 follow-up statement
914
WWUS52 KFFC 011919
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
219 PM EST THU MAR 1 2012
GAC167-175-011928-
/O.CAN.KFFC.SV.W.0040.000000T0000Z-120301T1945Z/
LAURENS GA-JOHNSON GA-
219 PM EST THU MAR 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JOHNSON AND EAST
CENTRAL LAURENS COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM HAS MOVED OUT OF THIS AREA AND NO LONGER
POSES A THREAT OF PRODUCING SEVERE WEATHER.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
LAT...LON 3249 8216 3248 8217 3243 8218 3239 8221
3236 8224 3234 8225 3239 8254 3248 8246
3251 8215
TIME...MOT...LOC 1918Z 276DEG 36KT 3245 8238
$$
GAC107-283-011945-
/O.CON.KFFC.SV.W.0040.000000T0000Z-120301T1945Z/
TREUTLEN GA-EMANUEL GA-
219 PM EST THU MAR 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EST
FOR SOUTHERN EMANUEL AND EAST CENTRAL TREUTLEN COUNTIES...
AT 215 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
FIVE POINTS...MOVING EAST AT 40 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OAK
PARK...LEXSY AND STILLMORE.
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 3249 8216 3248 8217 3243 8218 3239 8221
3236 8224 3234 8225 3239 8254 3248 8246
3251 8215
TIME...MOT...LOC 1918Z 276DEG 36KT 3245 8238
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 7:35 PM EST | Special Weather Statement | FFC | Chattooga, Floyd | 55 min |
| Feb 29, 7:42 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 33 min |
| Mar 1, 3:10 AM EST | Special Weather Statement | FFC | Coweta | 35 min |
| Mar 1, 3:23 AM EST | Special Weather Statement | FFC | Fayette | 37 min |
| Mar 1, 9:35 AM EST | Special Weather Statement | FFC | Washington | 40 min |
| Mar 1, 10:16 AM EST | Special Weather Statement | FFC | Jefferson | 44 min |
| Mar 1, 1:47 PM EST | Special Weather Statement | FFC | Emanuel, Treutlen | 28 min |
| Mar 1, 3:15 PM EST | Special Weather Statement | FFC | Chattahoochee, Marion, Schley | 45 min |
| Mar 1, 4:14 PM EST | Special Weather Statement | FFC | Dooly, Macon | 46 min |
| Mar 1, 5:09 PM EST | Special Weather Statement | FFC | Bleckley, Houston, Peach, Twiggs | 36 min |
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.