S. S.
Every event with a place to put it. 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 short wave was moving into the southeast U.S. and helping to carve out a full-latitude negatively tilted eastern U.S. trough. This trough swept through the eastern U.S. between March 31st and April 2nd. Widespread showers and thunderstorms accompanied this system across north and central Georgia. However, because of several days of previous convective activity, the atmosphere was relatively stable in comparison to the March 26th - March 28th period. Although some of the thunderstorms became strong and many produced heavy rain, none of the thunderstorms reached severe limits. Early during the event, a storm approached severe limits in northwest Georgia near Ringgold and produced penny-sized hail.
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 Mar 29, 8:15 PM EST, 3 hours 55 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE PEACHTREE CITY GA 915 PM EDT TUE MAR 29 2011 .UPDATE... CURRENT FORECAST APPEARS TO BE ON TRACK. GIVEN UPSTREAM CONVECTIVE TRENDS ACROSS LA/AR/TN...WAS CONCERNED THAT A FLOOD WATCH MAY BE NEEDED FOR PARTS OF N GA TONIGHT...WHERE IT WON'T TAKE MUCH RAIN TO PUSH RIVERS UP TO BANKFULL. HOWEVER...MODEL QPF GENERALLY CONSISTENT WITH 0.75-1.00 INCH ACROSS THE NW/FAR NC AREAS...0.50 INCH AROUND ATL...AND 1.0-1.5 INCH ACROSS CENTRAL COUNTIES. HIRES WRF AGREES WITH THIS ASSESSMENT DEVELOPING THE STRONGER CONVECTION WITH TIME TOWARD THE GULF COASTAL AREAS. THIS IS CONSISTENT WITH SFC LOW TRACKING ACROSS S/SE GA BY EARLY THU. THUS...WILL NOT ISSUE A FLOOD WATCH AT THIS TIME...BUT WILL NOTE THAT THE SITUATION NEEDS TO BE CLOSELY MONITORED...GIVEN CURRENT CONVECTIVE TRENDS...IN THE EVENT THAT CONVECTION FURTHER NORTH TURNS OUT TO BE MORE THAN EXPECTED...WITH LESS FURTHER SOUTH. AS NOTED EARLIER...SEVERE THREAT APPEARS MINIMAL. ELEVATED INSTABILITY WILL SUPPORT CONVECTION OVERNIGHT AND EARLY WED. WILL NEED TO WATCH FOR POTENTIALLY STRONGER CONVECTION WED AFTERNOON AS AIR MASS BECOMES MORE UNSTABLE IN THE WARM SECTOR...BUT UPPER SUPPORT...DYNAMICS...AND SHEAR AT THAT POINT ARE WEAK. FOR TEMPS...MOST AREAS HAVE WARMED 1-2 DEGREES SINCE MID-AFTERNOON...THUS THE WEDGE APPEARS TO BE SLOWLY ERODING FROM THE SW. NEAR STEADY OR SLOWLY RISING TEMPS AS DEPICTED IN THE CURRENT GRIDS APPEARS REASONABLE. 19 && .PREV DISCUSSION... /ISSUED 752 PM EDT TUE MAR 29 2011/ SHORT TERM /TONIGHT THROUGH THURSDAY NIGHT/... A VERY DIFFICULT FORECAST FOR THE SHORT TERM. SOME BIG DIFFERENCES BETWEEN THE MODELS TO CONTEND WITH. HIGH PRESSURE CONTINUES TO RIDGE DOWN THE EASTERN SEABOARD AS AN AREA OF SURFACE LOW PRESSURE WILL MOVE OFF THE GULF AND INTO THE LOWER MISSISSIPPI VALLEY TONIGHT IN RESPONSE TO A SHORTWAVE PUSHING OFF THE NORTHERN/CENTRAL ROCKIES TONIGHT. NAM IS MORE AGGRESSIVE WITH THE SYSTEM...AND ALSO STRONGER WITH THE HIGH. ECMWF IS WEAKEST...WITH THE GFS IN BETWEEN. NORMALLY I MIGHT CONSIDER SIDING WITH THE GFS AS A SORT OF BLENDED SOLUTION...BUT AM THINKING THAT THE NAM HAS A SLIGHTLY BETTER HANDLE ON