Alert archive / Georgia / Special Weather Statements in 2012
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Jul 29, 2012, 5:17 PM EDT for Stewart County, Georgia. It was in force for 13 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
- Jul 29, 2012, 5:17 PM EDT (21:17 UTC)
- Expired
- Jul 29, 2012, 5:30 PM EDT
- In force
- 13 min
- Issued by
- NWS Atlanta, GA
County Stewart County, GA
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.3 hours before the alert went out and 161 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
- 1243 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1052 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 80 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 Jul 29, 3:21 PM EDT, 1 hour 56 minutes earlier.
Area forecast discussion, Jul 29, 3:21 PM EDT, 1 hour 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PEACHTREE CITY GA 321 PM EDT SUN JUL 29 2012 .SHORT TERM /TONIGHT THROUGH MONDAY NIGHT/... LATEST SFC ANALYSIS DEPICTS THE FRONT SOUTH OF THE ATL AREA BUT JUST NORTH OF THE CSG TO MCN AREA...GENERALLY AROUND LAGRANGE TO MILLEDGEVILLE. SO FAR ALL OF THE CONVECTION THIS AFTERNOON HAS BEEN SOUTH OF THE FRONTAL BOUNDARY. EXPECT THIS TREND TO CONTINUE THROUGH THE AFTERNOON AND EVENING WITH BEST CHANCES SOUTH OF THE FRONT AND ONLY A SLIGHT CHANCE TO THE NORTH. WITH DCAPES AROUND 1000 J/KG...SVR POTENTIAL STILL EXISTS THIS AFTERNOON...WITH BEST CHANCES ACROSS THE SOUTHEAST PART OF THE CWA. MODELS BRING SHORTWAVE INTO NORTH GEORGIA TONIGHT AND CENTRAL GEORGIA BY THE EARLY MORNING HOURS AND THUS MAY SEE ISOLATED TSRA OVERNIGHT. AS THE SHORTWAVE TONIGHT SHIFTS OUT OF NORTH GEORGIA...ISOLATED TSRA CHANCES WILL DECREASE AND THUS LIMITED POPS TO ONLY 10 PERCENT. FOR MONDAY GREATEST MOISTURE STILL REMAINS ACROSS THE SOUTHERN PORTION OF THE CWA AND WITH ACTIVE NORTHWEST FLOW AND DAYTIME HEATING EXPECT THE AFTERNOON TSRA AGAIN. GFS SHOWS BEST INSTABILITY REMAINING SOUTH OF THE CWA. SREF HOWEVER...KEEPS AN AREA OF DECENT INSTABILITY ACROSS THE EXTREME SOUTHERN PART OF THE CWA AND EVEN DEPICTS DCAPES OF 1000 J/KG ACROSS THE AREA AGAIN TOMORROW. CONFIDENCE IS LOW ON JUST WHERE THE BEST CHANCE OF TSRA WILL SET UP...ACROSS THE SOUTHERN PART OF THE CWA...OR JUST SOUTH OF IT. BY LATE MONDAY NIGHT THE ECMWF AND NAM BRING A SHORTWAVE INTO NORTH GEORGIA...HOWEVER THE GFS IS A LITTLE SLOWER ON THIS. ALTHOUGH THE FIRST HALF OF THE NIGHT...AFTERNOON TSRA MAY BE WINDING DOWN...MAY SEE ACTIVITY THROUGH THE NIGHT ACROSS NORTH GEORGIA WITH POTENTIAL SHORTWAVE. BASED ON RECENT TRENDS...LEANED TOWARD THE WARMER MET FOR MIN TEMPS...ALTHOUGH STILL SOMEWHAT OF A BLEND. FOR THE MAX TEMPS THOUGH LEANED TOWARD THE WARMER MAV. 11 .LONG TERM /TUESDAY THROUGH SUNDAY/... HAVE MADE ONLY A COUPLE OF TWEAKS TO POPS FOR WEDNESDAY AND WEDNESDAY NIGHT. MODELS SHOWING A BIT DRIER ACROSS THE NORTH DURING THAT TIME...IN WAKE OF TUESDAY SHORT WAVE. ONLY LOWERED POPS A BIT...DID NOT REMOVE THEM ALTOGETHER. OTHERWISE EXTENDED LOOKS ON TRACK WITH EARLY MORNING FORECAST AND HAVE MADE NO CHANGES. 