Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 22, 2011, 12:00 AM EDT for Wilkes County, Georgia. It was in force for 45 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, 12:00 AM EDT (04:00 UTC)
- Expired
- Aug 22, 2011, 12:45 AM EDT
- In force
- 45 min
- Issued by
- NWS Atlanta, GA
County Wilkes County, GA
The radar
The Greer radar (KGSP), 128 km from the middle of the area, began a volume at 04:00 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 00:00Z, 4.0 hours before the alert went out and 177 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
- 2527 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.2
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 Aug 21, 10:09 PM EDT, 1 hour 51 minutes earlier.
Area forecast discussion, Aug 21, 10:09 PM EDT, 1 hour 51 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1009 PM EDT SUN AUG 21 2011 .UPDATE... COVERAGE OF THUNDERSTORMS HAS BEGUN TO DECREASE THIS EVENING...STORMS MAY CONTINUE PAST MIDNIGHT THOUGH. QUICK UPDATE TO DROP POPS ACROSS MOST OF NORTH GEORGIA. LEFT SLIGHT CHANCE ACROSS THE REST OF THE CWA. TEMPERATURES WERE A LITTLE COOLER ACROSS THE ATLANTA METRO AREA DUE TO THE RAIN EARLIER THIS EVENING BUT GENERALLY THINK THE MIN TEMPS ARE ON TRACK SO JUST MINOR TWEAKS TO HOURLY TEMPS. 11 && .PREV DISCUSSION... SHORT TERM /TONIGHT THROUGH TUESDAY NIGHT/... /ISSUED 355 PM EDT SUN AUG 21 2011/ MODELS STILL RETROGRADING UPPER RIDGE WESTWARD DURING THE SHORT TERM FORECAST PERIOD...BUT AS I EXPECTED EARLIER...THEY ARE NOT PUSHING IT AS FAR WEST AS PREVIOUS RUNS. ULTIMATE EFFECT IS THE SAME FOR NORTH AND CENTRAL GEORGIA THROUGH THIS PERIOD...WEAK COLD FRONT IN NORTH GEORGIA CONTINUES TO SINK SOUTH TONIGHT. CURRENTLY THE CONVECTIVE COVERAGE ACROSS THE FORECAST AREA IS UNDERWHELMING...BUT I AM NOT COMFORTABLE DROPPING POPS TOO LOW THIS EVENING. I AM ACTUALLY GOING A BIT ABOVE MOS POPS TONIGHT BUT NOT ABOVE CHANCE CATEGORY. DRIER AIR FILTERS IN FROM THE NORTH THROUGH TUESDAY...BUT SOME MARGINAL INSTABILITY AND MOISTURE LINGERS ALONG OUR SOUTHERN BORDER TO KEEP LOW POPS THERE THROUGH THE PERIOD. LONG TERM /WEDNESDAY THROUGH SUNDAY/... /ISSUED 355 PM EDT SUN AUG 21 2011/ LONG TERM FORECAST PERIOD REMAINS A GOOD BIT UNCERTAIN WITH RESPECT TO TRACK OF IRENE. MEDIUM RANGE MODELS CONTINUE TO TREND EASTWARD WITH THE TRACK OF THE SYSTEM...WHICH IS CONSISTENT WITH THE TREND OF NOT RETROGRADING THE WESTERN U.S. UPPER RIDGE AS FAR WESTWARD. THE GFS AND ECMWF ARE ALSO BUILDING THIS RIDGE BACK EAST SOONER. 00Z ECMWF RUN FROM YESTERDAY ACTUALLY BRIDGED THE WESTERN U.S. UPPER RIDGE AND THE WESTERN ATLANTIC RIDGE CAUSING IRENE TO STOP ITS RE-CURVE AND VEER WEST INTO CENTRAL GEORGIA BRIEFLY. THANKFULLY THAT TREND WAS SHORT LIVED...AND THE 12Z GFS AND ECMWF ARE ONCE AGAIN IN QUITE REMARKABLE AGREEMENT WITH RESPECT TO THIS SYSTEM. GEORGIA IS CURRENTLY BEYOND THE END OF THE OFFICIAL TRACK FROM THE TPC...BUT CURRENT GFS/ECMWF SOLUTION WOULD PROVIDE MINIMAL EFFECT FOR ALL BUT OUR FAR EAST AND SOUTHEAST COUNTIES. FOR NOW I AM MAKING NO CHANGES TO THE CURRENT EXTENDED GRIDS. AVIATION... 