Alert archive / Georgia / Special Weather Statements in 2016

Special Weather Statement, NWS Atlanta, GA

August 7, 2016Hall County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 7, 2016, 11:31 PM EDT for Hall County, Georgia. It was in force for 44 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
Aug 7, 2016, 11:31 PM EDT (03:31 UTC)
Expired
Aug 8, 2016, 12:15 AM EDT
In force
44 min
Issued by
NWS Atlanta, GA

County Hall County, GA

The radar

The Atlanta radar (KFFC), 134 km from the middle of the area, began a volume at 03:33 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 00:00Z, 3.5 hours before the alert went out and 130 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 00:00Z on 2016-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1202 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 00:00Z on 2016-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1202 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

183 
WWUS82 KFFC 080331
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1131 PM EDT SUN AUG 7 2016
 
GAZ023-080415-
HALL GA-
1131 PM EDT SUN AUG 7 2016

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN HALL COUNTY UNTIL 1215 AM
EDT...

AT 1131 PM EDT...A STRONG THUNDERSTORM WAS NEAR GAINESVILLE...MOVING
NORTHWEST AT 10 MPH.

  HAZARD...HEAVY RAIN. 

  IMPACT...MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE 
           LOSS OF CONTROL DUE TO HYDROPLANING. ALSO...THE HEAVY 
           RAIN MAY CAUSE TEMPORARY STREET FLOODING OR ROAD PONDING 
           IN SLOW DRAINAGE AREAS. WHEN WATER COVERS THE 
           ROAD...REMEMBER TO TURN AROUND DON'T DROWN. 

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
GAINESVILLE...LULA...CLERMONT...GILLSVILLE AND CANDLER. 

LAT...LON 3450 8375 3437 8366 3436 8367 3435 8365
      3432 8365 3430 8362 3423 8370 3417 8378
      3431 8390 3442 8389
TIME...MOT...LOC 0331Z 145DEG 8KT 3431 8376 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:08 PM EDTAreal Flood WarningFFCFannin3 hr
Aug 7, 9:10 PM EDTAreal Flood WarningFFCPolk5 hr
Aug 7, 9:14 PM EDTSpecial Weather StatementFFCWalker31 min
Aug 7, 9:16 PM EDTSpecial Weather StatementFFCDade29 min
Aug 7, 9:57 PM EDTSpecial Weather StatementFFCCatoosa, Dade, Walker48 min
Aug 7, 10:47 PM EDTSpecial Weather StatementFFCCatoosa, Chattooga, Walker58 min
Aug 7, 11:29 PM EDTAreal Flood WarningFFCCatoosa, Walker6 hr

Nearby

Special Weather Statements in Georgia, 2016Every special weather statement in 2016

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.