Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Nov 22, 2011, 4:16 PM EST for Heard County, Georgia. It was in force for 59 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
- Nov 22, 2011, 4:16 PM EST (21:16 UTC)
- Expired
- Nov 22, 2011, 5:15 PM EST
- In force
- 59 min
- Issued by
- NWS Atlanta, GA
County Heard County, GA
The radar
The Atlanta radar (KFFC), 46 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 52 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
- 21 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Nov 22, 2:27 PM EST, 1 hour 49 minutes earlier.
Area forecast discussion, Nov 22, 2:27 PM EST, 1 hour 49 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PEACHTREE CITY GA 227 PM EST TUE NOV 22 2011 .SHORT TERM /TONIGHT THROUGH THURSDAY/... LATEST ANALYSIS SHOWS A SURFACE LOW PUSHING INTO THE OHIO VALLEY WITH A TRAILING COLD FRONT APPROACHING THE MISSISSIPPI RIVER VALLEY REGION. REGIONAL RADARS SHOW A LINE OF SHOWERS AND THUNDERSTORMS WELL AHEAD OF THE COLD FRONT...DEEP IN THE WARM SECTOR... STRETCHING FROM SW LA INTO CENTRAL TN. LOCAL RADARS SHOW A WEAK LINE OF SHOWERS AND THUNDERSTORMS MOVING INTO NW GA...BUT AREA INSTABILITIES REMAIN WEAK WITH SOME MID LEVEL CAPPING/WARM AIR HELPING TO HINDER STRONG STORM DEVELOPMENT. A COUPLE OF HIGH RESOLUTION MODELS HAVE INITIALIZED WELL WITH THIS FIRST LINE OF CONVECTION... SUGGESTING THE INITIAL ACTIVITY WILL PUSH DOWN INTO THE ATLANTA AREA BY EARLY EVENING (6-8PM)...THEN ACROSS MUCH OF CENTRAL GA THROUGH MIDNIGHT. THEN MODELS SHOW ANOTHER ROUND OF CONVECTION DEVELOPING ALONG AND JUST AHEAD OF THE COLD FRONT AND PUSHING ACROSS THE AREA AFTER MIDNIGHT. MODEL INSTABILITIES REMAIN MODEST AT BEST WITH MAYBE 500-800 J/KG AFTERNOON CAPES DECREASING TO UNDER 400 J/KG BY MIDNIGHT. THIS COUPLED WITH WEAKENING UPPER SUPPORT AND LACK OF STRONG FRONTAL FORCING SUGGEST A LESSENING CHANCE FOR SEVERE STORMS THIS EVENING AND OVERNIGHT. THEREFORE... EXPECT THE GREATER SEVERE STORM THREAT TO REMAIN WEST OF THE STATE THIS AFTERNOON AND EVENING... WITH OCCASIONAL CLOUD TO GROUND LIGHTNING AND MAYBE WIND GUSTS TO 45 MPH BEING THE MAIN STORM THREATS THIS EVENING AND OVERNIGHT. HOWEVER...FOR NOW... WILL CONTINUE TO PLAY IT SAFE AND WORD FOR A FEW STORMS POSSIBLY SEVERE IN THE FORECAST FOR THIS EVENING... BUT SUSPECT WE CAN BACK OFF ON THIS SLIGHT THREAT BY MID EVENING IF CURRENT WEAKENING TRENDS CONTINUE. OTHERWISE...SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS SHOULD PUSH SOUTH AND EAST OF NORTH GA LATE TONIGHT...THEN CENTRAL GA BY MID- LATE WEDNESDAY MORNING AS THE COLD FRONT PUSHES TO THE GA COAST BY EARLY WEDNESDAY AFTERNOON. BEHIND THE FRONT...HIGH PRESSURE AND A MUCH COOLER/DRIER AIR MASS WILL SETTLE OVER THE REGION... RETURNING MORE SEASONABLE TEMPS TO THE REGION FOR WEDNESDAY NIGHT AND THANKSGIVING DAY. .LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/... HIGH