Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Sep 5, 2011, 6:04 PM EDT for Gwinnett County, Hall County, Georgia. It was in force for 41 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 5, 2011, 6:04 PM EDT (22:04 UTC)
- Expired
- Sep 5, 2011, 6:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Atlanta, GA
Counties Gwinnett County, GA, Hall County, GA
The radar
The Atlanta radar (KFFC), 113 km from the middle of the area, began a volume at 22:05 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, 10.1 hours before the alert went out and 109 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.
- Mixed-layer CAPE
- 279 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
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 5, 4:16 PM EDT, 1 hour 48 minutes earlier.
Area forecast discussion, Sep 5, 4:16 PM EDT, 1 hour 48 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 458 PM EDT MON SEP 5 2011 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-062100- 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- 458 PM EDT MON SEP 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...TONIGHT HEAVY RAIN AND ISOLATED TORNADOES ARE EXPECTED ACROSS PORTIONS OF NORTH AND CENTRAL GEORGIA THROUGH TONIGHT. .SYNOPSIS... TROPICAL DEPRESSION LEE WILL MOVE SLOWLY NORTHEAST THROUGH TONIGHT AS A COLD FRONT APPROACHES NORTH GEORGIA. .PRIMARY HAZARDS... THE PRIMARY HAZARDS WILL BE HEAVY RAIN AND ISOLATED TORNADOES ACROSS NORTH AND CENTRAL GEORGIA. THE MOST LIKELY AREA FOR HEAVY RAIN WILL BE NORTH OF A LINE FROM LAGRANGE TO EATONTON TO WASHINGTON. .DISCUSSION... THE EFFECTS OF TROPICAL DEPRESSION LEE WILL CONTINUE TO SPREAD NORTHEAST ACROSS CENTRAL AND NORTH GEORGIA THROUGH TONIGHT WITH DEEP TROPICAL MOISTURE AND MODERATE TO STRONG LOW LEVEL SHEAR. WITH THE TROPICAL ATMOSPHERE IN PLACE...RAINFALL WILL BE HEAVY AT TIMES. NORTH AND PORTIONS OF CENTRAL GEORGIA WILL RECEIVE AN ADDITIONAL 3 TO 5 INCHES OF RAINFALL WHICH WILL RESULT IN INCREASING RUNOFF AND POSSIBLE FLOODING ON CREEKS AND STREAMS. INSTABILITY IS NOT EXPECTED TO BE HIGH...HOWEVER THE INCREASING LOW LEVEL SHEAR WILL MAKE ISOLATED TORNADOES POSSIBLE THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE OF THUNDERSTORMS EACH DAY...EXCEPT THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED FOR THIS EVENING ACROSS NORTH AND CENTRAL GEORGIA.
In the hours before
Local storm report, Sep 5, 5:39 PM EDT, 25 minutes before
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</html>Local storm report, Sep 5, 5:53 PM EDT, 11 minutes before
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</html>Local storm report, Sep 5, 6:02 PM EDT, 2 minutes before
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</html>Special weather statement, Sep 5, 6:04 PM EDT, 0 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 5, 12:21 PM EDT | River Flood Warning | FFC | Dade | 59 hr |
| Sep 5, 12:22 PM EDT | Tornado Warning | FFC | Carroll, Haralson, Paulding | 23 min |
| Sep 5, 12:39 PM EDT | Tornado Warning | FFC | Troup | 36 min |
| Sep 5, 1:14 PM EDT | Tornado Warning | FFC | Heard, Troup | 20 min |
| Sep 5, 1:44 PM EDT | Tornado Warning | FFC | Carroll, Coweta | 31 min |
| Sep 5, 1:55 PM EDT | Tornado Warning | FFC | Douglas | 35 min |
| Sep 5, 2:10 PM EDT | Tornado Warning | FFC | Carroll, Heard | 35 min |
| Sep 5, 2:19 PM EDT | Tornado Warning | FFC | Harris, Muscogee | 41 min |
| Sep 5, 2:27 PM EDT | Tornado Warning | FFC | Cobb, Paulding | 48 min |
| Sep 5, 2:48 PM EDT | Flash Flood Warning | FFC | Catoosa, Dade, Walker | 6 hr |
| Sep 5, 2:48 PM EDT | Tornado Warning | FFC | Cherokee | 42 min |
| Sep 5, 2:56 PM EDT | Tornado Warning | FFC | Heard, Troup | 34 min |
| Sep 5, 2:58 PM EDT | Tornado Warning | FFC | Harris, Meriwether, Troup | 39 min |
| Sep 5, 3:00 PM EDT | Special Weather Statement | FFC | Bleckley, Pulaski | 30 min |
| Sep 5, 3:18 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Heard | 42 min |
| Sep 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Houston, Pulaski, Twiggs | 25 min |
| Sep 5, 3:23 PM EDT | Tornado Warning | FFC | Coweta, Meriwether | 37 min |
| Sep 5, 3:26 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 34 min |
| Sep 5, 3:27 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 33 min |
| Sep 5, 3:29 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 31 min |
| Sep 5, 3:46 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 44 min |
| Sep 5, 3:50 PM EDT | Tornado Warning | FFC | Coweta, Fayette | 40 min |
| Sep 5, 3:57 PM EDT | Tornado Warning | FFC | Carroll, Cobb, Douglas, Paulding | 48 min |
| Sep 5, 4:01 PM EDT | Tornado Warning | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens, Union | 44 min |
| Sep 5, 4:16 PM EDT | Tornado Warning | FFC | Morgan, Oconee | 29 min |
| Sep 5, 4:24 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Douglas, Fulton | 36 min |
| Sep 5, 4:28 PM EDT | Tornado Warning | FFC | Clayton, DeKalb, Fulton, Henry | 47 min |
| Sep 5, 4:34 PM EDT | Tornado Warning | FFC | Jefferson | 20 min |
| Sep 5, 4:35 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 40 min |
| Sep 5, 4:41 PM EDT | Tornado Warning | FFC | Greene, Morgan, Oconee | 49 min |
| Sep 5, 4:43 PM EDT | Tornado Warning | FFC | Clarke, Oconee, Oglethorpe | 47 min |
| Sep 5, 4:49 PM EDT | Tornado Warning | FFC | Cobb, Douglas, Fulton | 41 min |
| Sep 5, 4:57 PM EDT | Special Weather Statement | FFC | Crawford | 48 min |
| Sep 5, 5:02 PM EDT | Tornado Warning | FFC | Crawford | 18 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Cherokee, Dawson, Pickens | 44 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Madison | 44 min |
| Sep 5, 5:30 PM EDT | Special Weather Statement | FFC | Cobb | 30 min |
| Sep 5, 6:07 PM EDT | Tornado Warning | FFC | Jasper, Jones, Putnam | 24 min |
| Sep 5, 6:57 PM EDT | Special Weather Statement | FFC | Towns | 33 min |
| Sep 5, 7:21 PM EDT | Special Weather Statement | FFC | Cherokee | 39 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.