Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 366, NWS Atlanta, GA

June 22, 2011Floyd County, Haralson County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2011, 7:21 PM EDT for Floyd County, Haralson County, Polk County, Georgia. It was in force for 43 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
Jun 22, 2011, 7:21 PM EDT (23:21 UTC)
Expired
Jun 22, 2011, 8:04 PM EDT
In force
43 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Floyd County, GA, Haralson County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 23:22 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 12:00Z, 11.4 hours before the alert went out and 91 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2011-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2011-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
43 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1250 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

496 
WUUS52 KFFC 222321
SVRFFC
GAC115-143-233-230015-
/O.NEW.KFFC.SV.W.0366.110622T2321Z-110623T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 PM EDT WED JUN 22 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWEST GEORGIA
  NORTHWESTERN HARALSON COUNTY IN NORTHWEST GEORGIA
  POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 815 PM EDT

* AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED 13 MILES NORTHWEST OF TALLAPOOSA...
  MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUCHANAN...CAVE SPRING...CEDARTOWN...ROCKMART...ARAGON AND
  BRASWELL.

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 3428 8509 3421 8504 3409 8504 3408 8495
      3405 8493 3396 8497 3395 8505 3391 8505
      3390 8503 3386 8504 3369 8535 3412 8543
TIME...MOT...LOC 2321Z 244DEG 41KT 3389 8541

$$
2 follow-up statements
222 
WWUS52 KFFC 222349
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
749 PM EDT WED JUN 22 2011

GAC115-143-233-230015-
/O.CON.KFFC.SV.W.0366.000000T0000Z-110623T0015Z/
POLK GA-FLOYD GA-HARALSON GA-
749 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHEASTERN HARALSON...SOUTHERN FLOYD AND POLK COUNTIES...

AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP
TO 60 MPH. THIS STORM WAS LOCATED NEAR FISH CREEK...MOVING NORTHEAST
AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ARAGON.

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 3428 8509 3421 8504 3409 8504 3408 8495
      3405 8493 3397 8498 3395 8505 3391 8505
      3390 8503 3386 8504 3381 8524 3415 8535
TIME...MOT...LOC 2349Z 244DEG 41KT 3403 8506

$$
300 
WWUS52 KFFC 230004
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
804 PM EDT WED JUN 22 2011

GAC115-143-233-230014-
/O.CAN.KFFC.SV.W.0366.000000T0000Z-110623T0015Z/
POLK GA-FLOYD GA-HARALSON GA-
804 PM EDT WED JUN 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN 
HARALSON...SOUTHEASTERN FLOYD AND POLK COUNTIES IS CANCELLED...

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.

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 3428 8509 3421 8504 3409 8504 3408 8495
      3405 8493 3397 8498 3395 8505 3391 8505
      3390 8503 3386 8504 3381 8524 3415 8535
TIME...MOT...LOC 0004Z 244DEG 41KT 3410 8487

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 8:07 PM EDTSpecial Weather StatementFFCTaliaferro38 min
Jun 21, 8:17 PM EDTSpecial Weather StatementFFCBleckley, Pulaski43 min
Jun 21, 8:21 PM EDTSpecial Weather StatementFFCHancock39 min
Jun 21, 8:56 PM EDTSpecial Weather StatementFFCLaurens49 min
Jun 21, 9:05 PM EDTSpecial Weather StatementFFCWilkinson40 min
Jun 21, 9:34 PM EDTSpecial Weather StatementFFCWashington41 min
Jun 21, 10:53 PM EDTSpecial Weather StatementFFCJefferson37 min
Jun 21, 11:54 PM EDTSpecial Weather StatementFFCHouston51 min
Jun 22, 2:49 PM EDTSpecial Weather StatementFFCCoweta, Heard, Meriwether, Troup41 min
Jun 22, 2:56 PM EDTSpecial Weather StatementFFCCarroll, Douglas, Haralson, Paulding34 min
Jun 22, 3:27 PM EDTSpecial Weather StatementFFCCarroll, Chattahoochee, Coweta, Douglas, Fayette, Harris and 5 more33 min
Jun 22, 3:51 PM EDTSpecial Weather StatementFFCClayton, Cobb, DeKalb, Douglas, Fayette, Fulton and 4 more39 min
Jun 22, 4:13 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Forsyth, Fulton, Gwinnett, Henry and 4 more62 min
Jun 22, 4:30 PM EDTSpecial Weather StatementFFCCherokee, Dawson45 min
Jun 22, 4:41 PM EDTSpecial Weather StatementFFCFannin34 min
Jun 22, 4:44 PM EDTSpecial Weather StatementFFCLamar, Monroe, Upson46 min
Jun 22, 4:51 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Clarke, Gwinnett, Hall, Jackson and 3 more54 min
Jun 22, 5:11 PM EDTSpecial Weather StatementFFCLumpkin, Union49 min
Jun 22, 5:22 PM EDTSpecial Weather StatementFFCBaldwin, Bibb, Houston, Jasper, Jones, Peach and 2 more38 min
Jun 22, 5:37 PM EDTSevere Thunderstorm WarningFFCBanks, Clarke, Hall, Jackson, Madison, Oconee and 1 more38 min
Jun 22, 6:18 PM EDTSpecial Weather StatementFFCDade27 min
Jun 22, 6:20 PM EDTSpecial Weather StatementFFCMadison, Oglethorpe40 min
Jun 22, 6:36 PM EDTSpecial Weather StatementFFCCarroll, Haralson, Heard39 min
Jun 22, 6:58 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Heard47 min
Jun 22, 7:11 PM EDTSpecial Weather StatementFFCHaralson, Polk64 min
Jun 22, 7:48 PM EDTSpecial Weather StatementFFCCobb, Douglas42 min
Jun 22, 7:56 PM EDTSpecial Weather StatementFFCBartow, Gordon, Pickens49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.