A short wave upper level trough passed over the area during the afternoon and evening and enhanced sea breeze induced convection across the area. High instability and moisture values caused wet microbursts, including in Flagler county where 58-60 mph wind gusts were measured.
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 upper level trough passed over the area during the afternoon and evening and enhanced sea breeze induced convection across the area. High instability and moisture values caused wet microbursts, including in Flagler county where 58-60 mph wind gusts were measured.
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 Jul 28, 1:24 PM EST, 16 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 224 PM EDT SAT JUL 28 2007 ...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EARLY EVENING... .SHORT TERM...SEVERE THUNDERSTORM WATCH 599 REMAINS IN EFFECT FOR SOUTHEAST GEORGIA...NORTHEAST FLORIDA AND THE ADJACENT COASTAL WATERS. THE COMBINATION OF WARM AND MOIST CONDITIONS...THE APPROACH OF A VIGOROUS SHORTWAVE TROUGH...AND INTERSECTING BOUNDARIES WILL SET THE STAGE FOR STRONG TO SEVERE THUNDERSTORMS THROUGH THE EARLY EVENING. FLY-IN-THE-OINTMENT WILL BE EXTENSIVE SHOWER/THUNDERSTORM COVERAGE ALREADY IN PLACE (WHICH MAY QUICKLY STABILIZE THE ATMOSPHERE)...BUT CERTAINLY ANTICIPATE AT LEAST ISOLATED/PULSE SEVERE STORMS. THE MAIN CONCERNS WILL BE DAMAGING WINDS...LARGE HAIL AND DANGEROUS LIGHTNING. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT AS A SECONDARY...ALBEIT WEAKER SHORTWAVE TROUGH DIVES SOUTHEAST ACROSS THE AREA. SUNDAY AND MONDAY...SERIES OF SHORTWAVE TROUGHS WILL CONTINUE TO TRAVERSE THE EASTERN THIRD OF THE UNITED STATES. THESE IMPULSES COUPLED WITH MOIST AND UNSTABLE CONDITIONS WILL RESULT IN SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS...ESPECIALLY DURING THE AFTERNOON THROUGH EARLY EVENING HOURS. TUESDAY...AN ATTENDANT COLD FRONT WILL WILL ATTEMPT TO PUSH INTO OUR CWA BY TUESDAY...ESPECIALLY OUR GEORGIA ZONES. THUS...HAVE INCLUDED N-S DISTRIBUTION OF POPS RANGING FROM AROUND 30 PERCENT IN GEORGIA TO AROUND 60 PERCENT ACROSS OUR SOUTHERN-MOST FL COUNTIES. .LONG TERM...WILL MAINTAIN N-S DISTRIBUTION OF POPS WED-THU AS FRONTAL BOUNDARY IS FORECAST TO LINGER ACROSS NORTH-CENTRAL FLORIDA...RESULTING IN STRONGER MOISTURE/HIGHER MOISTURE ACROSS OUR FLORIDA ZONES. BY FRIDAY...FRONTAL BOUNDARY IS FORECAST TO SLOWLY LIFT NORTH...AND HAVE INCLUDED HOMOGENEOUS CHANCE POPS. && .AVIATION...A CHALLENGING SET OF 18Z TAFS AS IT IS DIFFICULT TO PIN DOWN THE GREATEST THREAT TIME PERIOD. GIVEN ACTIVITY WAS ONGOING AT ISSUANCE...WENT WITH AN INITIAL TEMPO GROUP FOR STRONG GUSTY WINDS THROUGH 22Z. THEREAFTER...THE THINKING IS THAT THE ATMOSPHERE WILL HAVE STABILIZED ENOUGH TO RESULT IN ONLY SHRA WITH VCTS. THIS IS CERTAINLY NOT A GIVEN HOWEVER...WITH ADDITIONAL UPPER ENERGY PROGGED TO MOVE ACROSS THE AREA LATER TONIGHT. FOR NOW...WILL KEEP THE CONCISE TAF SET IN TACK AND AMEND AS NECESSARY THROUGH THIS EVENING. && .MARINE...ONLY REAL DISAGREEMENT AMONG THE MODELS IS FOR LATE THIS AFTERNOON AND HOW MUCH OF A SEABREEZE CIRCULATION FORMS. GIVEN ABUNDANCE OF ACTIVITY ON RADAR...FEEL THE FLOW WILL BE CHAOTIC ENOUGH TO KEEP A TRUE SEABREEZE FROM FORMING...ALTHOUGH WINDS MAY BECOME MORE SOUTHWEST THROUGH THE EVENING HOURS. THEREAFTER...IT BECOMES A RATHER STRAIGHTFORWARD FORECAST WITH SLIGHTLY ENHANCED WESTERLY FLOW REGIME IN STORE THROUGH EARLY NEXT WEEK. && .PRELIMINARY POINT TEMPS/POPS... AMG 73 91 73 91 / 40 60 30 60 SSI 76 88 76 87 / 40 60 40 60 JAX 73 91 74 90 / 40 60 50 60 SGJ 75 89 75 88 / 40 60 50 60 GNV 73 90 74 90 / 40 60 50 60 OCF 72 90 73 90 / 40 60 50 60 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && ZAPPE/DEESE/WALKER