THE STRENGTH OF THE COLD DOME. WHILE THIS DOES RESULT IN SLIGHTLY DIFFERENT TEMPS TONIGHT...IT'S REALLY SEEN IN HIGH TEMPS ON WEDNESDAY WITH THE NAM 5-10 DEGREES COOLER WITH THE GFS (E.G., MET 63...MAV 73 AT AHN). COULD BE A HUGE BUST...BUT HAVE LEANED TOWARD THE COOLER NAM. ALSO SOME DIFFERENCES IN QPF...WITH THE NAM ON THE HIGHER SIDE. HOWEVER...THERE IS SOME CONVECTIVE FEEDBACK SHOWING UP IN NAM SO WHILE I DO PREFER THE NAM'S TEMPS (OR AT LEAST AM LEANING THAT WAY)...THINK THAT IT MAY BE A LITTLE OVERDONE ON QPF. IN ANY CASE...IT WILL RAIN TONIGHT AND INTO TOMORROW...SO HAVE JUST BLANKETED THE AREA WITH 100% POPS...SEE NO REASON TO FIDDLE AROUND WITH IT. SEE HYDROLOGY SECTION BELOW FOR MORE THOUGHTS WITH THE RAIN. INSTABILITY INCREASES LATE TONIGHT AHEAD OF THE LOW PRESSURE... WITH MORE MOIST AIR ADVECTING IN TOWARD 12Z. BECAUSE THE NAM KEEPS THE HIGH A LITTLE STRONGER...IT ALSO HAS LESS SURFACE INSTABILITY WITH THE GFS AND INDICATES A MORE ISENTROPIC/OVERRUNNING RAIN SITUATION. HOWEVER...BOTH MODELS DO HAVE ELEVATED INSTABILITY (ABOVE ABOUT 850MB) SO WITH FORCING CONTRIBUTED BY THE SHORTWAVE PUSHING THROUGH ALOFT...HAVE INCLUDED SLIGHT CHANCE THUNDER LATE TONIGHT INCREASING TO CHANCE AND LIKELY DURING THE DAY ON WEDNESDAY. NOT REAL IMPRESSED WITH ANY CHANCE OF SEVERE WEATHER GIVEN THE LOW-LEVEL INVERSION...BUT THERE IS SOME WEAK TO MODERATE SHEAR ALOFT AND EVEN WITH THE LOW CAPES...HAIL MIGHT BE POSSIBLE. SPC DOES HAVE US IN A GENERAL THUNDER AREA. WE MIGHT SEE A BRIEF BREAK AFTER THIS FIRST SYSTEM PUSHES THROUGH...BUT AM NOT HEDGING BETS ON THAT AS A SERIES OF SHORTWAVES WILL CONTINUE TO PUSH THROUGH THE REGION DURING THE SHORT TERM AND EVEN INTO THE FIRST PART OF THE EXTENDED. POPS RANGE FROM SLIGHT TO CHANCE THROUGH THE REMAINDER OF THE SHORT TERM AS THESE SYSTEMS MOVE THROUGH. MOST OF THE RAIN LOOKS LIKE IT WILL AFFECT SOUTH AND CENTRAL GEORGIA (WHICH MAY HELP WITH THE FIRES DOWN THERE). TEMPS SHOULD BE NEAR NORMAL...POSSIBLY JUST BELOW. LONG TERM /FRIDAY THROUGH TUESDAY/... STRONG LONGWAVE TROUGH DOMINATES THE EASTERN THIRD OF THE COUNTRY AS WE MOVE INTO THE EXTENDED. SHORTWAVE SHOULD MOVE THROUGH THE NORTHWEST FLOW FRIDAY NIGHT. THE WEEKEND SHOULD BE PLEASANT WITH NEAR NORMAL TEMPS AS WE BEGIN TO TRANSITION FROM TROUGHING TO WEAK RIDGING ALOFT. VERY STRONG SYSTEM DEVELOPING IN THE CENTRAL PLAINS SUNDAY NIGHT WILL PUSH EAST EARLY IN THE WORKWEEK. ECMWF IS MUCH FASTER THAN THE GFS WITH THIS STEMS...WITH THE SURFACE LOW IN MISSOURI 00Z MONDAY (GFS BACK IN WESTERN KANSAS AT THE SAME TIME). ECMWF SPREADS PRECIP ACROSS THE DEEP SOUTH AND SOUTHEAST MONDAY EVENING...GFS HOLDS OFF TILL TUESDAY. GFS HAS INSTABILITY INCREASING SIGNIFICANTLY AHEAD OF THE SYSTEM...ESPECIALLY ACROSS THE MID SOUTH. A LOT OF UNCERTAINTY STILL WITH THIS SYSTEM...SEE SWOD48. 