A weak upper ridge over Florida helped to suppress convection across the Southeast, but afternoon instability still allowed a few showers and thunderstorms to develop especially across north Georgia. Fuel moistures and relative humidity values were above critical levels, but one wildfire did occur.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FFC wrote it up.
A weak upper ridge over Florida helped to suppress convection across the Southeast, but afternoon instability still allowed a few showers and thunderstorms to develop especially across north Georgia. Fuel moistures and relative humidity values were above critical levels, but one wildfire did occur.
The local office's own words before the first event, 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 the first event at Aug 11, 11:15 AM EST, 0 minutes earlier.
AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1215 PM EDT SUN AUG 11 2013 .UPDATE... CONVECTION HAS INITIATED ACROSS FAR NORTH GA EARLY THIS AFTERNOON AND EXPECT THIS COVERAGE TO BECOME MORE NUMEROUS THROUGH MID AFTERNOON AS A WEAK DISTURBANCE APPROACHES FROM THE WEST AND A FRONTAL BOUNDARY REMAINS STALLED IN TN. EXPECT POSSIBLY SCATTERED COVERAGE TO SPREAD DOWN INTO THE ATLANTA METRO AREA BY MID-LATE AFTERNOON. MORNING SOUNDING REMAINS VERY MOIST WITH 1.8 PW'S... SO MAIN THREAT WILL BE LOCALLY HEAVY RAIN FROM THE SLOWER MOVING STORMS. HAVE UPDATED FORECAST TO INCREASE RAIN CHANCES TO LIKELY ACROSS THE FAR NORTH AND 40-50% DOWN INTO ATLANTA. SLIGHT CHANCE TO LOW CHANCE POPS WILL BE SUFFICIENT ACROSS MOST OF THE CENTRAL ZONES THIS AFTERNOON AND EVENING. OTHERWISE... REST OF THE FORECAST LOOKS ON TRACK FOR NOW. NEW MODEL RUNS COMING IN... SO WILL UPDATE LATER PERIODS WITH THE NEW INFO BY 3 PM. /39 .PREV DISCUSSION... /ISSUED 418 AM EDT SUN AUG 11 2013/ SHORT TERM /TODAY THROUGH MONDAY/... WEAK SYNOPTIC PATTERN REMAINS IN PLACE THROUGH THE SHORT TERM WITH WEAK UPPER RIDGE MOVING SLIGHTLY WESTWARD OVER NORTHERN FL/SOUTHERN GA...WITH ZONAL FLOW THROUGH THE OHIO AND TENNESSEE VALLEY. SURFACE BOUNDARY REMAINS DRAPED ACROSS TENNESSEE...FOCUSING THE BEST MOISTURE ACROSS TENNESSEE VALLEY. DIURNAL TRENDS IN CONVECTION CONTINUE...WITH MODELS CONSISTENT WITH INDICATING BEST POPS ACROSS NORTH GEORGIA DUE TO THE PROXIMITY TO THE BOUNDARY. HAVE KEPT POPS HIGHEST ACROSS THE FAR NORTHERN CWA...WITH GOOD CHANCE POPS SPREADING SOUTHWARD AND BECOMING SLIGHT CHANCE POPS ACROSS CENTRAL GEORGIA. LITTLE CHANGE EXPECTED INTO MONDAY...WITH MORE OF THE SAME DIURNAL TRENDS IN PRECIP ACTIVITY. MODELS SUGGEST BETTER COVERAGE WITH ACTIVITY MONDAY...SO HAVE GOOD CHANCE POPS EVERYWHERE. SHORT TERM QPF RAINFALL TOTALS MAX OUT BETWEEN 0.5 AND 0.75 INCHES ACROSS NORTH GEORGIA...WITH HIGHER RAINFALL AMOUNTS ASSOCIATED WITH CONVECTION. MODEL PWS ARE NOT QUITE AS HIGH AS SEEN A FEW DAYS AGO...BUT WITH A MOIST 1.7-1.85 INCHES...HEAVY RAIN REMAINS A PRIMARY THREAT IN CONVECTION. LOCALIZED FLOODING MAY STILL BE AN ISSUE...ESPECIALLY WHERE STORMS TRAIN OR SIT OVER THE SAME AREA AND DUMP HEAVY RAINFALL AMOUNTS. CONTINUED WITH A GUIDANCE BLEND OF TEMPERATURES WHICH SEEMS TO HAVE BEEN HANDLING CONDITIONS FAIRLY WELL THE LAST FEW DAYS. STILL ANTICIPATE UPPER 80S TO LOW 90S FOR HIGHS TODAY AND MONDAY. 