Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

August 22, 2011Telfair County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 22, 2011, 5:39 PM EDT for Telfair County, Georgia. It was in force for 36 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, 2011, 5:39 PM EDT (21:39 UTC)
Expired
Aug 22, 2011, 6:15 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA

County Telfair County, GA

The radar

The Robins AFB radar (KJGX), 76 km from the middle of the area, began a volume at 21:40 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.7 hours before the alert went out and 215 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, Tallahassee Rgnl, FL at 12:00Z on 2011-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2283 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, Tallahassee Rgnl, FL at 12:00Z on 2011-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
2283 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
9 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, 3:41 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Aug 22, 3:41 PM EDT, 1 hour 58 minutes before
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Hazardous weather outlook, Aug 22, 3:46 AM EDT, 13 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
346 AM EDT MON AUG 22 2011

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-231145-
BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA-
CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA-
CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL-
FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE-
GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON-
JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON-
MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY-
MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH-
PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON-
SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS-
TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN-
WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES-
WILKINSON-
346 AM EDT MON AUG 22 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT
SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS PARTS OF CENTRAL
GEORGIA.

.SYNOPSIS...
A FRONTAL BOUNDARY WILL SETTLE ACROSS CENTRAL GEORGIA TODAY. A SERIES
OF UPPER DISTURBANCES WILL INTERACT WITH THE BOUNDARY TO PRODUCE
SCATTERED SHOWERS AND THUNDERSTORMS. BEHIND THE FRONT... A DRIER
AIR MASS WILL SPREAD IN OVER NORTH GEORGIA AND HINDER THUNDERSTORM
DEVELOPMENT THERE.

.PRIMARY HAZARDS...
WIND GUSTS TO 45 MPH...BRIEF HEAVY RAIN AND FREQUENT CLOUD TO GROUND
LIGHTNING WILL BE THE PRIMARY HAZARDS ASSOCIATED WITH MOST THUNDERSTORMS
THAT DEVELOP TODAY. HOWEVER...THERE IS A SLIGHT CHANCE A FEW STORMS
COULD BECOME SEVERE... WITH WIND GUSTS UP TO 60 MPH. THE GREATER
THUNDERSTORM THREAT WILL OCCUR BETWEEN NOON AND 10 PM AND MAINLY
EAST OF A LINE FROM AMERICUS TO MACON TO WARRENTON.

.DISCUSSION...
A WEAK FRONTAL BOUNDARY IS EXPECTED TO PUSH INTO CENTRAL GEORGIA DURING
AFTERNOON HEATING...AND PROVIDE THE FOCUS FOR THUNDERSTORMS AS A SERIES
OF UPPER DISTURBANCES TRAVERSE THE STATE. CAPE VALUES BETWEEN 2000
AND 2500 J/KG AND SOME MID LEVEL DRY AIR COULD COMBINE TO PRODUCE
STRONG THUNDERSTORM WIND GUSTS AT TIMES. THE THUNDERSTORM ACTIVITY
IS EXPECTED TO GREATLY DIMINISH BEFORE MIDNIGHT AS THE FRONT DRIFTS
FURTHER SOUTH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE ACROSS PARTS OF
CENTRAL GEORGIA ON TUESDAY AND WEDNESDAY. THUNDERSTORMS ARE
POSSIBLE ACROSS NORTH AND CENTRAL GEORGIA THURSDAY THROUGH
SUNDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Local storm report, Aug 22, 1:25 PM EDT, 4 hours 14 minutes before
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Local storm report, Aug 22, 1:26 PM EDT, 4 hours 13 minutes before
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Special weather statement, Aug 22, 5:39 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:08 PM EDTSpecial Weather StatementFFCWalton52 min
Aug 21, 8:28 PM EDTSpecial Weather StatementFFCGwinnett32 min
Aug 21, 8:34 PM EDTSpecial Weather StatementFFCBarrow26 min
Aug 21, 8:54 PM EDTSpecial Weather StatementFFCMeriwether36 min
Aug 21, 9:11 PM EDTSevere Thunderstorm WarningFFCMeriwether, Pike49 min
Aug 21, 9:29 PM EDTSpecial Weather StatementFFCMadison31 min
Aug 21, 10:04 PM EDTSpecial Weather StatementFFCMadison41 min
Aug 21, 10:45 PM EDTSpecial Weather StatementFFCWilkes30 min
Aug 21, 10:58 PM EDTSpecial Weather StatementFFCMorgan32 min
Aug 21, 11:12 PM EDTSpecial Weather StatementFFCLamar, Pike48 min
Aug 21, 11:14 PM EDTSpecial Weather StatementFFCWilkes46 min
Aug 22, 12:00 AM EDTSpecial Weather StatementFFCWilkes45 min
Aug 22, 12:05 AM EDTSpecial Weather StatementFFCGreene40 min
Aug 22, 12:37 AM EDTSpecial Weather StatementFFCGlascock, Hancock, Warren38 min
Aug 22, 1:01 AM EDTSpecial Weather StatementFFCHancock29 min
Aug 22, 5:55 PM EDTSpecial Weather StatementFFCCrisp35 min
Aug 22, 6:06 PM EDTSpecial Weather StatementFFCWheeler39 min
Aug 22, 7:07 PM EDTSpecial Weather StatementFFCDodge, Telfair, Wheeler38 min
Aug 22, 7:50 PM EDTSpecial Weather StatementFFCMontgomery, Treutlen40 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.