PRESSURE WILL DOMINANT THE AREA INTO SATURDAY. EXTENDED MODELS ARE SIMILAR SHIFTING THE RIDGE EASTWARD SATURDAY NIGHT AS A COLD FRONT PUSHES INTO THE MISSISSIPPI RIVER VALLEY. MODELS SHOW DEEPER MOISTURE SPREADING IN OVER THE REGION SATURDAY-SATURDAY NIGHT AHEAD OF THE APPROACHING COLD FRONT...STILL PROGGED TO PUSH ACROSS THE AREA ON SUNDAY. WILL CONTINUE TO SHOW A CHANCE OF MAINLY SHOWERS SATURDAY NIGHT-SUNDAY TIME-FRAME AS INSTABILITIES APPEAR VERY WEAK AT THIS TIME. HOWEVER... A SHARP UPPER SHORT WAVE TROUGH COULD WARRANT ADDING THE MENTION OF THUNDER IF PERSIST ON LATER MODEL RUNS. FRONT PUSHES EAST BY EARLY MONDAY...BUT WRAP AROUND MOISTURE AND LIGHT PRECIP MAY LINGER ACROSS NORTH GEORGIA INTO MONDAY NIGHT. BEHIND THE FRONT...MODELS CONTINUE TO SHOW MUCH COOLER TEMPERATURES BEHIND THIS FRONT...AND MAY NOT SEE SOME AREAS ACROSS NORTH GEORGIA GET OUT OF THE 40S ON MONDAY. && .AVIATION... 18Z UPDATE... BIG CONCERN IS CONVECTION THIS AFTERNOON THROUGH OVERNIGHT. EXPECTING DEVELOPMENT AHEAD OF THE MAIN LINE TO IMPACT THE METRO AREA 21-00Z...WITH SURROUNDING AREAS SOON AFTER. MAIN LINE EXPECTED TO PUSH THROUGH WITH HIGHER TSTM POTENTIAL GENERALLY AROUND 03Z. MVFR CIGS EXPECTED WITH THIS LINE...WITH THINGS SLOW TO IMPROVE UNTIL AFTER 12Z. OVERNIGHT WINDS SHOULD BE GENERALLY SW AT 8-10KTS BECOMING W AND THEN NW THROUGH THE MORNING. EXPECTING GUSTY CONDITIONS WED...WITH NW WINDS AT 13-15KTS AND GUSTS TO 23-25KTS. //ATL CONFIDENCE...18Z UPDATE... HIGH CONFIDENCE ON ALL ELEMENTS...EXCEPT MEDIUM FOR TIMING OF TSTM IMPACT TO ATL. 31 && .PRELIMINARY POINT TEMPS/POPS... ATHENS 58 69 38 65 / 90 20 5 5 ATLANTA 56 65 42 66 / 100 10 5 5 BLAIRSVILLE 50 61 34 62 / 100 20 5 5 CARTERSVILLE 55 64 34 65 / 100 10 5 5 COLUMBUS 58 69 41 67 / 80 20 5 5 GAINESVILLE 55 66 39 64 / 100 20 5 5 MACON 61 71 37 68 / 80 40 5 5 ROME 52 64 35 66 / 100 10 5 5 PEACHTREE CITY 54 65 33 65 / 100 10 5 5 VIDALIA 65 73 44 68 / 80 60 5 5 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && 39
Hazardous weather outlook, Nov 22, 5:38 AM EST, 10 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE PEACHTREE CITY GA 538 AM EST TUE NOV 22 2011 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-231045- 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- 538 AM EST TUE NOV 22 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...TODAY AND TONIGHT... SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED FROM LATE AFTERNOON THROUGH TONIGHT. ISOLATED SEVERE STORMS ARE POSSIBLE. .SYNOPSIS... A FRONTAL BOUNDARY STRETCHING FROM THE VIRGINIA COAST SOUTHWESTWARD INTO TEXAS WILL MOVE EAST TODAY...PUSHING INTO NORTH GEORGIA TONIGHT. SHOWERS AND THUNDERSTORMS CAN BE EXPECTED AHEAD AND ALONG THE FRONT. .PRIMARY HAZARDS... THE PRIMARY HAZARDS FROM THE THUNDERSTORMS WILL BE DAMAGING WINDS AND OCCASIONAL CLOUD TO GROUND