Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 208, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 2011, 6:03 PM EDT for Catoosa County, Walker County, Georgia. It was in force for 27 min. 1 report 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
- Apr 27, 2011, 6:03 PM EDT (22:03 UTC)
- Expired
- Apr 27, 2011, 6:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Catoosa County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 83 km from the middle of the area, began a volume at 22:07 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 |
|---|---|---|---|
| Apr 27, 6:05 PM EDT | TSTM WND DMG | Rossville, GA | PUBLIC REPORTED A SMALL OUTBUILDING AND ALL ITS CONTENTS WERE BLOWN AWAY. SOME TREES WERE ALSO DOWNED. |
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 |
|---|---|---|---|
| Apr 27, 2:42 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.1 hours before the alert went out and 184 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -84 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
085
WUUS52 KFFC 272203
SVRFFC
GAC047-295-272230-
/O.NEW.KFFC.SV.W.0208.110427T2203Z-110427T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
603 PM EDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CATOOSA COUNTY IN NORTHWEST GEORGIA
NORTH CENTRAL WALKER COUNTY IN NORTHWEST GEORGIA
* UNTIL 630 PM EDT
* AT 602 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
ROSSVILLE...MOVING NORTHEAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LAKEVIEW...BOYNTON...INDIAN SPRINGS AND GRAYSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. 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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.
&&
LAT...LON 3499 8502 3498 8502 3495 8508 3484 8531
3495 8539 3499 8536
TIME...MOT...LOC 2203Z 237DEG 46KT 3497 8528
$$1 follow-up statement
701
WWUS52 KFFC 272219
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
619 PM EDT WED APR 27 2011
GAC295-272228-
/O.CAN.KFFC.SV.W.0208.000000T0000Z-110427T2230Z/
WALKER GA-
619 PM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WALKER COUNTY IS
CANCELLED...
ADDITIONAL STORMS TO THE WEST LOOK TO IMPACT THE AREA IN THE NEXT
HOUR.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.
LAT...LON 3496 8526 3498 8523 3499 8502 3498 8502
3493 8512
TIME...MOT...LOC 2218Z 237DEG 46KT 3507 8508
$$
GAC047-272230-
/O.CON.KFFC.SV.W.0208.000000T0000Z-110427T2230Z/
CATOOSA GA-
619 PM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHERN CATOOSA COUNTY...
AT 616 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 6
MILES NORTH OF GRAYSVILLE...MOVING NORTHEAST AT 55 MPH.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.
&&
LAT...LON 3496 8526 3498 8523 3499 8502 3498 8502
3493 8512
TIME...MOT...LOC 2218Z 237DEG 46KT 3507 8508
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:04 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Haralson, Polk | 56 min |
| Apr 27, 8:16 AM EDT | Tornado Warning | FFC | Catoosa, Chattooga, Dade, Walker, Whitfield | 44 min |
| Apr 27, 8:25 AM EDT | Tornado Warning | FFC | Dade, Walker | 35 min |
| Apr 27, 8:28 AM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson, Heard | 32 min |
| Apr 27, 8:35 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Gilmer, Gordon, Murray and 5 more | 55 min |
| Apr 27, 8:42 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Murray, Whitfield | 48 min |
| Apr 27, 8:51 AM EDT | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Douglas, Fayette, Fulton | 29 min |
| Apr 27, 8:54 AM EDT | Tornado Warning | FFC | Gilmer, Gordon, Murray, Whitfield | 51 min |
| Apr 27, 9:02 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 16 min |
| Apr 27, 9:26 AM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer, Murray | 39 min |
| Apr 27, 1:59 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 61 min |
| Apr 27, 2:25 PM EDT | Tornado Warning | FFC | Dade, Walker | 34 min |
| Apr 27, 2:37 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 25 min |
| Apr 27, 5:07 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 38 min |
| Apr 27, 5:14 PM EDT | Tornado Warning | FFC | Dade, Walker | 46 min |
| Apr 27, 5:51 PM EDT | Tornado Warning | FFC | Catoosa | 24 min |
| Apr 27, 5:53 PM EDT | River Flood Warning | FFC | Dade | 11 hr |
| Apr 27, 6:15 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 30 min |
| Apr 27, 7:20 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 55 min |
| Apr 27, 7:32 PM EDT | Tornado Warning | FFC | Chattooga, Dade, Walker | 43 min |
| Apr 27, 7:59 PM EDT | Tornado Warning | FFC | Catoosa, Walker, Whitfield | 46 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.