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 116 PM EDT SAT JUL 28 2007 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-290000- 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- 112 PM EDT SAT JUL 28 2007 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... ...SEVERE THUNDERSTORM WATCH 599 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR SOUTHEAST GEORGIA...NORTHEAST FLORIDA AND THE ADJACENT COASTAL WATERS... THE COMBINATION OF DAYTIME HEATING...MOIST ATMOSPHERIC CONDITIONS AND THE APPROACH OF AN UPPER LEVEL DISTURBANCE WILL LEAD TO STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON THROUGH THE EARLY EVENING. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS... LARGE HAIL...AND FREQUENT LIGHTNING STRIKES. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE AS WELL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... SCATTERED TO NUMEROUS THUNDERSTORM ACTIVITY IS EXPECTED THROUGH THE PERIOD. ISOLATED SEVERE THUNDERSTORMS WITH WET MICROBURST ACTIVITY WILL REMAIN POSSIBLE THROUGH MONDAY DUE TO UPPER LEVEL DISTURBANCES MOVING THROUGH THE REGION. LOCALLY HEAVY RAINFALL AND POOR DRAINAGE FLOODING WILL ALSO BE POSSIBLE FROM THUNDERSTORM ACTIVITY THROUGH THE PERIOD. .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. ECZ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 158 PM EDT SAT JUL 28 2007 GAZ154-166-281845- COASTAL CAMDEN-COASTAL GLYNN- 158 PM EDT SAT JUL 28 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EXTREME NORTHEAST CAMDEN AND SOUTHEAST GLYNN COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 245 PM EDT... AT 158 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 3 MILES SOUTH OF BRUNSWICK...MOVING EAST AT 10 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND DOVER BLUFF AND BRUNSWICK THROUGH 245 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. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. DEESE
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
214 PM EDT SAT JUL 28 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0151 PM TSTM WND GST 2 NNE ORANGE PARK 30.20N 81.69W
07/28/2007 M44 MPH DUVAL FL ASOS
&&
CARROLLSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 220 PM EDT SAT JUL 28 2007 FLZ023-GAZ150-163-164-281900- BAKER-CHARLTON-CLINCH-WARE- 220 PM EDT SAT JUL 28 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN BAKER...SOUTHERN CHARLTON...SOUTHEAST CLINCH AND SOUTHERN WARE COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 300 PM EDT... AT 220 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 15 MILES NORTHWEST OF TAYLOR...OR 10 MILES SOUTHEAST OF FARGO...MOVING SOUTHEAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND COUNCIL AND THE OKEFENOKEE NATIONAL WILDLIFE REFUGE THROUGH 300 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. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. DEESE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 221 PM EDT SAT JUL 28 2007 FLZ031-032-037-281900- BRADFORD-CLAY-PUTNAM- 221 PM EDT SAT JUL 28 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR BRADFORD... SOUTHWESTERN CLAY AND NORTHWESTERN PUTNAM COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 300 PM EDT... AT 221 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 3 MILES WEST OF STARKE TO 3 MILES SOUTHWEST OF PUTNAM HALL...MOVING EAST AT 5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND KEYSTONE HEIGHTS...HAMPTON...LAKE GENEVA...PUTNAM HALL...STARKE...KINGSLEY AND FLORAHOME THROUGH 300 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. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. ZAPPE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 221 PM EDT SAT JUL 28 2007 FLZ025-033-281900- DUVAL-ST. JOHNS- 221 PM EDT SAT JUL 28 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EASTERN ST. JOHNS AND SOUTHEASTERN DUVAL COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 300 PM EDT... AT 221 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 2 MILES NORTHEAST OF DURBIN...OR 7 MILES WEST OF GUANA RIVER STATE PARK...MOVING SOUTH AT 20 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND SAWGRASS...PALM VALLEY...DURBIN...BAYARD...GUANA RIVER STATE PARK...SOUTH PONTE VEDRA BEACH...BAKERSVILLE...VILANO BEACH...SAINT AUGUSTINE AND ANASTASIA THROUGH 300 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. IF FURTHER INTENSIFICATION OCCURS A WARNING MAY BE REQUIRED. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. CARROLL
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 233 PM EDT SAT JUL 28 2007 FLZ038-281915- FLAGLER- 233 PM EDT SAT JUL 28 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EASTERN FLAGLER COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 315 PM EDT... AT 233 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 5 MILES WEST OF PALM COAST...MOVING SOUTH AT 15 MPH. THESE STRONG THUNDERSTORMS WILL AFFECT AREAS AROUND PALM COAST...ESPANOLA...BUNNELL AND FLAGLER BEACH THROUGH 315 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. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. CARROLL
The Jacksonville radar (KJAX), 112 km away, was scanning. The volume nearest the first event began at 18:39 UTC.
6 heavy rain, 4 thunderstorm wind. Local standard time, as filed.
A spotter measured 1 inch of rainfall in less than 15 minutes from 240-255 pm local time in Palm Coast. Another spotter also in Palm Coast measured 3.5 inches of rainfall from 3-415 pm local time.
Around 247 pm, thunderstorm wind damage was reported in Palm Coast. Shingles were ripped off of a roof and a garage door was damaged. Thunderstorm wind gusts from 58 to 60 mph were measured in Flagler Beach around 320 pm local time. Around this time, trees were blown down in Palm Coast across 78 Frontier Street and Brushwood Lane. Around 322 pm, several large tree limbs were blown down in Flagler Beach.
A spotter measured 3.8 inches of rainfall in 2 hours.
Around 535 pm local time, a portion of Branford Highway about 5 miles southwest of Lake City was closed due to high water around waist deep in some areas. Around 854 pm local time, a reported was received that heavy rain caused a sink hole at a business in Fort White, east of Highway 47 near U.S. Highway 27.
Trees were down along Highway 441, according to Oleno State Park.
A spotter recorded 3.96 inches of rainfall since 620 pm local time. Law enforcement reported that the heavy rain caused street flooding across the county.
A spotter about 2 miles south of Suwannee River State Park measured 5.10 inches of rainfall from 645 pm to 815 pm local time.
A spotter about 10 miles west of Wellborn measured 5.50 inches of rainfall from 645 pm to 837 pm.
Trees were blown down across Northwest 66 Blvd near State Road 6. Time was estimated by Doppler radar.
Trees and power lines were blown down. The trees covered roadways across Live Oak.
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, July 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: 45930, 45937, 45947, 45934, 45938, 45931, 45932, 45933, 45939, 45940.