Heavy Rain, Duval
- When
- August 24, 2:53 PM EST to 3:53 PM EST
- Where
- Duval County, Jacksonville Intl Ap
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 30.335, -81.648 (the zone’s center; the record gives no point)
Heavy Rain in Florida, August 24, 2006
22 inches of rain in one hour.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS JAX wrote it up.
The KJAX ASOS measured 4.22 inches of rain in one hour.
What forecasters said that day
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 24, 1:30 PM EST, 1 hour 23 minutes earlier.
Area forecast discussion, Aug 24, 1:30 PM EST, 1 hour 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 230 PM EDT THU AUG 24 2006 .SYNOPSIS...UPPER TROF EXTENDS FROM THE E GREAT LAKES TO THE S CENTRAL GOMEX. HIGH PRES RIDGE EXTENDS FROM THE YUCATAN PENINSULA ACROSS S FL AND INTO THE ATLC. AT THE SFC...QUASI-STATIONARY FRONT LIES ACROSS S CENTRAL GA. CONVECTION STARTED EARLY OVER THE GULF COAST...AND HAS GRADUALLY SPREAD ACROSS THE S 1/3 OF THE AREA. REMAINDER OF THE AREA IS NOW GETTING IN ON PRECIP...BUT MOST STORMS OVER THE REMAINING N 2/3 ARE STILL SMALL AND WEAK. .SHORT TERM...ATLC SEABREEZE JUST BEGINNING...BUT SHOULD HAVE A GOOD PUSH TO AT LEAST I-95 BY MID TO LATE AFTN. COVERAGE OVER THE N 1/3 OF THE AREA WILL BE INFLUENCED BY WEAK DIF POS VORT ADVECTION...AND OVERALL PRECIP COVERAGE MAY END UP SIMILAR TO WED EVENINGS. MODEL DIFFERENCES ABOUND WITH RESPECT TO HOW FAR S THE SFC FRONT REACHES OVER THE NEXT 48 HRS AND THE AMOUNT OF FRONTAL CONVERGENCE ASSOCIATED WITH IT. NAM IS MOST PROGRESSIVE WITH FRONT...WITH GFS WASHING THE FEATURE OUT QUICKLY. IN ADDITION...NAM DRIES THE N 2/3 OF THE AREA OUT BY SAT. LOOKING AT UPSTREAM DATA...AM INCLINED TO LEAN TOWARD THE GFS. HOWEVER...HAVE BLENDED A BIT WITH THE NAM JUST BECAUSE THE GFS HAS BEEN A BIT TOO WET OF LATE. .LONG TERM...HAVE MADE FEW CHANGES TO EXISTING PACKAGE OTHER THAN TO REFINE THE DIURNAL POP CYCLE A BIT. TEMPS SHOULD REMAIN NEAR TO SLIGHTLY ABOVE NORMAL. && .MARINE...SFC TROUGH TO GRADUALLY SAG SOUTH OVER NEXT FEW DAYS WITH WINDS OVER THE WATERS GRADUALLY BECOMING ONSHORE. SPEEDS WILL REMAIN ON THE LOW SIDE HOWEVER KEEPING SEAS GENERALLY BELOW 4 FEET. && .AVIATION...ACTIVE AFTN CONVECTION-WISE WITH TEMPO TSRA FOR ALL TAF SITES. JAX AND CRG LOOK TO BE THE LAST SITES TO GET ON THE ACTION TODAY. COULD SEE SOME LIGHT FG OVERNIGHT AT GNV BUT SHOULD STAY ABOVE 3SM. && .PRELIMINARY POINT TEMPS/POPS... AMG 73 89 71 90 / 50 50 40 30 SSI 75 87 76 87 / 40 40 30 30 JAX 73 88 73 88 / 50 60 50 40 SGJ 76 86 76 86 / 50 60 60 50 GNV 74 88 74 88 / 50 70 70 70 OCF 74 88 73 88 / 50 70 70 70 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. MARINE...NONE. && PUBLIC...CARROLL MARINE/FIRE WX/AVIATION...CAMP
Hazardous weather outlook, Aug 24, 4:42 AM EST, 10 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 542 AM EDT THU AUG 24 2006 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-250900- 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- 542 AM EDT THU AUG 24 2006 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...SCATTERED TO NUMEROUS THUNDERSTORMS TODAY... DUE TO HIGH ATMOSPHERIC MOISTURE OVER THE AREA AND A TROUGH OF LOW PRESSURE OVER SOUTHERN GEORGIA...SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY. SHOWERS AND STORMS WILL BE DEVELOPING OVER INLAND NORTHEAST FLORIDA AND SOUTHEAST GEORGIA THIS MORNING THEN SPREAD TOWARD THE EAST COAST DURING THE AFTERNOON. MARINERS SHOULD BE PREPARED FOR STORMS MOVING TOWARD THE COAST BY EARLY AFTERNOON. SIMILAR TO YESTERDAY SOME STORMS WILL BE CAPABLE OF PRODUCING A WATERSPOUT ALONG THE EAST COAST. THE OTHER CONCERNS WITH THE STORMS WILL BE LOCALLY HEAVY RAINFALL WHICH WILL LIKELY CAUSE TEMPORARY FLOODING IN POOR DRAINAGE AREAS AND FLOOD PRONE AREAS. THERE IS ALSO THE POSSIBILTY OF EXCESSIVE LIGHTNING AND GUSTY WINDS OF 40 TO 50 MPH WITH THE STRONGER STORMS. MOVEMENT OF THIS ACTIVITY WILL BE EAST TO SOUTHEAST AT 5 TO 10 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... A FRONTAL TROUGH OVER THE REGION AND HIGH ATMOSPHERIC MOISTURE WILL ONCE AGAIN LEAD TO SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS. THE MAIN IMPACTS WILL BE LOCALLY HEAVY RAINFALL MAINLY OVER EXTREME SOUTHEAST GEORGIA AND MOST OF NORTHEAST FLORIDA. RAIN CHANCES WILL DECREASE GRADUALLY DURING THE WEEKEND AS THE FRONTAL TROUGH WEAKENS. .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 WWW.SRH.NOAA.GOV/JAX. ARS
In the hours before
