Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

August 22, 2015Toombs County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 22, 2015, 5:22 PM EDT for Toombs County, Georgia. It was in force for 38 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 22, 2015, 5:22 PM EDT (21:22 UTC)
Expired: Aug 22, 2015, 6:00 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA

County Toombs County, GA

The radar

The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 21:22 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

Jacksonville, FL (KJAX), launched 12:00Z, 9.4 hours before the alert went out and 176 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1456 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1023 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 20 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Aug 22, 2:54 PM EDT, 2 hours 28 minutes earlier.

Area forecast discussion, Aug 22, 2:54 PM EDT, 2 hours 28 minutes before

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Hazardous weather outlook, Aug 22, 5:25 AM EDT, 11 hours 57 minutes before

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In the hours before

Special weather statement, Aug 22, 1:21 PM EDT, 4 hours 1 minute before

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Special weather statement, Aug 22, 1:54 PM EDT, 3 hours 28 minutes before

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Special weather statement, Aug 22, 2:48 PM EDT, 2 hours 34 minutes before

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Special weather statement, Aug 22, 5:22 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
522 PM EDT SAT AUG 22 2015

GAZ112-113-222200-
MONTGOMERY GA-TOOMBS GA-
522 PM EDT SAT AUG 22 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MONTGOMERY AND
TOOMBS COUNTIES UNTIL 600 PM EDT...

AT 521 PM EDT...A STRONG THUNDERSTORM WAS NEAR ALSTON...OR 9 MILES
SOUTHWEST OF LYONS...MOVING EAST AT 10 MPH.

  HAZARD...UP TO 40 MPH WIND...PEA SIZED HAIL AND FREQUENT CLOUD TO
           GROUND LIGHTNING.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
           NOT BE USED UNLESS IN AN EMERGENCY.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
VIDALIA...UVALDA...SANTA CLAUS...ALSTON...CEDAR CROSSING...JOHNSON
CORNER...ROCK SPRINGS...CHARLOTTEVILLE...TOOMBS CENTRAL...SOUTH
THOMPSON...ENGLISH EDDY...CENTER...GRAYS LANDING...NEW BRANCH AND
MCNATT FALLS.

LAT...LON 3194 8228 3193 8230 3195 8231 3193 8231
      3194 8238 3196 8238 3196 8240 3195 8240
      3196 8246 3196 8250 3197 8254 3220 8250
      3217 8219 3191 8223
TIME...MOT...LOC 2121Z 283DEG 10KT 3208 8240

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 1:21 PM EDT	Special Weather Statement	FFC	Jefferson	24 min
Aug 22, 1:54 PM EDT	Special Weather Statement	FFC	Jefferson	36 min
Aug 22, 2:48 PM EDT	Special Weather Statement	FFC	Jefferson	42 min

Nearby

Special Weather Statements in Georgia, 2015 Every special weather statement in 2015

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.