Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Sep 23, 2011, 1:20 AM EDT for Cobb County, Georgia. It was in force for 25 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
- Sep 23, 2011, 1:20 AM EDT (05:20 UTC)
- Expired
- Sep 23, 2011, 1:45 AM EDT
- In force
- 25 min
- Issued by
- NWS Atlanta, GA
County Cobb County, GA
The radar
The Atlanta radar (KFFC), 72 km from the middle of the area, began a volume at 05:22 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 text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Sep 22, 3:51 PM EDT, 9 hours 29 minutes earlier.
Area forecast discussion, Sep 22, 3:51 PM EDT, 9 hours 29 minutes before
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</html>Hazardous weather outlook, Sep 22, 4:54 AM EDT, 20 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 454 AM EDT THU SEP 22 2011 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-231000- 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- 454 AM EDT THU SEP 22 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...TODAY AND TONIGHT SCATTERED TO NUMEROUS THUNDERSTORMS EXPECTED TODAY AND TONIGHT. .SYNOPSIS... A STALLED UPPER TROUGH AND SURFACE BOUNDARY EXTENDED ACROSS SOUTHEAST GEORGIA INTO THE CAROLINAS. A DEEPENING UPPER TROUGH WAS DIGGING INTO THE CENTRAL U.S...WITH AN ASSOCIATED STRONG COLD FRONT. THE UPPER TROUGH ACROSS SOUTHEAST GEORGIA WILL MOVE LITTLE THROUGH FRIDAY...AWAITING THE ARRIVAL OF THE SYSTEM FROM THE NORTHWEST LATER ON FRIDAY TO FINALLY MOVE IT EASTWARD OUT OF THE STATE. .PRIMARY HAZARDS... THE PRIMARY HAZARD TODAY WILL BE LOCALLY HEAVY RAINFALL THAT MAY RESULT IN AREAS OF LOCALIZED FLOODING OR FLASH FLOODING. IN ADDITION... OCCASIONAL CLOUD-TO-GROUND LIGHTNING WILL BE A HAZARD WITH ANY THUNDERSTORMS. THUNDERSTORMS WILL BE POSSIBLE ACROSS ALL OF NORTH AND CENTRAL GEORGIA TODAY AND TONIGHT...BUT ARE EXPECTED TO BE MOST NUMEROUS ACROSS THE SOUTHEAST HALF OF THE STATE. .DISCUSSION... A STALLED UPPER TROUGH AND ASSOCIATED WEAK SURFACE TROUGH REMAINED ACROSS CENTRAL AND EAST CENTRAL GEORGIA...DELINEATING VERY MOIST TROPICAL AIR WITH DEWPOINTS IN THE 70S FROM SLIGHTLY DRIER AIR TO THE NORTHWEST...WHERE DEWPOINTS WERE IN THE MID TO UPPER 60S. BROAD SOUTHWEST FLOW ALOFT WAS PROVIDING AN AMPLE LIFTING MECHANISM FOR THE WARM...MOIST AIR RESULTING IN WIDESPREAD SHOWERS AND THUNDERSTORMS EARLY THIS MORNING. THIS PATTERN IS EXPECTED TO CONTINUE THROUGH TONIGHT. MEANWHILE...A MUCH STRONGER UPPER-LEVEL LOW PRESSURE AREA AND ASSOCIATED COLD FRONT WILL APPROACH THE STATE FROM THE NORTHWEST TONIGHT...THEN SWEEP SLOWLY THROUGH THE REGION FRIDAY AND FRIDAY NIGHT. THIS SYSTEM WILL PROVIDE ADDITIONAL DYNAMICS FOR MORE SHOWERS AND THUNDERSTORMS AS IT ENCOUNTERS THE VERY MOIST AIR MASS ACROSS THE STATE. HOWEVER...WEAK SHEAR AND MARGINAL INSTABILITY SHOULD PRECLUDE SEVERE THUNDERSTORMS. A GREATER CONCERN WILL BE LOCALLY HEAVY RAIN. WITH PRECIPITABLE WATER VALUES NEAR 2.0 INCHES...THUNDERSTORMS WILL BE EFFICIENT RAIN PRODUCERS. WITH PERSISTENT SOUTHWEST FLOW ALOFT...SOME TRAINING OF THUNDERSTORM AND SHOWER CELLS CAN BE EXPECTED...RESULTING IN EXCESSIVE RAINFALL IN SOME AREAS...HENCE FLOODING OR POSSIBLY EVEN LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE WILL BE A CONTINUED CHANCE FOR THUNDERSTORMS FRIDAY. ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE MONDAY THROUGH TUESDAY...MAINLY ACROSS NORTH GEORGIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS AND COCORAHS OBSERVERS ARE ENCOURAGED TO SUBMIT REPORTS OF HEAVY RAINFALL THROUGH THE WEB BY GOING TO WEATHER.GOV/ATLANTA. 19
In the hours before
Special weather statement, Sep 22, 7:35 PM EDT, 5 hours 45 minutes before
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</html>The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:46 PM EDT | Special Weather Statement | FFC | Hall | 29 min |
| Sep 22, 10:17 PM EDT | Special Weather Statement | FFC | Harris | 28 min |
| Sep 22, 11:04 PM EDT | Special Weather Statement | FFC | Harris | 41 min |
| Sep 23, 3:25 AM EDT | Special Weather Statement | FFC | Hancock | 65 min |
| Sep 23, 4:40 AM EDT | Special Weather Statement | FFC | Wilkes | 65 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; radar from the NEXRAD Level II archive.