Special weather statement, Aug 24, 2:15 PM EST, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 315 PM EDT THU AUG 24 2006 FLZ032-242000- CLAY- 315 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR WESTERN CLAY COUNTY FOR EXCESSIVE LIGHTNING VALID UNTIL 400 PM EDT... AT 315 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 9 MILES WEST OF MIDDLEBURG...OR 12 MILES EAST OF RAIFORD...MOVING EAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND MIDDLEBURG THROUGH 400 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED. POSTPONE OUTDOOR ACTIVITIES PROMPTLY. GO QUICKLY INSIDE A COMPLETELY ENCLOSED BUILDING. UNPLUG ELECTRONIC DEVICES AND APPLIANCES AS THEY ARE SUSCEPTIBLE TO POWER SURGES AND MAY BE DAMAGED BY NEARBY LIGHTNING STRIKES. 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, Aug 24, 2:21 PM EST, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 321 PM EDT THU AUG 24 2006 FLZ022-242000- COLUMBIA- 321 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR COLUMBIA COUNTY FOR EXCESSIVE LIGHTNING VALID UNTIL 400 PM EDT... AT 321 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED ALONG A LINE EXTENDING FROM 21 MILES NORTH OF SUWANNEE VALLEY TO 3 MILES NORTHWEST OF SUWANNEE VALLEY... MOVING EAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND SUWANNEE VALLEY...WINFIELD...LAKE CITY...FIVE POINTS AND WATERTOWN THROUGH 400 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED. POSTPONE OUTDOOR ACTIVITIES PROMPTLY. GO QUICKLY INSIDE A COMPLETELY ENCLOSED BUILDING. UNPLUG ELECTRONIC DEVICES AND APPLIANCES AS THEY ARE SUSCEPTIBLE TO POWER SURGES AND MAY BE DAMAGED BY NEARBY LIGHTNING STRIKES. 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, Aug 24, 2:32 PM EST, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 332 PM EDT THU AUG 24 2006 GAZ133-242015- JEFF DAVIS- 332 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR JEFF DAVIS COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 415 PM EDT... AT 332 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES NORTH OF SNIPESVILLE...OR 9 MILES SOUTHWEST OF HAZLEHURST...MOVING EAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND SNIPESVILLE AND HAZLEHURST THROUGH 415 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 30 TO 50 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, Aug 24, 2:38 PM EST, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 338 PM EDT THU AUG 24 2006 FLZ025-242030- DUVAL- 338 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR DUVAL COUNTY FOR STRONG WINDS AND FUNNEL CLOUDS VALID UNTIL 430 PM EDT... AT 338 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 4 MILES NORTH OF MANDARIN...MOVING EAST AT 5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND MANDARIN AND UNF THROUGH 430 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. A SPOTTER NORTH OF THE ORANGE PARK DOG TRACK INDICATED WEAK ROTATION WITHIN THIS STORM. A WEAK WATERSPOUT OR TORNADO MAY DEVELOP WITH LITTLE OR NO ADVANCE WARNING AS THE SEA BREEZE MERGES WITH OUTFLOWS. 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, Aug 24, 2:45 PM EST, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 345 PM EDT THU AUG 24 2006 FLZ032-242030- CLAY- 345 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN CLAY COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 430 PM EDT... AT 345 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 3 MILES NORTHWEST OF LAKESIDE...MOVING EAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND LAKESIDE...DOCTORS INLET...BELLAIR AND ORANGE PARK THROUGH 430 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 50 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, Aug 24, 2:49 PM EST, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 349 PM EDT THU AUG 24 2006 FLZ022-023-242045- BAKER-COLUMBIA- 349 PM EDT THU AUG 24 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR BAKER AND COLUMBIA COUNTIES FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 445 PM EDT... AT 349 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 12 MILES WEST OF TAYLOR...OR 16 MILES SOUTH OF FARGO...MOVING EAST AT 5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND TAYLOR THROUGH 445 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 50 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...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heavy rain. Local standard time, as filed.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Minnesota, August 24, 2006
- Tornado in South Dakota, August 24, 2006
- Flash Flood in New Mexico, August 24, 2006
- Tornado in South Dakota, August 24, 2006
- Tornado in South Dakota, August 24, 2006
- Tornado in North Dakota, August 24, 2006
- Hail and Damaging Winds in Wisconsin, August 24, 2006
- Tornado in South Dakota, August 24, 2006
- Tornado in South Dakota, August 24, 2006
- Damaging Wind in North Dakota, August 24, 2006
- Hail and Damaging Winds in Illinois, August 24, 2006
- Hail in North Dakota, August 24, 2006
More
Every storm in Florida in 2006Every state in 2006This day in weather historyWarnings in Florida, August 2006
Sources
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: 5521787.