41 PREVIOUS LONG TERM DISCUSSION/ISSUED 350 AM EDT SUN JUL 29 2012/ DISSIPATING STATIONARY FRONT OR SURFACE TROUGH ACROSS THE AREA TO START THE LONG TERM WITH AN UPPER TROUGH ALONG THE EASTERN SEABOARD. MODELS INDICATING THE POTENTIAL FOR SHORT WAVES IN THE NW FLOW ALOFT TO AFFECT THE AREA MONDAY NIGHT AND TUESDAY ALLOWING FOR THE CHANCE OF SHOWERS AND THUNDERSTORMS. THIS POTENTIAL FOR SHORT WAVES TO AFFECT THE FORECAST AREA LOOKS TO CONTINUE WEDNESDAY AND THURSDAY. ON FRIDAY THE UPPER RIDGE BEGINS TO BUILD AND LOOKS TO CONTINUE OVER THE AREA THE REST OF THE LONG TERM. THIS SHOULD DIMINISH SOME THE OVERALL POTENTIAL FOR SHOWERS AND THUNDERSTORMS WITH A HIGHLY DIURNAL NATURE TO ANY CONVECTION. HIGH TEMPERATURES SHOULD MODERATE SOME FOR THE FIRST PART OF THE LONG TERM WITH HIGHS IN THE LOWER HALF OF THE 90S ON THE HIGH SIDE AND THEN WARM TO THE UPPER HALF OF THE 90S TO NEAR 100 AT WEEKS END. BDL && AVIATION... 18Z UPDATE... FRONT REMAINS JUST SOUTH OF THE ATL TO AHN AREA AND BEST CHANCE OF CONVECTION WILL REMAIN ALONG AND SOUTH OF THIS FRONT. THIS MEANS THE BEST CHANCE OF TSRA WILL BE AT MCN AND CSG THIS AFTERNOON. THERE IS A SLIGHT CHANCE AT THE REMAINDER OF THE SITES...BUT NOT HIGH ENOUGH TO MENTION IN THE TAF. HAVE STARTED TO SEE SOME GUSTS ACROSS ATL SITES AND THESE WILL LAST INTO AT LEAST THE FIRST HALF OF THE AFTERNOON. //ATL CONFIDENCE...18Z UPDATE... HIGH CONFIDENCE ON WIND...CIGS AND VSBY. MEDIUM CONFIDENCE ON TSRA NOT OCCURRING AT ATL. 11 && .PRELIMINARY POINT TEMPS/POPS... ATHENS 70 96 71 92 / 20 20 20 40 ATLANTA 73 94 73 93 / 20 20 20 40 BLAIRSVILLE 64 89 68 87 / 20 20 20 50 CARTERSVILLE 64 95 70 92 / 20 20 20 40 COLUMBUS 74 96 73 94 / 30 30 30 40 GAINESVILLE 70 93 72 90 / 20 20 20 50 MACON 71 96 72 93 / 30 30 30 40 ROME 65 95 71 93 / 20 20 20 40 PEACHTREE CITY 65 93 71 93 / 20 20 20 40 VIDALIA 74 94 74 95 / 40 40 40 50 && .FFC WATCHES/WARNINGS/ADVISORIES... SEVERE THUNDERSTORM WATCH UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING ZONES: BLECKLEY...DODGE...EMANUEL...JOHNSON... LAURENS...MONTGOMERY...PULASKI...TELFAIR...TOOMBS...TREUTLEN... WHEELER...WILCOX. && SHORT TERM...11 LONG TERM....41 AVIATION...11
Hazardous weather outlook, Jul 29, 5:00 AM EDT, 12 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 500 AM EDT SUN JUL 29 2012 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-301000- 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- 500 AM EDT SUN JUL 29 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...TODAY AND TONIGHT... ISOLATED SEVERE THUNDERSTORMS POSSIBLE ACROSS CENTRAL GEORGIA THIS AFTERNOON AND EVENING. .SYNOPSIS... A COLD FRONT WILL BECOME STATIONARY ACROSS CENTRAL GEORGIA THROUGH TONIGHT. .PRIMARY HAZARDS... THE PRIMARY HAZARDS FROM THUNDERSTORMS WILL BE DAMAGING WINDS AND LIGHTNING. THE MOSTLY LIKELY AREA FOR SEVERE THUNDERSTORMS WILL BE ACROSS CENTRAL GEORGIA FROM NEAR COLUMBUS TO NEAR AUGUSTA AND SOUTH...THIS AFTERNOON AND EVENING. .DISCUSSION... SOUTH OF THE FRONT CAPES WILL INCREASE 1500 TO 3000 THIS AFTERNOON. THIS INSTABILITY COMBINED WITH GOOD LOW LEVEL MOISTURE AND CONVERGENCE NEAR THE FRONT WILL GIVE THE POSSIBILITY FOR ISOLATED SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... THERE WILL BE A CHANCE OF THUNDERSTORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