25 && HYDROLOGY... QPF OF 1-3" PREDICTED FOR PORTIONS OF NORTH GEORGIA...A LITTLE LESS THAN CURRENT FORECAST FFG...SO NOT MUCH CONCERN OF FLASH FLOODING. HOWEVER...RIVERS REMAIN HIGH HAVING JUST CRESTED IN THE PAST DAY OR SO. RUNOFF FROM TONIGHT'S RAIN WILL CAUSE THEM TO RISE AGAIN. CURRENT QPF ALREADY PUTTING A COUPLE OF POINTS NEAR TO JUST ABOVE FLOOD STAGE. HOWEVER...DO NOT THINK THIS WILL BE WIDESPREAD ENOUGH FOR A FLOOD WATCH AT THIS TIME...THOUGH THE SITUATION WILL BE MONITORED IN CASE ONE IS NEEDED. 25 && .AVIATION... 00Z UPDATE... PRIMARY CONCERN IS TIMING OF PRECIPITATION AND CONVECTION TOMORROW. LOW CIGS TONIGHT WILL CONTINUE TO TREND DOWN. SHOULD GO INTO IFR CIGS AROUND 04Z OR SO. VSBYS MAY DROP TO MVFR AT SEVERAL AIRPORTS DUE TO DRIZZLE AT 04Z AS WELL...ATL SHOULD STAY UP BUT WILL CONTINUE TO MONITOR. AMOUNT OF INSTABILITY IN QUESTION FOR TOMORROW. MAY BE VERY HARD TO SEE MUCH TSRA AT ATL. HAVE DROPPED TSRA UNTIL 19Z AT ATL BUT DID KEEP A CB AT 15Z TO INDICATE A LIKELY ELEVATED CONVECTION ON TOP OF COOL SURFACE LAYER. LATEST MODEL GUIDANCE STARTING TO COME IN LINE WITH THIS COOLER LESS UNSTABLE SCENARIO. SWITCH TO SW WINDS AT 19Z AND END OF PRECIP AROUND 21Z AT ATL WITH CLEARING AFTER 00Z THURS. //ATL CONFIDENCE...00Z UPDATE... HIGH CONFIDENCE ON CIGS...VSBYS AND WINDS. MEDIUM CONFIDENCE ON PRECIP TIMING. LOW CONFIDENCE ON PROBABILITY OF TSRA. 13 && .PRELIMINARY POINT TEMPS/POPS... ATHENS 50 61 47 59 / 90 100 40 50 ATLANTA 52 62 45 60 / 90 100 30 40 BLAIRSVILLE 50 57 42 54 / 100 100 30 40 CARTERSVILLE 49 64 44 59 / 100 100 30 40 COLUMBUS 55 70 50 65 / 90 100 40 60 GAINESVILLE 51 60 47 56 / 100 100 30 40 MACON 54 68 52 65 / 80 100 40 60 ROME 55 61 45 62 / 100 100 20 30 PEACHTREE CITY 51 64 45 61 / 90 100 30 50 VIDALIA 55 68 56 67 / 50 100 50 60 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && 25/13/19
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1010 PM EDT TUE MAR 29 2011 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-301830- 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- 1010 PM EDT TUE MAR 29 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...REST OF TONIGHT ISOLATED THUNDERSTORMS POSSIBLE TOWARDS DAYBREAK. .SYNOPSIS... A FRONTAL BOUNDARY ACROSS THE GULF COASTAL STATES WILL LIFT NORTHWARD INTO SOUTH GEORGIA TONIGHT. .PRIMARY HAZARDS... THE PRIMARY HAZARD FROM ANY THUNDERSTORM THAT DEVELOPS TONIGHT WILL BE LOCALLY HEAVY RAINS AND CLOUD-TO-GROUND LIGHTNING. .DISCUSSION... RICH MOISTURE WILL SLOWLY INCREASE ACROSS THE AREA TONIGHT. INSTABILITY MAY REACH LEVELS SUFFICIENT TO PRODUCE ISOLATED ELEVATED THUNDERSTORMS ACROSS PORTIONS OF WESTERN GEORGIA TOWARDS DAYBREAK. ANY STORMS WILL REMAIN WELL BELOW SEVERE LEVELS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE FOR THUNDERSTORMS ON WEDNESDAY THROUGH THURSDAY MORNING AND AGAIN ON MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT. SNELSON
The Northeast Alabama radar (KHTX), 86 km away, was scanning. The volume nearest the first event began at 05:08 UTC.
1 hail. Local standard time, as filed.
A storm spotter observed penny-sized hail near Ringgold.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2011Every state in 2011This day in weather historyWarnings in Georgia, March 2011
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: 293138.