A short wave mid level trough moved across the area in the afternoon. This feature combined with the sea breezes yielded scattered severe storms across the forecast area during the afternoon and evening when diurnal instability was highest.
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 JAX wrote it up.
A short wave mid level trough moved across the area in the afternoon. This feature combined with the sea breezes yielded scattered severe storms across the forecast area during the afternoon and evening when diurnal instability was highest.
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 Jacksonville, FL wrote its last area forecast discussion before the first event at Aug 22, 1:50 PM EST, 5 minutes earlier.
AREA FORECAST DISCUSSION...CORRECTION NATIONAL WEATHER SERVICE JACKSONVILLE FL 250 PM EDT MON AUG 22 2011 .SHORT TERM...AT 200 PM EDT...SHOWERS AND STORMS WERE INCREASING IN BOTH COVERAGE AND INTENSITY WITH STRONG THUNDERSTORMS DEVELOPING IN VICINITY OF SURFACE TROUGH NEAR THE ALTAMAHA RIVER. FOR THE REMAINDER OF TODAY... SHOWERS AND STORMS WILL ADVANCE TOWARDS THE EAST-SOUTHEAST WITH THE GREATEST COVERAGE LIKELY TO OCCUR NEAR THE I-95 CORRIDOR LATE IN THE DAY. THE FORECAST THROUGH THURSDAY CALLS FOR HIGH TEMPERATURES BETWEEN 90 AND 95 DEGREES WITH SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING EACH DAY (WITH EMPHASIS DURING THE AFTERNOON HOURS). A FULL SCALE TROUGH NEAR THE EASTERN SEABOARD IS FORECAST TO LIFT EAST AND WEAKEN OVER THE NEXT SEVERAL DAYS...BUT WILL CONTINUE TO INFLUENCE THE PATH OF HURRICANE IRENE. THE LATEST FORECAST TRACK FROM THE NATIONAL HURRICANE CENTER HAS BEEN SHIFTED EAST IN RESPONSE TO HURRICANE IRENE SKIRTING THE NORTHERN COAST OF HISPANIOLA (IN LIEU OF CROSSING). THE CENTER OF HURRICANE IRENE IS FORECAST TO REACH THE NORTHERN BAHAMAS ON THURSDAY WITH BREEZY NORTHEASTERLY WINDS ESTABLISHING OVER THE LOCAL COASTAL COUNTIES. .LONG TERM...PER THE LATEST FORECAST TRACK FROM THE NATIONAL HURRICANE CENTER...IRENE IS FORECAST TO LIFT NORTHWEST THEN NORTH AND STRENGTHEN INTO A MAJOR HURRICANE. THE CENTER OF IRENE IS NOW FORECAST TO POSITION ALMOST A HUNDRED MILES EAST OF THE LOCAL MAINLAND LATE FRIDAY INTO FRIDAY NIGHT. IF THIS NEW TRACK IS REALIZED...THERE IS STILL THE POTENTIAL FOR TROPICAL STORM FORCE WINDS ON FRIDAY AND FRIDAY NIGHT. RESIDENTS ARE REMINDED THAT THE STORMS LOCAL IMPACTS ARE STILL UNCERTAIN AND WILL BE HIGHLY DEPENDENT UPON ITS EXACT TRACK AND INTENSITY. && .AVIATION...SCATTERED STORMS THIS AFTERNOON AS A TROUGH OF LOW PRESSURE APPROACHES THE AREA. HAVE VCTS AT ALL TERMINALS TIL 02Z. AMENDMENTS MAY BE NEEDED FOR POSSIBLE MVFR DUE TO TS. && .MARINE...LIGHT WINDS EXPECTED THRU WED. WINDS/SEAS FROM IRENE ARE EXPECTED TO INCREASE BY THURSDAY. TROPICAL STORM CONDITIONS POSSIBLE IN THE NEAR SHORE WATERS AND HURRICANE CONDITIONS POSSIBLE OFFSHORE. RIP CURRENTS: LOW RISK THRU TUE WITH INCREASING THREAT BY WED. && .PRELIMINARY POINT TEMPS/POPS... AMG 74 93 72 93 / 20 30 20 30 SSI 78 90 76 89 / 40 20 20 30 JAX 74 93 73 92 / 30 30 20 30 SGJ 76 91 75 91 / 40 20 20 40 GNV 73 94 72 92 / 30 40 20 30 OCF 73 93 72 93 / 30 40 30 40 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && ZAPPE/PETERSON/PRESNALL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 506 AM EDT MON AUG 22 2011 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-230915- HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE- JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY- INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN- COASTAL