00Z UPDATE... /ISSUED 801 PM EDT SUN AUG 21 2011/ CONVECTION WAS LATER THAN EXPECTED BUT TSRA HAS AFFECTED MOST OF THE ATL AND SURROUNDING TAF SITES THIS EVENING. POTENTIAL EXISTS FOR THIS TO LINGER FOR ANOTHER 2 TO 3 HOURS BEFORE SHIFTING SOUTHWARD. ONLY CARRYING CB FOR MCN AND CSG AT THIS TIME BUT CONVERGENCE ZONE COULD ALLOW DEVELOPMENT INTO THE LATE EVENING AND WILL NEED TO MONITOR FOR TEMPO INCLUSION. OTHERWISE...DRIER CONDITIONS TO INFILTRATE THE AREA WITH JUST SCT VFR CLOUDS EXPECTED FOR MONDAY AFTERNOON. //ATL CONFIDENCE...00Z UPDATE... MEDIUM ON TSRA ENDING TIME HIGH ON REMAINING ELEMENTS DEESE && .PRELIMINARY POINT TEMPS/POPS... ATHENS 71 93 67 93 / 20 10 10 10 ATLANTA 74 91 69 90 / 20 10 5 10 BLAIRSVILLE 66 88 62 85 / 10 10 5 10 CARTERSVILLE 69 92 63 90 / 10 10 5 10 COLUMBUS 74 94 71 92 / 20 30 10 10 GAINESVILLE 72 90 68 89 / 20 10 5 10 MACON 72 93 69 92 / 20 30 20 10 ROME 69 92 63 90 / 10 10 5 10 PEACHTREE CITY 69 91 64 90 / 20 10 10 10 VIDALIA 74 94 73 92 / 20 40 30 20 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. &&
Hazardous weather outlook, Aug 21, 4:45 PM EDT, 7 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 445 PM EDT SUN AUG 21 2011 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-221200- 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- 445 PM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...THIS EVENING AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED. .SYNOPSIS... A WEAK SURFACE TROUGH WILL PUSH ACROSS NORTH GEORGIA AND INTO CENTRAL GEORGIA. A SERIES OF UPPER DISTURBANCES WILL INTERACT WITH THE SURFACE BOUNDARY TO PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS. .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. .DISCUSSION... A WEAK SURFACE TROUGH OF LOW PRESSURE WILL MEANDER IN CENTRAL GEORGIA. THE SURFACE TROUGH WILL 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 BY MIDNIGHT WITH LOSS OF DAYTIME HEATING. HOWEVER... ISOLATED SHOWERS MAY LINGER OVERNIGHT ACROSS CENTRAL GEORGIA NEAR THE SURFACE TROUGH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE ACROSS MAINLY CENTRAL GEORGIA ON MONDAY AND TUESDAY. THUNDERSTORMS ARE POSSIBLE ACROSS NORTH AND CENTRAL GEORGIA WEDNESDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.
In the hours before
Special weather statement, Aug 21, 10:04 PM EDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1004 PM EDT SUN AUG 21 2011
GAZ027-038-039-220245-
1004 PM EDT SUN AUG 21 2011
...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN WILKES...
OGLETHORPE AND MADISON COUNTIES UNTIL 1045 PM EDT...
