Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 120, NWS Atlanta, GA

May 19, 2012Cherokee County, Gordon County, Pickens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 19, 2012, 4:27 PM EDT for Cherokee County, Gordon County, Pickens County, Georgia. It was in force for 48 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 19, 2012, 4:27 PM EDT (20:27 UTC)
Expired
May 19, 2012, 5:15 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Cherokee County, GA, Gordon County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 113 km from the middle of the area, began a volume at 20:31 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

TimeReportWhereRemark
May 19, 4:40 PM EDTHAIL 0.882 Wsw Jasper, GAEMPLOYEE AT LAWSON CHEVROLET REPORTED NICKLE-SIZED HAIL. RADAR ESTIMATED TIME FROM 1640 EDT TO 1645 EDT.
May 19, 4:55 PM EDTHAIL 0.883 Sw Jasper, GAPUBLIC REPORTED NICKLE-SIZED HAIL COVERING THEIR YARD ON FAIRVIEW ROAD IN JASPER FROM ABOUT 1655 EDT TO THEIR CALL TIME OF 1712 EDT.

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, 8.5 hours before the alert went out and 112 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 2012-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 2012-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
10 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

592 
WUUS52 KFFC 192027
SVRFFC
GAC057-129-227-192115-
/O.NEW.KFFC.SV.W.0120.120519T2027Z-120519T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
427 PM EDT SAT MAY 19 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  EXTREME SOUTHEASTERN GORDON COUNTY IN NORTHWEST GEORGIA

* UNTIL 515 PM EDT

* AT 426 PM EDT...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 NEAR JASPER...
  MOVING SOUTHWEST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CANTON AND WALESKA.

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 3438 8431 3421 8452 3435 8465 3435 8464
      3436 8466 3441 8465 3441 8469 3453 8444
TIME...MOT...LOC 2028Z 053DEG 3KT 3440 8446

$$
1 follow-up statement
513 
WWUS52 KFFC 192030
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
430 PM EDT SAT MAY 19 2012

GAC129-192040-
/O.CAN.KFFC.SV.W.0120.000000T0000Z-120519T2115Z/
GORDON GA-
430 PM EDT SAT MAY 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN GORDON
COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

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 3438 8431 3421 8452 3435 8465 3435 8464
      3436 8466 3441 8465 3443 8465 3453 8444
TIME...MOT...LOC 2030Z 053DEG 3KT 3440 8446

$$

GAC057-227-192115-
/O.CON.KFFC.SV.W.0120.000000T0000Z-120519T2115Z/
PICKENS GA-CHEROKEE GA-
430 PM EDT SAT MAY 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHWESTERN CHEROKEE AND PICKENS COUNTIES...

AT 426 PM EDT...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
TATE...MOVING SOUTHWEST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CANTON...WALESKA...LAKE ARROWHEAD...SALACOA VALLEY AND TALMADGE.

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 3438 8431 3421 8452 3435 8465 3435 8464
      3436 8466 3441 8465 3443 8465 3453 8444
TIME...MOT...LOC 2030Z 053DEG 3KT 3440 8446

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 4:03 PM EDTSevere Thunderstorm WarningFFCDawson, Gilmer, Pickens14 min
May 19, 5:17 PM EDTSpecial Weather StatementFFCCherokee, Pickens28 min
May 19, 5:40 PM EDTSpecial Weather StatementFFCBartow, Cherokee, Fannin, Gilmer, Pickens35 min
May 19, 6:17 PM EDTSpecial Weather StatementFFCBartow, Fannin, Gilmer, Pickens28 min
May 19, 6:42 PM EDTSpecial Weather StatementFFCBartow, Fannin, Gilmer, Pickens33 min
May 19, 7:21 PM EDTSpecial Weather StatementFFCBartow, Fannin, Gilmer, Gordon, Murray39 min
May 19, 7:54 PM EDTSpecial Weather StatementFFCGordon, Murray36 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.