Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

May 19, 20125 counties in Georgia

NWS Atlanta, GA issued this special weather statement at May 19, 2012, 7:21 PM EDT for 5 counties in Georgia. It was in force for 39 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
May 19, 2012, 7:21 PM EDT (23:21 UTC)
Expired
May 19, 2012, 8:00 PM EDT
In force
39 min
Issued by
NWS Atlanta, GA

Counties Bartow County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 129 km from the middle of the area, began a volume at 23:21 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, 7:30 PM EDTHAIL 0.884 Sse Chatsworth, GAPUBLIC REPORTED NICKEL-SIZED HAIL ON GA HWY 282. START TIME OF 1930 EDT...LASTING 10 MINUTES.

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, 11.4 hours before the alert went out and 135 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.

487 
WWUS82 KFFC 192321
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 PM EDT SAT MAY 19 2012

GAZ005>007-012-020-200000-
721 PM EDT SAT MAY 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN MURRAY...
BARTOW...FANNIN...GILMER AND GORDON COUNTIES UNTIL 800 PM EDT...

AT 718 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER CARTERS...MOVING WEST AT 10 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE NICKEL SIZED HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS THEY
MOVE ACROSS MURRAY...BARTOW...FANNIN...GILMER AND GORDON COUNTIES
THROUGH 800 PM EDT. SOME LOCATIONS IN THE PATH OF THESE STORMS
INCLUDE FAIRMOUNT...RANGER...OAKMAN...EAST ELLIJAY...ELLIJAY...TAILS
CREEK...ROUNDTOP...TALONA...MOUNTAINTOWN...CARTERS...RAMHURST...FORT
MOUNTAIN STATE PARK...ETON...CHATSWORTH AND NORTH GEORGIA SPEEDWAY.
HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3499 8414 3455 8440 3456 8451 3454 8465
      3411 8466 3407 8468 3408 8476 3429 8502
      3439 8501 3439 8503 3462 8505 3462 8493
      3464 8491 3468 8494 3468 8489 3471 8494
      3472 8485 3479 8487 3500 8444
TIME...MOT...LOC 2322Z 081DEG 7KT 3463 8474

$$

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, 4:27 PM EDTSevere Thunderstorm WarningFFCCherokee, Gordon, Pickens48 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, 7:54 PM EDTSpecial Weather StatementFFCGordon, Murray36 min

Nearby

Special Weather Statements in Georgia, 2012Every special weather statement 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.