AT 957 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PAOLI...MOVING SOUTHEAST AT 15 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
WILKES...OGLETHORPE AND MADISON COUNTIES THROUGH 1045 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE PAOLI...CARLTON...POINT
PETER...JACKSONS CROSSROADS...MALLORYSVILLE...NORMAN AND VESTA. BRIEF
HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.
&&
LAT...LON 3412 8322 3425 8310 3423 8307 3417 8309
3401 8293 3402 8291 3399 8286 3400 8283
3398 8279 3399 8266 3398 8264 3388 8260
3387 8256 3382 8259 3368 8251
TIME...MOT...LOC 0204Z 308DEG 13KT 3414 8307Special weather statement, Aug 21, 10:45 PM EDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1045 PM EDT SUN AUG 21 2011
GAZ039-220315-
1045 PM EDT SUN AUG 21 2011
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN WILKES
COUNTY UNTIL 1115 PM EDT...
AT 1039 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER DELHI...MOVING SOUTHEAST AT 20 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE 35 MPH WINDS. IN
ADDITION...LIGHTNING DETECTION SYSTEMS INDICATE NUMEROUS
CLOUD-TO-GROUND LIGHTNING STRIKES ACROSS WILKES COUNTY...INCLUDING
AREAS AROUND DELHI...TIGNALL...DANBURG...FLORAL HILL...METASVILLE
AND HOLLIDAY PARK. RESIDENTS IN THIS AREA SHOULD STAY INDOORS.
ELECTRICAL APPLIANCES AND TELEPHONES SHOULD NOT BE USED UNLESS IN AN
EMERGENCY.
&&
LAT...LON 3364 8253 3379 8279 3399 8273 3399 8267
3398 8264 3388 8260 3387 8256 3382 8259
3366 8249 3365 8249
TIME...MOT...LOC 0244Z 294DEG 18KT 3389 8264Special weather statement, Aug 21, 10:58 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1058 PM EDT SUN AUG 21 2011 GAZ049-050-060-220330- 1058 PM EDT SUN AUG 21 2011 ...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN PUTNAM...MORGAN AND GREENE COUNTIES UNTIL 1130 PM EDT... AT 1056 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER MADISON...MOVING SOUTHEAST AT 15 MPH. THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS PUTNAM...MORGAN AND GREENE COUNTIES THROUGH 1130 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE MADISON...BUCKHEAD... HARMONY...ROCK EAGLE 4-H CENTER...CAREY...PARKS MILL AND SWORDS. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS. && LAT...LON 3353 8320 3336 8338 3358 8363 3371 8349 TIME...MOT...LOC 0258Z 312DEG 12KT 3359 8348
Special weather statement, Aug 21, 11:12 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1112 PM EDT SUN AUG 21 2011
GAZ068>071-220400-
1112 PM EDT SUN AUG 21 2011
...SIGNIFICANT WEATHER ADVISORY FOR 50 MPH WINDS IN PIKE...MONROE...
LAMAR AND UPSON COUNTIES UNTIL MIDNIGHT EDT...
AT 1105 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ZEBULON...MOVING EAST AT 15 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 50 MPH AS IT MOVES ACROSS
PIKE...MONROE...LAMAR AND UPSON COUNTIES THROUGH MIDNIGHT EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE
MEANSVILLE...ZEBULON...PIEDMONT...MILNER...LIBERTY
HILL...ALDORA...BARNESVILLE...COLLIER...BRENT...REDBONE...JOHNSTONVIL
LE AND GOGGINS. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.
&&
LAT...LON 3319 8434 3319 8423 3318 8422 3318 8416
3311 8394 3289 8406 3307 8440
TIME...MOT...LOC 0312Z 287DEG 11KT 3313 8426Special weather statement, Aug 21, 11:14 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1114 PM EDT SUN AUG 21 2011
GAZ039-051-062-220400-
1114 PM EDT SUN AUG 21 2011
...SIGNIFICANT WEATHER ADVISORY FOR 35 MPH WINDS IN WILKES...WARREN
AND TALIAFERRO COUNTIES UNTIL MIDNIGHT EDT...
AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ROCKY CREEK FIRE DEPT....MOVING SOUTHEAST AT
15 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
WILKES...WARREN AND TALIAFERRO COUNTIES THROUGH MIDNIGHT EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE
LUNDBERG...FICKLIN...WASHINGTON...AONIA...ROCKY CREEK FIRE DEPT. AND
CADLEY. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.
&&
LAT...LON 3363 8255 3363 8260 3360 8264 3352 8260
3349 8261 3347 8268 3371 8283 3379 8264
3365 8251
TIME...MOT...LOC 0314Z 333DEG 12KT 3367 8268Special weather statement, Aug 22, 12:00 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1200 AM EDT MON AUG 22 2011
GAZ039-220445-
1200 AM EDT MON AUG 22 2011
...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN WILKES COUNTY
UNTIL 1245 AM EDT...
AT 1156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER TIGNALL...MOVING SOUTHEAST AT 20 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
WILKES COUNTY THROUGH 1245 AM EDT. SOME LOCATIONS IN THE PATH OF THIS
STORM INCLUDE DELHI...JACKSONS CROSSROADS...MALLORYSVILLE...
NEWTOWN...NORMAN...TIGNALL...DANBURG...WASHINGTON...FLORAL HILL...
FLORAL HILL...METASVILLE...ROCKY CREEK FIRE DEPT....AONIA AND
HOLLIDAY PARK. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.
&&
LAT...LON 3363 8255 3363 8260 3361 8263 3360 8266
3388 8290 3392 8288 3395 8279 3398 8278
3399 8265 3388 8260 3387 8256 3382 8259
3365 8249
TIME...MOT...LOC 0401Z 312DEG 15KT 3385 8268The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:08 PM EDT | Special Weather Statement | FFC | Walton | 52 min |
| Aug 21, 8:28 PM EDT | Special Weather Statement | FFC | Gwinnett | 32 min |
| Aug 21, 8:34 PM EDT | Special Weather Statement | FFC | Barrow | 26 min |
| Aug 21, 8:54 PM EDT | Special Weather Statement | FFC | Meriwether | 36 min |
| Aug 21, 9:11 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether, Pike | 49 min |
| Aug 21, 9:29 PM EDT | Special Weather Statement | FFC | Madison | 31 min |
| Aug 21, 10:04 PM EDT | Special Weather Statement | FFC | Madison | 41 min |
| Aug 21, 10:45 PM EDT | Special Weather Statement | FFC | Wilkes | 30 min |
| Aug 21, 10:58 PM EDT | Special Weather Statement | FFC | Morgan | 32 min |
| Aug 21, 11:12 PM EDT | Special Weather Statement | FFC | Lamar, Pike | 48 min |
| Aug 21, 11:14 PM EDT | Special Weather Statement | FFC | Wilkes | 46 min |
| Aug 22, 12:05 AM EDT | Special Weather Statement | FFC | Greene | 40 min |
| Aug 22, 12:37 AM EDT | Special Weather Statement | FFC | Glascock, Hancock, Warren | 38 min |
| Aug 22, 1:01 AM EDT | Special Weather Statement | FFC | Hancock | 29 min |
| Aug 22, 5:39 PM EDT | Special Weather Statement | FFC | Telfair | 36 min |
| Aug 22, 5:55 PM EDT | Special Weather Statement | FFC | Crisp | 35 min |
| Aug 22, 6:06 PM EDT | Special Weather Statement | FFC | Wheeler | 39 min |
| Aug 22, 7:07 PM EDT | Special Weather Statement | FFC | Dodge, Telfair, Wheeler | 38 min |
| Aug 22, 7:50 PM EDT | Special Weather Statement | FFC | Montgomery, Treutlen | 40 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.