Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 271, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 27, 2011, 5:38 PM EDT for Jefferson County, Johnson County, Washington County, Georgia. It was in force for 33 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
- May 27, 2011, 5:38 PM EDT (21:38 UTC)
- Expired
- May 27, 2011, 6:11 PM EDT
- In force
- 33 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Jefferson County, GA, Johnson County, GA, Washington County, GA
The radar
The Robins AFB radar (KJGX), 83 km from the middle of the area, began a volume at 21:41 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 |
|---|---|---|---|
| May 27, 5:55 PM EDT | HAIL 1 | 3 Sse Riddleville, GA | QUARTER SIZED HAIL WAS REPORTED AT PECAN VALLEY FARM JUST SOUTHEAST OF RIDDLEVILLE. |
| May 27, 5:58 PM EDT | HAIL 1 | Riddleville, GA | QUARTER SIZED HAIL REPORTED BY THE LOCAL LAW ENFORCEMENT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.6 hours before the alert went out and 199 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
- 778 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
016
WUUS52 KFFC 272138
SVRFFC
GAC163-167-303-272230-
/O.NEW.KFFC.SV.W.0271.110527T2138Z-110527T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
538 PM EDT FRI MAY 27 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL JEFFERSON COUNTY IN EAST CENTRAL GEORGIA
NORTHEASTERN JOHNSON COUNTY IN EAST CENTRAL GEORGIA
SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL GEORGIA
* UNTIL 630 PM EDT
* AT 532 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
HARRISON...MOVING EAST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BARTOW AND WADLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3281 8237 3282 8239 3281 8242 3278 8240
3276 8244 3272 8245 3268 8250 3280 8282
3297 8274 3289 8234
TIME...MOT...LOC 2138Z 288DEG 11KT 3286 8268
$$2 follow-up statements
022
WWUS52 KFFC 272149
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
549 PM EDT FRI MAY 27 2011
GAC163-167-303-272230-
/O.CON.KFFC.SV.W.0271.000000T0000Z-110527T2230Z/
WASHINGTON GA-JOHNSON GA-JEFFERSON GA-
549 PM EDT FRI MAY 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL JEFFERSON...NORTHEASTERN JOHNSON AND SOUTHEASTERN
WASHINGTON COUNTIES...
AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
RIDDLEVILLE...MOVING EAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PRINGLE...NEW HOME...BARTOW...KITE AND WADLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
&&
LAT...LON 3281 8237 3282 8239 3281 8242 3278 8240
3276 8244 3275 8244 3268 8250 3279 8278
3296 8269 3289 8234
TIME...MOT...LOC 2149Z 288DEG 11KT 3285 8264
$$120
WWUS52 KFFC 272211
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
611 PM EDT FRI MAY 27 2011
GAC163-167-303-272220-
/O.CAN.KFFC.SV.W.0271.000000T0000Z-110527T2230Z/
WASHINGTON GA-JOHNSON GA-JEFFERSON GA-
611 PM EDT FRI MAY 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JEFFERSON...
NORTHEASTERN JOHNSON AND SOUTHEASTERN WASHINGTON COUNTIES IS
CANCELLED...
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BARTOW...KITE AND WADLEY.
THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS
STORM...ESPECIALLY OVER CENTRAL JOHNSON COUNTY WHERE NEW STORMS HAVE
DEVELOPED. A NEW SIGNIFICANT WEATHER ADVISORY IS LIKELY FOR THAT
AREA.
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 3281 8237 3282 8239 3281 8242 3278 8240
3276 8244 3275 8244 3268 8250 3279 8278
3296 8269 3289 8234
TIME...MOT...LOC 2210Z 288DEG 11KT 3283 8257
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 9:37 PM EDT | Special Weather Statement | FFC | Jefferson, Johnson | 38 min |
| May 26, 9:39 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Montgomery, Toombs, Treutlen | 51 min |
| May 26, 9:49 PM EDT | Special Weather Statement | FFC | Emanuel | 26 min |
| May 26, 10:04 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Jefferson | 41 min |
| May 27, 12:53 AM EDT | Special Weather Statement | FFC | Fayette | 22 min |
| May 27, 1:37 AM EDT | Special Weather Statement | FFC | Washington | 38 min |
| May 27, 2:13 AM EDT | Special Weather Statement | FFC | Johnson | 32 min |
| May 27, 2:17 AM EDT | Special Weather Statement | FFC | Coweta | 43 min |
| May 27, 2:26 AM EDT | Special Weather Statement | FFC | Coweta | 34 min |
| May 27, 2:35 AM EDT | Special Weather Statement | FFC | Jefferson | 40 min |
| May 27, 2:50 AM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 2 hr |
| May 27, 2:55 AM EDT | Special Weather Statement | FFC | Coweta, Fayette | 50 min |
| May 27, 4:49 AM EDT | Flash Flood Warning | FFC | DeKalb, Fulton | 90 min |
| May 27, 10:09 AM EDT | Special Weather Statement | FFC | Jefferson | 36 min |
| May 27, 11:32 AM EDT | Special Weather Statement | FFC | Telfair | 28 min |
| May 27, 12:28 PM EDT | Special Weather Statement | FFC | Taliaferro | 32 min |
| May 27, 1:01 PM EDT | Special Weather Statement | FFC | Wilkes | 29 min |
| May 27, 1:16 PM EDT | Special Weather Statement | FFC | Taliaferro, Wilkes | 59 min |
| May 27, 1:44 PM EDT | Special Weather Statement | FFC | Bibb, Jones | 31 min |
| May 27, 2:00 PM EDT | Special Weather Statement | FFC | Taliaferro | 30 min |
| May 27, 2:08 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Taliaferro, Warren, Wilkes | 52 min |
| May 27, 2:21 PM EDT | Special Weather Statement | FFC | Baldwin | 24 min |
| May 27, 2:59 PM EDT | Special Weather Statement | FFC | Glascock, Hancock, Warren | 46 min |
| May 27, 3:44 PM EDT | Special Weather Statement | FFC | Glascock, Hancock, Taliaferro, Warren | 46 min |
| May 27, 4:02 PM EDT | Special Weather Statement | FFC | Wilkinson | 28 min |
| May 27, 4:32 PM EDT | Special Weather Statement | FFC | Wilkinson | 43 min |
| May 27, 4:38 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Wilkinson | 52 min |
| May 27, 5:09 PM EDT | Special Weather Statement | FFC | Emanuel | 21 min |
| May 27, 5:27 PM EDT | Special Weather Statement | FFC | Johnson | 48 min |
| May 27, 5:29 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 46 min |
| May 27, 5:51 PM EDT | Special Weather Statement | FFC | Telfair | 39 min |
| May 27, 6:14 PM EDT | Special Weather Statement | FFC | Emanuel | 46 min |
| May 27, 6:25 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Treutlen | 50 min |
| May 27, 6:56 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 49 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011
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.