CAMDEN- 506 AM EDT MON AUG 22 2011 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO EARLY EVENING. THESE STORMS COULD BE STRONG WITH GUSTY WINDS AND PERIODS OF HEAVY RAINFALL. A FEW OF THESE STORMS COULD BECOME SEVERE...MAINLY IN SOUTHEAST GEORGIA. HEAT INDICES IN THE 100 TO 105 RANGE CAN BE EXPECTED THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... SCATTERED THUNDERSTORMS ARE EXPECTED EACH AFTERNOON. A FEW OF THESE STORMS COULD BECOME STRONG AND CAPABLE OF PRODUCING STRONG WIND GUSTS AND PERIODS OF HEAVY RAINFALL. HURRICANE IRENE MAY IMPACT PORTIONS OF THE FORECAST AREA LATER THIS WEEK. WHILE THE STORMS LOCAL IMPACTS ARE UNCERTAIN AND WILL BE HIGHLY DEPENDENT UPON ITS EXACT TRACK AND INTENSITY...AT THIS TIME...NOW IS THE TIME FOR LOCAL INTERESTS TO TAKE REASONABLE PRECAUTIONS SHOULD WATCHES OR WARNINGS BECOME NECESSARY. SOME SUGGESTED ACTIONS... REVIEW YOUR FAMILY'S HURRICANE PLAN. ENSURE YOUR HURRICANE KIT IS WELL STOCKED AND UP TO DATE. REVIEW THE WORKING CONDITION OF EMERGENCY EQUIPMENT...SUCH AS FLASHLIGHTS AND BATTERY POWERED RADIOS. REVIEW EVACUATION ROUTES SHOULD THAT BECOME NECESSARY. MARINE INTERESTS MAY WISH TO TAKE PRECAUTIONS AT THIS TIME...ESPECIALLY IF YOU WILL BE AWAY FROM YOUR BOAT. AS THE STORM APPROACHES THE REGION...HIGH TIDES...HEAVY SURF...RIP CURRENTS AND LARGE BREAKERS AT INLETS MAY DEVELOP WELL AHEAD OF THE STORM. BEACHFRONT INTERESTS SHOULD PLAN ON SECURING OBJECTS VULNERABLE TO SURF ACTION PRIOR TO THE HIGH SURF DEVELOPING. LOCAL AND MARINE INTERESTS ARE URGED TO MONITOR NOAA WEATHER RADIO AND LOCAL MEDIA ON THE PROGRESS OF THE STORM AND REMAIN ALERT FOR POSSIBLE WATCHES OR WARNINGS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
229 PM EDT MON AUG 22 2011
GAZ132>134-221915-
BACON-COFFEE-JEFF DAVIS-
229 PM EDT MON AUG 22 2011
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR SOUTHWESTERN
JEFF DAVIS...NORTHWESTERN BACON AND COFFEE COUNTIES FOR STRONG
WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 315 PM EDT...
AT 229 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 4 MILES SOUTH OF BROXTON...MOVING SOUTHEAST AT
10 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND
PRIDGEN...BROXTON...AMBROSE...DOUGLAS...WEST GREEN AND NICHOLLS
THROUGH 315 PM EDT. HAIL UP TO THREE QUARTER INCH IN DIAMETER...
EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 3163 8255 3147 8262 3147 8263 3140 8264
3136 8271 3136 8281 3141 8285 3140 8289
3151 8310 3157 8306 3161 8306 3168 8300
3179 8299 3179 8293
TIME...MOT...LOC 1829Z 306DEG 8KT 3156 8288
SHULERThe national radar mosaic for the moment the first event began.
6 thunderstorm wind. Local standard time, as filed.
Central dispatch reported 6 to 7 trees down on Northside Drive near Quincey Batten Loop.
Trees were blown down in Pearson with power outages reported in the city. Hail was reported but the size was unknown. The time of the report was based on radar.
Winds were estimated at 60 mph. Trees were blown down near Highway 203 and Empire Road. Dime size hail was also reported.
Power line poles were blown down in Waynesville.
Five trees were blown down and a glass door was blown out at Georgia Highway 203 and Odum Screven Road.
Trees and power lines were blown down in Tarboro.
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, August 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: 329803, 329805, 329812, 329806, 329808, 329810.