Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

July 14, 2011Oglethorpe County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 14, 2011, 8:45 AM EDT for Oglethorpe County, Georgia. It was in force for 30 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
Jul 14, 2011, 8:45 AM EDT (12:45 UTC)
Expired
Jul 14, 2011, 9:15 AM EDT
In force
30 min
Issued by
NWS Atlanta, GA

County Oglethorpe County, GA

The radar

The Greer radar (KGSP), 128 km from the middle of the area, began a volume at 12:44 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.8 hours before the alert went out and 150 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 2011-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1607 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 2011-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
1607 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-29 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 Jul 14, 7:30 AM EDT, 1 hour 15 minutes earlier.

Area forecast discussion, Jul 14, 7:30 AM EDT, 1 hour 15 minutes before
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Hazardous weather outlook, Jul 14, 5:38 AM EDT, 3 hours 7 minutes before
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In the hours before

Local storm report, Jul 14, 5:32 AM EDT, 3 hours 13 minutes before
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Special weather statement, Jul 14, 8:45 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
845 AM EDT THU JUL 14 2011

GAZ036-038-141315-
845 AM EDT THU JUL 14 2011

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN OGLETHORPE
AND CLARKE COUNTIES UNTIL 915 AM EDT...

AT 843 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SANDY CROSS...MOVING NORTHEAST AT 5 MPH.

LIGHTNING DETECTION SYSTEMS INDICATE NUMEROUS CLOUD-TO-GROUND
LIGHTNING STRIKES ACROSS OGLETHORPE AND CLARKE COUNTIES...INCLUDING
AREAS AROUND DUNLAP...STEPHENS...SMITHONIA...LEXINGTON...HUTCHINGS...
CRAWFORD...ARNOLDSVILLE...WINTERVILLE...SANDY CROSS...POINT PETER AND
VESTA. RESIDENTS IN THIS AREA SHOULD STAY INDOORS. ELECTRICAL
APPLIANCES AND TELEPHONES SHOULD NOT BE USED UNLESS IN AN EMERGENCY.

&&

LAT...LON 3383 8295 3372 8313 3395 8334 3405 8312
      3403 8311 3403 8309 3401 8305 3403 8303
      3405 8297 3404 8295 3392 8287
TIME...MOT...LOC 1245Z 242DEG 3KT 3392 8310

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 1:32 PM EDTSpecial Weather StatementFFCCrawford28 min
Jul 14, 1:48 PM EDTSpecial Weather StatementFFCChattahoochee27 min
Jul 14, 1:49 PM EDTSpecial Weather StatementFFCJeff Davis26 min
Jul 14, 1:52 PM EDTSpecial Weather StatementFFCMuscogee23 min
Jul 14, 2:06 PM EDTSpecial Weather StatementFFCWilcox24 min
Jul 14, 2:14 PM EDTSpecial Weather StatementFFCMuscogee31 min
Jul 14, 2:32 PM EDTSpecial Weather StatementFFCStewart28 min
Jul 14, 2:39 PM EDTSevere Thunderstorm WarningFFCStewart51 min
Jul 14, 2:57 PM EDTSpecial Weather StatementFFCDooly, Pulaski33 min
Jul 14, 3:02 PM EDTSpecial Weather StatementFFCTroup28 min
Jul 14, 3:06 PM EDTSpecial Weather StatementFFCStewart24 min
Jul 14, 3:23 PM EDTSpecial Weather StatementFFCTelfair, Wheeler37 min
Jul 14, 3:31 PM EDTSpecial Weather StatementFFCToombs29 min
Jul 14, 3:33 PM EDTSpecial Weather StatementFFCStewart, Webster27 min
Jul 14, 3:49 PM EDTSpecial Weather StatementFFCTelfair26 min
Jul 14, 3:57 PM EDTSpecial Weather StatementFFCCrisp33 min
Jul 14, 4:08 PM EDTSpecial Weather StatementFFCSumter, Webster37 min
Jul 14, 4:32 PM EDTSpecial Weather StatementFFCCrisp43 min
Jul 14, 4:34 PM EDTSpecial Weather StatementFFCDodge, Laurens41 min
Jul 14, 4:41 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Sumter34 min
Jul 14, 5:12 PM EDTSpecial Weather StatementFFCSumter48 min
Jul 14, 5:41 PM EDTSpecial Weather StatementFFCEmanuel, Johnson49 min
Jul 14, 5:47 PM EDTSpecial Weather StatementFFCCrawford, Houston, Peach43 min
Jul 14, 6:16 PM EDTSpecial Weather StatementFFCTalbot44 min
Jul 14, 6:19 PM EDTSpecial Weather StatementFFCJohnson26 min
Jul 14, 6:25 PM EDTSpecial Weather StatementFFCEmanuel35 min
Jul 14, 6:52 PM EDTSpecial Weather StatementFFCHarris38 min
Jul 14, 6:55 PM EDTSevere Thunderstorm WarningFFCHarris, Talbot35 min
Jul 14, 6:58 PM EDTSpecial Weather StatementFFCGlascock, Warren47 min
Jul 14, 7:00 PM EDTSpecial Weather StatementFFCCatoosa, Whitfield30 min
Jul 14, 7:17 PM EDTSpecial Weather StatementFFCCoweta, Pike43 min
Jul 14, 7:26 PM EDTSpecial Weather StatementFFCHarris49 min
Jul 14, 7:32 PM EDTSpecial Weather StatementFFCLamar43 min
Jul 14, 7:38 PM EDTSpecial Weather StatementFFCJefferson, Washington52 min
Jul 14, 7:56 PM EDTSpecial Weather StatementFFCHeard49 min

Nearby

Special Weather Statements in Georgia, 2011Every special weather statement in 2011

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.