Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

September 5, 2017Gilmer County, Murray County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 5, 2017, 3:21 PM EDT for Gilmer County, Murray County, Georgia. It was in force for 24 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
Sep 5, 2017, 3:21 PM EDT (19:21 UTC)
Expired
Sep 5, 2017, 3:45 PM EDT
In force
24 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

Counties Gilmer County, GA, Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 123 km from the middle of the area, began a volume at 19:25 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, 7.4 hours before the alert went out and 159 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 2017-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 483 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2017-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
483 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

495 
WWUS82 KFFC 051921
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
321 PM EDT TUE SEP 5 2017
 
GAZ004>007-051945-
Gilmer GA-Whitfield GA-Murray GA-Fannin GA-
321 PM EDT TUE SEP 5 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GILMER...
SOUTHEASTERN WHITFIELD...MURRAY AND NORTHWESTERN FANNIN COUNTIES
UNTIL 345 PM EDT...

At 320 PM EDT...a strong thunderstorm was over Chatsworth...moving
east at 20 mph.

  HAZARD...Up to 40 mph wind...pea sized hail and frequent cloud to 
           ground lightning. 

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light...unsecured objects. 

Some locations in the path of this storm include
Dalton, Chatsworth, Ellijay, Eton, East Ellijay, Crandall, Tails
Creek, Ramhurst, Jones Mill, Conasauga Lake, Mountaintown, Fort
Mountain State Park, North Georgia Speedway and Colwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.

LAT...LON 3469 8505 3489 8476 3499 8451 3465 8436
TIME...MOT...LOC 1920Z 287DEG 13KT 3477 8476 

HAIL...0.25IN
WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 8:26 PM EDTSpecial Weather StatementFFCToombs34 min
Sep 4, 10:40 PM EDTSpecial Weather StatementFFCTreutlen35 min
Sep 5, 3:15 PM EDTSpecial Weather StatementFFCChattooga30 min
Sep 5, 3:49 PM EDTSpecial Weather StatementFFCChattooga, Floyd26 min
Sep 5, 4:04 PM EDTSpecial Weather StatementFFCMurray26 min
Sep 5, 4:23 PM EDTSpecial Weather StatementFFCCatoosa37 min
Sep 5, 4:38 PM EDTSpecial Weather StatementFFCDade37 min
Sep 5, 4:50 PM EDTSpecial Weather StatementFFCFannin25 min
Sep 5, 5:01 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer29 min
Sep 5, 5:07 PM EDTSevere Thunderstorm WarningFFCDade, Walker23 min
Sep 5, 5:08 PM EDTSpecial Weather StatementFFCMurray37 min
Sep 5, 5:18 PM EDTSpecial Weather StatementFFCCatoosa27 min
Sep 5, 5:32 PM EDTSevere Thunderstorm WarningFFCCatoosa, Walker, Whitfield13 min
Sep 5, 5:34 PM EDTSpecial Weather StatementFFCCherokee26 min
Sep 5, 5:47 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Pickens28 min
Sep 5, 5:51 PM EDTSpecial Weather StatementFFCPolk24 min
Sep 5, 5:57 PM EDTSpecial Weather StatementFFCGordon33 min
Sep 5, 6:08 PM EDTSpecial Weather StatementFFCDouglas37 min
Sep 5, 6:17 PM EDTSpecial Weather StatementFFCDawson, Lumpkin, White43 min
Sep 5, 6:20 PM EDTSpecial Weather StatementFFCCherokee40 min
Sep 5, 6:40 PM EDTSevere Thunderstorm WarningFFCDawson, Forsyth, Hall, Lumpkin, White35 min
Sep 5, 6:51 PM EDTSevere Thunderstorm WarningFFCCoweta, Douglas, Fayette, Fulton24 min
Sep 5, 6:57 PM EDTSpecial Weather StatementFFCHaralson, Paulding33 min
Sep 5, 7:02 PM EDTSpecial Weather StatementFFCCobb, Forsyth28 min
Sep 5, 7:12 PM EDTSpecial Weather StatementFFCBanks, Hall33 min
Sep 5, 7:17 PM EDTSpecial Weather StatementFFCClayton28 min
Sep 5, 7:20 PM EDTSpecial Weather StatementFFCCoweta25 min
Sep 5, 7:33 PM EDTSpecial Weather StatementFFCCobb, Forsyth, Gwinnett27 min
Sep 5, 7:38 PM EDTSpecial Weather StatementFFCFulton37 min
Sep 5, 7:47 PM EDTSpecial Weather StatementFFCClayton, Coweta, Fayette43 min
Sep 5, 7:48 PM EDTSpecial Weather StatementFFCBanks, Hall, Jackson27 min

Nearby

Special Weather Statements in Georgia, 2017Every special weather statement in 2017

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.