Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

May 9, 2012Emanuel County, Georgia

NWS Atlanta, GA issued this special weather statement at May 9, 2012, 12:40 PM EDT for Emanuel County, Georgia. It was in force for 35 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: May 9, 2012, 12:40 PM EDT (16:40 UTC)
Expired: May 9, 2012, 1:15 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA

County Emanuel County, GA

The radar

The Robins AFB radar (KJGX), 86 km from the middle of the area, began a volume at 16:44 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.7 hours before the alert went out and 230 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: 484 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 50 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 May 9, 10:26 AM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, May 9, 10:26 AM EDT, 2 hours 14 minutes before

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Hazardous weather outlook, May 9, 10:10 AM EDT, 2 hours 30 minutes before

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In the hours before

Special weather statement, May 9, 12:40 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1240 PM EDT WED MAY 9 2012

GAZ086-097-098-091715-
1240 PM EDT WED MAY 9 2012

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING AND HEAVY
RAIN IN TREUTLEN...LAURENS AND EMANUEL COUNTIES UNTIL 115 PM EDT...

AT 1239 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM MODOC TO MINTER...MOVING EAST AT 25 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS THEY MOVE
ACROSS TREUTLEN...LAURENS AND EMANUEL COUNTIES THROUGH 115 PM EDT.
SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE MINTER...
DELLWOOD...MODOC...ADRIAN...ROCKLEDGE...NORRISTOWN JUNCTION...
ORIANNA...SWAINSBORO...BLACKVILLE...CANOOCHEE...NORRISTOWN...COVENA
AND GARFIELD. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.

&&

LAT...LON 3261 8210 3248 8239 3241 8298 3259 8267
      3252 8267 3253 8257 3258 8260 3264 8251
      3265 8247 3268 8249 3271 8239 3273 8210
      3267 8207
TIME...MOT...LOC 1640Z 262DEG 21KT 3265 8231 3257 8250
          3246 8274

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 3:52 AM EDT	Special Weather Statement	FFC	Pike	38 min
May 9, 1:55 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	35 min
May 9, 3:46 PM EDT	Special Weather Statement	FFC	Crisp	29 min

Nearby

Special Weather Statements in Georgia, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.