In the hours before
Special weather statement, Jul 29, 2:51 PM EDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 251 PM EDT SUN JUL 29 2012 GAZ097-291915- 251 PM EDT SUN JUL 29 2012 ...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING...PEA SIZED HAIL AND 40 MPH WINDS IN LAURENS COUNTY UNTIL 315 PM EDT... AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED NEAR DEXTER...MOVING EAST AT 10 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 LAURENS COUNTY THROUGH 315 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE DEXTER...CADWELL AND RENTZ. && LAT...LON 3243 8293 3229 8298 3238 8311 3246 8308 TIME...MOT...LOC 1851Z 286DEG 10KT 3240 8306
Special weather statement, Jul 29, 2:59 PM EDT, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
259 PM EDT SUN JUL 29 2012
GAZ086-291930-
259 PM EDT SUN JUL 29 2012
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING...PEA SIZED
HAIL AND 40 MPH WINDS IN EMANUEL COUNTY UNTIL 330 PM EDT...
AT 257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER DELLWOOD...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
EMANUEL COUNTY THROUGH 330 PM EDT. SOME LOCATIONS IN THE PATH OF THIS
STORM INCLUDE DELLWOOD...MODOC AND SWAINSBORO. MOVE INDOORS UNTIL
THE STORM PASSES AND YOU CAN NO LONGER HEAR THUNDER. MANY LIGHTNING
DEATHS OCCUR AFTER THE RAIN HAS ENDED.
&&
LAT...LON 3248 8235 3261 8251 3264 8250 3263 8249
3265 8247 3266 8249 3271 8246 3272 8245
3266 8226
TIME...MOT...LOC 1858Z 297DEG 12KT 3264 8244Special weather statement, Jul 29, 3:26 PM EDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 326 PM EDT SUN JUL 29 2012 GAZ096-107-109-292000- 326 PM EDT SUN JUL 29 2012 ...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING...PEA SIZED HAIL AND 40 MPH WINDS IN PULASKI...BLECKLEY AND DODGE COUNTIES UNTIL 400 PM EDT... AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR BAILEYS PARK OR 6 MILES EAST OF HAWKINSVILLE...MOVING EAST AT 15 MPH. ANOTHER STRONG STORM WAS LOCATED NEAR HAWKINSVILLE. THESE STORMS HAVE THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS PULASKI...BLECKLEY AND DODGE COUNTIES THROUGH 400 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE MOBLEY CROSSING... HARTFORD...HAWKINSVILLE...BAILEYS PARK...DUBOIS AND GRESSTON. MOVE INDOORS UNTIL THE STORM PASSES AND YOU CAN NO LONGER HEAR THUNDER. MANY LIGHTNING DEATHS OCCUR AFTER THE RAIN HAS ENDED. && LAT...LON 3230 8320 3215 8339 3226 8353 3235 8338 TIME...MOT...LOC 1926Z 292DEG 11KT 3231 8337
Special weather statement, Jul 29, 3:43 PM EDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
343 PM EDT SUN JUL 29 2012
GAZ113-292015-
343 PM EDT SUN JUL 29 2012
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING...PEA SIZED
HAIL AND 40 MPH WINDS IN SOUTHERN TOOMBS COUNTY UNTIL 415 PM EDT...
AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ENGLISH EDDY AND JUST NORTHEAST OF PLANT
HATCH...MOVING EAST 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
TOOMBS COUNTY THROUGH 415 PM EDT. SOME LOCATIONS IN THE PATH OF THIS
STORM INCLUDE TOOMBS CENTRAL...GRAYS LANDING...ENGLISH EDDY AND CEDAR
CROSSING. MOVE INDOORS UNTIL THE STORM PASSES AND YOU CAN NO LONGER
HEAR THUNDER. MANY LIGHTNING DEATHS OCCUR AFTER THE RAIN HAS ENDED.
&&
LAT...LON 3193 8228 3193 8237 3195 8239 3195 8240
3196 8244 3208 8238 3201 8221 3191 8222
3191 8225
TIME...MOT...LOC 1943Z 290DEG 14KT 3197 8228Special weather statement, Jul 29, 4:47 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 447 PM EDT SUN JUL 29 2012 GAZ110-111-292115- 447 PM EDT SUN JUL 29 2012 ...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 40 MPH WINDS IN WHEELER AND TELFAIR COUNTIES UNTIL 515 PM EDT... AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED JUST WEST OF MCRAE...MOVING EAST AT 10 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 WHEELER AND TELFAIR COUNTIES THROUGH 515 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE HELENA...MCRAE...SCOTLAND AND TOWNS. MOVE INDOORS UNTIL THE STORM PASSES AND YOU CAN NO LONGER HEAR THUNDER. MANY LIGHTNING DEATHS OCCUR AFTER THE RAIN HAS ENDED. && LAT...LON 3205 8270 3192 8283 3202 8299 3209 8290 TIME...MOT...LOC 2046Z 286DEG 10KT 3205 8291
Special weather statement, Jul 29, 5:17 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
517 PM EDT SUN JUL 29 2012
GAZ102-292130-
517 PM EDT SUN JUL 29 2012
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING...DIME SIZED
HAIL AND 40 MPH WINDS IN SOUTHWEST STEWART COUNTY UNTIL 530 PM EDT...
AT 513 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED ABOUT 6 MILES WEST OF SANFORD...MOVING
SOUTHEAST AT 15 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES
ACROSS SOUTHWEST STEWART COUNTY THROUGH 545 PM EDT. MOVE INDOORS
UNTIL THE STORM PASSES AND YOU CAN NO LONGER HEAR THUNDER. MANY
LIGHTNING DEATHS OCCUR AFTER THE RAIN HAS ENDED.
&&
LAT...LON 3195 8497 3197 8497 3197 8504 3198 8506
3200 8507 3201 8506 3207 8506 3209 8501
3193 8487 3192 8492
TIME...MOT...LOC 2116Z 333DEG 14KT 3201 8503The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:41 PM EDT | Special Weather Statement | FFC | Treutlen | 34 min |
| Jul 29, 2:23 PM EDT | Special Weather Statement | FFC | Johnson | 22 min |
| Jul 29, 2:51 PM EDT | Special Weather Statement | FFC | Laurens | 24 min |
| Jul 29, 2:59 PM EDT | Special Weather Statement | FFC | Emanuel | 31 min |
| Jul 29, 3:26 PM EDT | Special Weather Statement | FFC | Pulaski | 34 min |
| Jul 29, 3:43 PM EDT | Special Weather Statement | FFC | Toombs | 32 min |
| Jul 29, 4:47 PM EDT | Special Weather Statement | FFC | Telfair | 28 min |
Nearby
Special Weather Statements in Georgia, 2012Every special weather statement in 2012
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.