A weak deformation zone was over the area which created weak steering flow for storms. High instability and moderate moisture fueled afternoon and evening storms that formed along the sea breezes and outflows.
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 weak deformation zone was over the area which created weak steering flow for storms. High instability and moderate moisture fueled afternoon and evening storms that formed along the sea breezes and outflows.
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 7, 1:21 PM EST, 2 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 221 PM EDT THU AUG 7 2008 ..SHORT TERM...THUNDERSTORMS ARE QUICKLY DEVELOPING ALONG AND NORTH OF THE I-10 CORRIDOR WITH SOME STORMS BECOME SEVERE. SHOULD BE A BUSY AFTERNOON AND EARLY EVENING AS CONVECTIVE TEMPERATURES HAVE BEEN REACHED COUPLED WITH APPROACH OF MID-LEVEL SHORTWAVES...WITH CONCERNS OF DAMAGING WINDS...HAIL...FREQUENT CLOUD-TO-GROUND LIGHTNING AND LOCALIZED HEAVY RAINFALL. GREATEST COVERAGE OF THUNDERSTORMS THE REMAINDER OF TODAY IS EXPECTED NORTH OF KGNV-KSGJ LINE...WITH CONVECTION LIKELY PERSISTING WELL AFTER SUNSET. WET/UNSTABLE CONDITIONS ARE FORECAST FOR FRIDAY AS SERIES OF DISTURBANCES/SHORTWAVE TROUGHS/ CONTINUE TO CARVE A FULL SCALE TROUGH OVER THE EASTERN UNITED STATES...FORCING SURFACE FRONTAL BOUNDARY SOUTHWARD INTO THE AREA. HAVE MAINTAINED LIKELY POPS ACROSS THE BOARD DUE TO MOIST TROPICAL CONDITIONS INTERACTING WITH MYRIAD OF LIFTING MECHANISMS. CONDITIONS ARE FORECAST TO SLOWLY IMPROVE FROM THE NORTH FRIDAY NIGHT IN EARNEST AS MEAN LAYER TROUGH BEGINS TO WORK SOUTHWARD OVER THE AREA...WITH NORTHWEST/DRIER/FLOW REGIME DEVELOPING IN ITS WAKE. SATURDAY...WILL CONTINUE N-S DISTRIBUTION OF POPS... RANGING FROM 10 PERCENT OR LESS NORTH OF U.S. HIGHWAY 82 IN SOUTHEAST GEORGIA TO AROUND 60 PERCENT ACROSS MARION COUNTY AND EXTREME SOUTHERN SECTIONS OF PUTNAM AND FLAGLER COUNTIES WHERE FRONTAL BOUNDARY WILL LIKELY RESIDE. SUNDAY...DRY CONDITIONS ARE FORECAST FOR AREAS MAINLY NORTH OF A KGNV-KSGJ LINE. WILL MAINTAIN LOW-END POPS FOR AREAS SOUTH OF THIS LINE DUE TO PROXIMITY TO FRONTAL BOUNDARY OVER NORTH-CENTRAL FLORIDA...ALTHOUGH DEEPENING NORTHWEST FLOW REGIME WILL CERTAINLY LIMIT COVERAGE. .LONG TERM...RETURN TO SUMMERTIME CONDITIONS EARLY NEXT WEEK AS SOUTHERN EXTENSION OF UPPER TROUGH WEAKENS WITH DEEPENING SOUTHWEST FLOW REGIME PROVIDING INFLUX OF MOISTURE AND INSTABILITY. && .AVIATION...UPPER TROUGH WILL BE APPROACHING THE AREA LATE TODAY WHICH SHOULD ENHANCE THE TSRA POTENTIAL OVER PREVIOUS DAYS. CURRENT TERMINALS INCLUDE VCTS WORDING FOR THIS AFTERNOON....BUT MAY NEED TO INCLUDE TEMPO GROUPS AS ATMOSPHERE IS QUITE MOIST AND UNSTABLE. WILL DEFER INCLUSION OF TEMPO GROUPS UNTIL 18Z PACKAGE. && .MARINE...SOUTHWEST FLOW WILL BE INCREASING OVER THE NEXT 36 TO 48 HOURS AS SURFACE TROUGH APPROACHES FROM THE NORTH. STILL LOOKS AS THOUGH VALUES WILL BE LARGELY BELOW SCEC CRITERIA ALTHOUGH CANNOT RULE OUT A BRIEF PERIOD OVER THE OFFSHORE PORTION THU NIGHT INTO FRIDAY MORNING. OTHERWISE...WINDS WILL EASE AS TROUGH SLIDES THROUGH THE WATERS BY THE LATTER HALF OF THE WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... AMG 74 90 69 92 / 30 60 30 10 SSI 77 86 72 87 / 30 70 30 20 JAX 75 90 72 90 / 20 70 30 30 SGJ 76 87 72 86 / 20 60 30 40 GNV 74 88 71 88 / 20 70 40 40 OCF 74 88 72 87 / 20 70 40 60 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && ZAPPE/ENYEDI/
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 926 AM EDT THU AUG 7 2008 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-081000- ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY- CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE- COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)- GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM- ST JOHNS-SUWANNEE-UNION-WARE-WAYNE- 926 AM EDT THU AUG 7 2008 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...HIGH HEAT INDEX VALUES EXPECTED AGAIN TODAY... ...STRONG TO SEVERE THUNDERSTORMS POSSIBLE TODAY... HOT AND HUMID CONDITIONS WILL CONTINUE TODAY WITH AFTERNOON HEAT INDEX VALUES OF 103 TO 107 DEGREES ACROSS SOUTHEAST GEORGIA AND EXTREME NORTHEAST FLORIDA. IF YOU PLAN TO BE OUTSIDE...AVOID PROLONGED EXPOSURE OR STRENUOUS PHYSICAL ACTIVITY. DRINK PLENTY OF FLUIDS TO AVOID DEHYDRATION. ALCOHOLIC AND CAFFEINATED BEVERAGES CAN INCREASE THE RATE OF WATER LOSS IN YOUR BODY...INCREASING THE RISK OF HEAT EXHAUSTION OR STROKE. WEAR LIGHTWEIGHT...LIGHT-COLORED...LOOSE-FITTING CLOTHING. ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. THE BEST CHANCE OF STORMS WILL BE OVER INTERIOR AREAS...ALTHOUGH INCREASING SOUTHWESTERLY FLOW AND A WEAK DISTURBANCE MAY SHIFT THE FOCUS OF STORMS TOWARD THE ATLANTIC COAST BY EVENING. THE STRONGEST STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS TO 50 MPH...SMALL HAIL AND FREQUENT LIGHTNING. ADDITIONALLY...RAIN MAY BE HEAVY AT TIMES... CAUSING PONDING OF WATER ON ROADWAYS AND POSSIBLE FLOODING OF LOW LYING OR POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THUNDERSTORMS WILL BECOME MORE NUMEROUS ON FRIDAY AS AN UPPER TROUGH DEVELOPS OVER THE SOUTHEAST AND A FRONTAL SYSTEM APPROACHES THE AREA. AS THE FRONT MOVES SOUTH OF THE AREA...RAIN CHANCES WILL DECREASE ON SATURDAY AND REMAIN LOW THROUGH MONDAY WITH THE BEST CHANCES OVER NORTH CENTRAL FLORIDA. THUNDERSTORM COVERAGE WILL INCREASE AGAIN ON TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. HOWEVER... SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED FOR YOUR AREA LATER TODAY. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. ECZ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 351 PM EDT THU AUG 7 2008 GAZ132>134-072030- BACON-COFFEE-JEFF DAVIS- 351 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR CENTRAL COFFEE... SOUTHWESTERN JEFF DAVIS AND NORTHWESTERN BACON COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 430 PM EDT... AT 351 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 4 MILES NORTHWEST OF DOUGLAS...MOVING EAST AT 13 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND DOUGLAS...BROXTON...WEST GREEN...NICHOLLS AND DENTON THROUGH 430 PM EDT. HAIL UP TO ONE HALF 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. ENYEDI
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 353 PM EDT THU AUG 7 2008 GAZ150-163-072045- CLINCH-WARE- 353 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN CLINCH AND WESTERN WARE COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 445 PM EDT... AT 353 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 4 MILES WEST OF NEEDHAM TO 6 MILES SOUTHWEST OF DU PONT...MOVING SOUTHEAST AT 13 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND MANOR... HOMERVILLE...DU PONT...COGDELL...ARGYLE AND NEEDHAM THROUGH 445 PM EDT. HAIL UP TO ONE HALF 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. ENYEDI
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 354 PM EDT THU AUG 7 2008 FLZ020-022-GAZ162-072030- COLUMBIA-ECHOLS-HAMILTON- 354 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN COLUMBIA...NORTHERN HAMILTON AND SOUTHERN ECHOLS COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 430 PM EDT... AT 354 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 9 MILES NORTHEAST OF JASPER...MOVING EAST AT 13 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND JASPER...STATENVILLE AND NEEDMORE THROUGH 430 PM EDT. HAIL UP TO ONE HALF 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. HESS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 404 PM EDT THU AUG 7 2008 GAZ135-136-072100- APPLING-WAYNE- 404 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHWESTERN WAYNE AND NORTHEASTERN APPLING COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 500 PM EDT... AT 404 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF PLANT HATCH TO 20 MILES SOUTHEAST OF PLANT HATCH...MOVING EAST AT 13 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND PLANT HATCH THROUGH 500 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. ENYEDI
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 413 PM EDT THU AUG 7 2008 FLZ020-022-GAZ162-163-072045- CLINCH-COLUMBIA-ECHOLS-HAMILTON- 413 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EXTREME NORTHERN COLUMBIA...NORTHEASTERN HAMILTON...SOUTHWESTERN CLINCH AND ECHOLS COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 445 PM EDT... AT 413 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 11 MILES EAST OF STATENVILLE...MOVING NORTHWEST AT 12 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND NEEDMORE...STATENVILLE AND MAYDAY THROUGH 445 PM EDT. HAIL UP TO ONE HALF 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. HESS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 424 PM EDT THU AUG 7 2008 FLZ024-025-072115- DUVAL-NASSAU- 424 PM EDT THU AUG 7 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EASTERN NASSAU AND NORTHEASTERN DUVAL COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 515 PM EDT... AT 424 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 9 MILES WEST OF YULEE TO 3 MILES SOUTH OF JACKSONVILLE INTERNATIONAL AIRPORT...MOVING EAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND JACKSONVILLE INTERNATIONAL AIRPORT...TALLYRAND...OCEANWAY... YULEE...FORT CAROLINE...TALBOT ISLAND...MAYPORT...LITTLE TALBOT ISLAND...FERNANDINA BEACH AND AMELIA CITY THROUGH 515 PM EDT. HAIL UP TO ONE HALF 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. HESS
The Jacksonville radar (KJAX), 1 km away, was scanning. The volume nearest the first event began at 20:24 UTC.
2 thunderstorm wind. Local standard time, as filed.
The Jacksonville International Airport measured a thunderstorm downburst wind gust of 66 mph from the north. Sustained winds were 39 mph.
A 40 foot tall tree was blown down at Spanish Point Drive and Ivygail in the East Arlington Area. The time of damage was based on radar imagery.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2008Every state in 2008This day in weather historyWarnings in Florida, August 2008
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: 112545, 112544.