Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Sep 22, 2011, 6:18 PM EDT for Dawson County, Forsyth County, Georgia. It was in force for 42 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 22, 2011, 6:18 PM EDT (22:18 UTC)
- Expired
- Sep 22, 2011, 7:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Atlanta, GA
Counties Dawson County, GA, Forsyth County, GA
The radar
The Atlanta radar (KFFC), 121 km from the middle of the area, began a volume at 22:20 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, 10.3 hours before the alert went out and 118 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
- 1248 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 682 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</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, 2 hours 27 minutes earlier.
Area forecast discussion, Sep 22, 3:51 PM EDT, 2 hours 27 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Sep 22, 4:54 AM EDT, 13 hours 24 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, 3:21 PM EDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
321 PM EDT THU SEP 22 2011
GAZ004-222000-
321 PM EDT THU SEP 22 2011
...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 35 MPH WINDS
IN WHITFIELD COUNTY UNTIL 400 PM EDT...
AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER TUNNEL HILL...MOVING NORTHEAST AT 10 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
WHITFIELD COUNTY THROUGH 400 PM EDT. SOME LOCATIONS IN THE PATH OF
THIS STORM INCLUDE TUNNEL HILL...VARNELL...BEAVERDALE AND COHUTTA.
HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.
SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50 MPH...
HAIL LESS THAN THE SIZE OF QUARTERS...OR SIGNIFICANT CLOUD-TO-GROUND
LIGHTNING.
&&
LAT...LON 3497 8481 3493 8484 3487 8482 3481 8504
3483 8506 3485 8506 3487 8505 3488 8501
3491 8502 3491 8501 3499 8497 3499 8484
TIME...MOT...LOC 1921Z 228DEG 9KT 3485 8500Special weather statement, Sep 22, 3:39 PM EDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
339 PM EDT THU SEP 22 2011
GAZ053-054-222045-
339 PM EDT THU SEP 22 2011
...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN COWETA AND FAYETTE
COUNTIES UNTIL 445 PM EDT...
AT 333 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS OVER THE AREA...MOVING NORTHEAST AT 5 MPH.
RAINFALL AMOUNTS BETWEEN 1 AND 3 INCHES CAN BE EXPECTED ACROSS
COWETA AND FAYETTE COUNTIES...INCLUDING AREAS AROUND THOMAS
CROSSROADS...SENOIA...TURIN...SHARPSBURG...MORELAND...STARRS
MILL...PEACHTREE CITY...CANNONGATE...TYRONE...KENWOOD...FAYETTEVILLE
AND SANDY CREEK. DRIVERS SHOULD USE CAUTION AS INTENSE RAINFALL WILL
REDUCE VISIBILITIES. PONDING OF WATER ON ROADWAYS IS ALSO LIKELY.
&&
LAT...LON 3324 8493 3351 8462 3350 8461 3352 8459
3355 8448 3355 8444 3351 8442 3350 8442
3348 8439 3342 8440 3323 8460
TIME...MOT...LOC 1938Z 228DEG 3KT 3337 8458Special weather statement, Sep 22, 5:23 PM EDT, 55 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Sep 22, 5:38 PM EDT, 40 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Sep 22, 6:07 PM EDT, 11 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Sep 22, 6:18 PM EDT, 0 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 2:28 AM EDT | Special Weather Statement | FFC | Banks | 62 min |
| Sep 22, 2:58 AM EDT | Special Weather Statement | FFC | Coweta | 47 min |
| Sep 22, 6:42 AM EDT | Special Weather Statement | FFC | Cherokee | 63 min |
| Sep 22, 7:15 AM EDT | Special Weather Statement | FFC | Gilmer | 45 min |
| Sep 22, 1:33 PM EDT | Special Weather Statement | FFC | Laurens | 42 min |
| Sep 22, 2:01 PM EDT | Special Weather Statement | FFC | Haralson | 44 min |
| Sep 22, 2:10 PM EDT | Severe Thunderstorm Warning | FFC | Carroll | 35 min |
| Sep 22, 2:32 PM EDT | Special Weather Statement | FFC | Montgomery, Treutlen | 43 min |
| Sep 22, 2:49 PM EDT | Special Weather Statement | FFC | Cherokee | 26 min |
| Sep 22, 2:54 PM EDT | Special Weather Statement | FFC | Floyd | 36 min |
| Sep 22, 3:01 PM EDT | Special Weather Statement | FFC | Fayette | 29 min |
| Sep 22, 3:09 PM EDT | Special Weather Statement | FFC | Dawson | 36 min |
| Sep 22, 3:11 PM EDT | Special Weather Statement | FFC | Toombs | 49 min |
| Sep 22, 3:21 PM EDT | Special Weather Statement | FFC | Whitfield | 39 min |
| Sep 22, 3:39 PM EDT | Special Weather Statement | FFC | Coweta, Fayette | 66 min |
| Sep 22, 4:30 PM EDT | Flash Flood Warning | FFC | Coweta, Fayette | 3 hr |
| Sep 22, 5:23 PM EDT | Special Weather Statement | FFC | Cherokee, Pickens | 37 min |
| Sep 22, 5:38 PM EDT | Special Weather Statement | FFC | Dawson, Lumpkin | 37 min |
| Sep 22, 6:07 PM EDT | Special Weather Statement | FFC | Troup | 38 min |
| Sep 22, 6:39 PM EDT | Flash Flood Warning | FFC | Cherokee, Dawson, Forsyth | 4 hr |
| Sep 22, 6:46 PM EDT | Special Weather Statement | FFC | Troup | 44 min |
| Sep 22, 7:06 PM EDT | Special Weather Statement | FFC | Henry | 24 min |
| Sep 22, 7:17 PM EDT | Special Weather Statement | FFC | Lumpkin | 43 min |
| Sep 22, 7:35 PM EDT | Special Weather Statement | FFC | Hall | 25 min |
| Sep 22, 7:42 PM EDT | Special Weather Statement | FFC | Troup | 63 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.