LIGHTNING. HOWEVER...AN ISOLATED TORNADO IS ALSO POSSIBLE. .DISCUSSION... SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD AND ALONG A COLD FRONT AS IT APPROACHES GEORGIA THIS AFTERNOON...THEN MOVE ACROSS NORTH GEORGIA TONIGHT...AND CENTRAL GEORGIA EARLY WEDNESDAY. WITH CAPE VALUES EXPECTED TO INCREASE INTO THE 500 TO 1000 J/KG RANGE THIS AFTERNOON AND TONIGHT...SOME STORMS COULD BECOME STRONG TO SEVERE PRODUCING DAMAGING WINDS. THE SEVERE STORM THREAT WILL BEGIN AROUND LATE AFTERNOON OR EARLY EVENING ACROSS FAR NORTHWEST GEORGIA...THEN SPREAD EASTWARD ACROSS NORTH AND MOST OF CENTRAL GEORGIA THROUGH AROUND 4 AM EARLY WEDNESDAY MORNING. ALTHOUGH SEVERE WEATHER IS POSSIBLE ANYWHERE ACROSS NORTH AND CENTRAL GEORGIA THROUGH EARLY WEDNESDAY MORNING... IT APPEARS THE AREA OF GREATEST THREAT WILL BE GENERALLY ALONG AND NORTH OF A LA GRANGE TO ATHENS LINE WHERE INSTABILITIES AND LOW LEVEL WIND SHEAR ARE MORE FAVORABLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... THERE IS A CHANCE FOR THUNDERSTORMS MAINLY ACROSS CENTRAL GEORGIA ON WEDNESDAY. NO HAZARDOUS WEATHER IS ANTICIPATED THURSDAY THROUGH MONDAY AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD MONITOR THE LATEST INFORMATION FOR POSSIBLE ACTIVATION THIS AFTERNOON OR TONIGHT.
In the hours before
Special weather statement, Nov 22, 4:16 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
416 PM EST TUE NOV 22 2011
GAZ042-052-066-222215-
416 PM EST TUE NOV 22 2011
...SIGNIFICANT WEATHER ADVISORY FOR 45 MPH WINDS IN TROUP...CARROLL
AND HEARD COUNTIES UNTIL 515 PM EST...
AT 414 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM 5 MILES WEST OF FROLONA TO 20 MILES
SOUTHWEST OF GLENN...MOVING EAST AT 30 MPH.
WIND GUSTS OF 45 MPH ARE LIKELY AS THESE STORMS MOVE ACROSS TROUP...
CARROLL AND HEARD COUNTIES THROUGH 515 PM EST. SOME LOCATIONS IN THE
PATH OF THESE STORMS INCLUDE EPHESUS...BLACKJACK MOUNTAIN...
WARESVILLE...FROLONA...ROOSTERVILLE...TYUS...TEXAS...JOHN TANNER
STATE PARK...ROOPVILLE...GLENN...FRANKLIN...CENTRALHATCHEE...
LOWELL...PLANT WANSLEY AND WARES CROSSROADS.
THESE WIND GUSTS MAY PRODUCE MINOR DAMAGE TO TREE LIMBS AND BLOW
LIGHT...UNSECURED OBJECTS AROUND.
&&
LAT...LON 3363 8515 3344 8499 3343 8501 3328 8496
3328 8495 3323 8494 3322 8487 3312 8486
3304 8522 3305 8523 3349 8531
TIME...MOT...LOC 2115Z 254DEG 35KT 3333 8532 3320 8534
3304 8550The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 4:36 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Heard | 54 min |
| Nov 22, 5:28 PM EST | Special Weather Statement | FFC | Heard | 32 min |
| Nov 22, 5:57 PM EST | Special Weather Statement | FFC | Troup | 33 min |
| Nov 22, 6:07 PM EST | Tornado Warning | FFC | Heard, Troup | 38 min |
| Nov 22, 6:38 PM EST | Special Weather Statement | FFC | Carroll, Cobb, Douglas, Paulding | 37 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.