A northeast flow regime in the wake of a surface front focused early morning scattered storms along the Florida east coast. A broad 500 mb trough was aloft.
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 northeast flow regime in the wake of a surface front focused early morning scattered storms along the Florida east coast. A broad 500 mb trough was aloft.
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 1, 8:03 AM EST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 903 AM EDT WED AUG 1 2007 .SHORT TERM...QUITE A CHANGE FROM YESTERDAY EVENING TO THIS MORNING...ESPECIALLY CONSIDERING THE TIME OF YEAR. A FRONTAL BOUNDARY WAS ABLE TO PUSH SOUTH OF THE AREA WITH THE HELP OF THUNDERSTORM INDUCED OUTFLOWS THE PREVIOUS EVENING. THIS HAS RESULTED IN A PREDOMINANT EAST TO NORTHEAST FLOW REGIME ACROSS THE AREA AS HIGH PRESSURE NOSES DOWN THE ATLANTIC SEABOARD. DEWPOINTS HAVE DROPPED SOME 2 TO 5 DEGREES WITH VALUES RIGHT AROUND 70 FOR INLAND LOCATIONS. CONVERGENCE AXIS...AS IS TYPICAL...HAS SET UP ALONG THE COASTAL SECTIONS OF ST JOHNS AND FLAGLER WITH SHOWERS NOW ADVECTING INLAND. THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE AFTER 10 AM AND WILL NEED TO MONITOR FOR POSSIBLE WATERSPOUTS. OTHERWISE...EXPECT ANOTHER NORTH TO SOUTH POP GRADIENT TODAY WITH THE BULK OF THE ACTIVITY EXPECTED SOUTH OF THE FORECAST AREA. NEWEST NAM12 INDICATES WEST COAST SEABREEZE WILL BE HELD IN CHECK TODAY FOR OUR AREA WITH LIMITED CONVERGENCE TO INITIATE THUNDERSTORMS. WITH THE UPDATE...WILL DECREASE POPS SLIGHTLY OVER THE SOUTHERN ZONES...BUT NOT SIGNIFICANTLY GIVEN CONTINUED PWATS ABOVE 2 INCHES. WILL ALSO UPDATE TO REMOVE MORNING FOG WORDING. .AVIATION...VSBYS SLOWLY IMPROVING AT JAX AFTER MVFR CONDITIONS WERE THE RULE FOR THE EARLY MORNING HOURS. EXPECT VFR CONDITIONS AT ALL SITES FOR THE REMAINDER OF THE TAF SET EXCEPT GNV WHERE DEEPER MOISTURE WILL LEAD TO TEMPO TSRA AFT 18Z. && .MARINE...WINDS ARE CLOSE TO 15 KTS SUSTAINED AT SAUF1 AT THIS HOUR BUT FEEL CURRENT 10 TO 15 KNOT WORDING SHOULD SUFFICE FOR TODAY. WILL NEED TO MONITOR RIP CURRENT RISK TODAY FOR ANY INCREASE IN SEAS WHICH WOULD ELEVATE TO A MODERATE RISK. && .PRELIMINARY POINT TEMPS/POPS... AMG 93 71 93 72 / 20 10 30 40 SSI 87 78 87 79 / 30 20 40 40 JAX 88 73 88 72 / 30 20 60 40 SGJ 86 76 87 75 / 50 40 60 30 GNV 89 72 88 72 / 60 50 60 40 OCF 88 73 88 72 / 60 50 60 40 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && DEESE/KERNS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 545 AM EDT WED AUG 1 2007 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-021000- 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- 545 AM EDT WED AUG 1 2007 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... PATCHY FOG EARLY THIS MORNING WILL REDUCE VISIBILITIES TO A MILE OR LESS IN SOME AREAS. CONDITIONS WILL IMPROVE BY 9 AM. SCATTERED THUNDERSTORMS...MORE NUMEROUS SOUTH OF A ST. AUGUSTINE TO GAINESVILLE LINE...ARE EXPECTED THIS AFTERNOON AS A COLD FRONT MOVES INTO CENTRAL FLORIDA. LOCALLY HEAVY RAINFALL WILL OCCUR ALONG WITH STRONG GUSTY WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... NUMEROUS THUNDERSTORMS ARE EXPECTED ON THURSDAY AS A FRONT MOVES BACK NORTH ACROSS THE AREA. LOCALLY HEAVY RAINFALL IS POSSIBLE ALONG WITH STRONG GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. MZ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 919 AM EDT WED AUG 1 2007 FLZ033-011400- ST. JOHNS- 919 AM EDT WED AUG 1 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN ST. JOHNS COUNTY FOR STRONG WINDS AND FUNNEL CLOUDS VALID UNTIL 1000 AM EDT... AT 919 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CENTERED 3 MILES SOUTH OF GUANA RIVER STATE PARK... MOVING WEST AT 10 MPH. THIS THUNDERSTORM WILL ALSO AFFECT AREAS AROUND SOUTH PONTE VEDRA BEACH AND GUANA RIVER STATE PARK THROUGH 1000 AM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. DOPPLER RADAR HAS INDICATED WEAK ROTATION WITHIN THIS STORM. TORNADOES MAY DEVELOP WITH LITTLE OR NO ADVANCE WARNING. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. DEESE
The Jacksonville radar (KJAX), 57 km away, was scanning. The volume nearest the first event began at 13:44 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was sited at State Road 16 and the World Golf Village. Some pine straw debris was observed but no damage was reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2007Every state in 2007This day in weather historyWarnings in Florida, August 2007
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: 46756.