31 LONG TERM /MONDAY NIGHT THROUGH SATURDAY/... LITTLE CHANGE IN LONG TERM PATTERN AS BASICALLY A ZONAL FLOW GRADUALLY TRANSITIONS TO AN UPPER TROUGH BY THE MIDDLE OF THE WEEK. THE CWA REMAINS IN A MOIST AIR MASS WITH WEAK IMPULSES IN THE UPPER FLOW. MODELS PERSIST IN SHOWING SOME DRIER AIR PUSHING INTO NORTH GA TOWARD THE END OF THE WEEK WITH A WEDGE LIKE PATTERN SETTING UP. THIS DEPENDS ON HOW FAR SOUTH INTO THE CWA THE SURFACE BOUNDARY SINKS. WILL CONTINUE WITH PERSISTENCE AND KEEP POPS MENTIONED THROUGH OUT THE PERIOD...WITH SOME LOWERING OF POPS ACROSS THE NORTH BY THE END OF THE WEEK. IF SURFACE BOUNDARY PUSHES INTO CENTRAL GA AND THE EASTERLY FLOW SETS UP...TEMPERATURES BY LATE WEEK SHOULD BE SEVERAL DEGREES COOLER. 41 && .AVIATION... /ISSUED AT 731 AM EDT SUN AUG 11 2013/ 12Z UPDATE... SOME PATCHY AREAS OF VLIFR AND LIFR VSBYS AROUND THE AREA THIS MORNING...BUT EXPECT MAJORITY OF TAF SITES TO REMAIN VFR. CONVECTION EXPECTED AGAIN FOR THE AFTERNOON AND HAVE GONE AHEAD WITH TEMPO 19-23Z. WINDS WILL REMAIN WEST AT 6-8KT THROUGH THE DAY...AND 5KT OR LESS OVERNIGHT. HIGHER GUSTS CAN BE EXPECTED WITH CONVECTION. //ATL CONFIDENCE...12Z UPDATE... LOW CONFIDENCE OF SCT MVFR THIS MORNING THROUGH 14Z. HIGH CONFIDENCE ON ALL ELEMENTS. 31 && .PRELIMINARY POINT TEMPS/POPS... ATHENS 90 71 91 70 / 30 20 50 30 ATLANTA 88 73 88 72 / 40 30 50 30 BLAIRSVILLE 85 67 82 67 / 40 30 40 30 CARTERSVILLE 88 70 88 70 / 50 30 50 30 COLUMBUS 92 74 92 73 / 30 20 40 30 GAINESVILLE 87 71 87 71 / 40 30 40 30 MACON 93 72 93 73 / 30 20 40 30 ROME 89 70 89 70 / 50 40 50 30 PEACHTREE CITY 88 69 88 69 / 40 30 50 30 VIDALIA 94 75 94 75 / 20 10 40 30 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...31/39 LONG TERM....41 AVIATION...31/39
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 429 AM EDT SUN AUG 11 2013 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-120830- 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- 429 AM EDT SUN AUG 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA. .DAY ONE...TODAY AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY AND TONIGHT AS A MOIST AIR MASS CONTINUES OVER NORTH AND CENTRAL GEORGIA. BEST CHANCES WILL CONTINUE ACROSS NORTH GEORGIA AHEAD OF A COLD FRONT THAT HAD STALLED OVER TENNESSEE. THE PRIMARY HAZARD WILL BE HEAVY RAIN. THE POTENTIAL FOR FLASH FLOODING STILL EXISTS...ESPECIALLY IF THE CONVECTION IS SLOW MOVING. OTHER HAZARDS INCLUDE GUSTY WINDS AND FREQUENT LIGHTNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH THE WEEK AND INTO THE WEEKEND. THUNDERSTORMS WILL CONTINUE TO HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL...WHICH COULD CAUSE LOCALIZED FLOODING. A FRONTAL BOUNDARY SHOULD MOVE INTO NORTH GEORGIA BY THE MIDDLE OF THE WEEK. THIS BOUNDARY MAY BE A FOCUS FOR MORE WIDESPREAD SHOWERS AND THUNDERSTORMS... MAINLY ACROSS THE NORTH. CONDITIONS WILL CONTINUE TO BE MONITORED CLOSELY FOR POTENTIAL FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS OF SEVERE WEATHER THROUGH THE WEB BY GOING TO WEATHER.GOV/ATLANTA.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
741 AM EDT SUN AUG 11 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM HEAVY RAIN SAUTEE 34.68N 83.68W
08/11/2013 M3.27 INCH WHITE GA CO-OP OBSERVER
THIS IS A 24 HOUR TOTAL.
&&
GWETZELPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
743 AM EDT SUN AUG 11 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0630 AM HEAVY RAIN 2 N DALLAS 33.95N 84.84W
08/11/2013 M3.74 INCH PAULDING GA COCORAHS
THIS IS A 24 HOUR TOTAL.
&&
GWETZELThe national radar mosaic for the moment the first event began.
1 wildfire. Local standard time, as filed.
The National Forest Service reported that a human-caused wildfire labeled Mack White burned 1.94 acres and resulted in $1500 in damages.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2013Every state in 2013This day in weather historyWarnings in Georgia, August 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 468202.