A cluster of slow moving thunderstorms sat over portions of Washington and Jackson county during the evening hours of April 12th and lingered into the overnight hours. Significant flash flooding resulted in Jackson county with up to 11 inches of rain falling in a 6-8 hour period.
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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 TAE wrote it up.
A cluster of slow moving thunderstorms sat over portions of Washington and Jackson county during the evening hours of April 12th and lingered into the overnight hours. Significant flash flooding resulted in Jackson county with up to 11 inches of rain falling in a 6-8 hour period. This resulted in numerous road closures.
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 Tallahassee, FL wrote its last area forecast discussion before the first event at Apr 12, 2:01 PM CST, 4 hours 19 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 401 PM EDT SUN APR 12 2015 .NEAR TERM [THROUGH TONIGHT]... A WEAK STATIONARY BOUNDARY IS STILL PRESENT OVER THE NORTHERN GULF OF MEXICO. MEANWHILE, A LOW IS DEVELOPING IN TX SUPPORTED BY A CUT-OFF UPPER LEVEL LOW. THIS STATIONARY/WARM FRONT WILL BEGIN TO MOVE NORTHWARD OVERNIGHT. WITH ABUNDANT MOISTURE IN PLACE, SHOWERY RAIN WILL BE PRESENT THROUGH TONIGHT WITH HEAVIER RAIN BANDS DEVELOPING IN THE OVERNIGHT/MORNING HOURS. RAIN WILL BE HEAVIER AND MORE WIDESPREAD IN THE THE WESTERNMOST AND NORTHERNMOST LOCATIONS. RAINFALL TOTALS ARE ESTIMATED TO BE 0.5 TO 0.75 INCH BY TOMORROW MORNING. LOWS WILL BE IN THE MID TO UPPER 60S. .SHORT TERM [MONDAY THROUGH TUESDAY NIGHT]... UNSETTLED CONDITIONS WILL PREVAIL THROUGH THE SHORT TERM AS A SERIES OF UPPER LEVEL SHORTWAVES EMBEDDED WITHIN THE SUBTROPICAL JET AFFECTS THE REGION. THE OVERALL COVERAGE OF RAINFALL IS EXPECTED TO BE FAIRLY HIGH ACROSS THE AREA WITH DEEP MOISTURE IN PLACE AND PWAT VALUES CONTINUING WELL ABOVE AVERAGE FOR THIS TIME OF YEAR. SUFFICIENT INSTABILITY EXISTS FOR CONVECTION...ALTHOUGH SEVERE WEATHER IS NOT EXPECTED WITH WIND FIELDS REMAINING UNIMPRESSIVE. THE MAIN IMPACT TO THE AREA WILL BE LOCALIZED HEAVY RAINFALL AMOUNTS. GIVEN THE DEEP MOISTURE IN PLACE...THUNDERSTORMS WILL BE EFFICIENT RAINFALL PRODUCERS...AND SOME OF THE CAM GUIDANCE RESPONDS WITH ISOLATED VERY HEAVY AMOUNTS. HOWEVER...THERE IS A LARGE AMOUNT OF DISAGREEMENT WITH RESPECT TO THE LOCATION AND EXACT TIMING OF THE HEAVIEST RAINFALL AMOUNTS. THIS IS LIKELY DUE TO SUBTLE NATURE OF THE SHORTWAVES EMBEDDED WITHIN THE SUBTROPICAL JET...WHICH CAN BE DIFFICULT TO FORECAST. POPS WILL GENERALLY BE IN THE 50-70 PERCENT RANGE DURING THE DAY AND 40-50 PERCENT AT NIGHT WITH OVERNIGHT LOWS WELL ABOVE AVERAGE DUE TO ALL THE CLOUD COVER AND MOISTURE. .LONG TERM [WEDNESDAY THROUGH SUNDAY]... THE UNSETTLED EL NINO-ISH PATTERN MAY CONTINUE ALL THE WAY INTO NEXT WEEKEND. ON THE HEMISPHERIC SCALE...THE SUBTROPICAL JET IS VERY WELL DEFINED ALL THE WAY WEST OF HAWAII AND WILL CONTINUE TO EXTEND EASTWARD ACROSS THE NORTHERN GULF. A SERIES OF WEAK UPPER LEVEL DISTURBANCES EMBEDDED IN THIS FLOW WILL KEEP CLOUDS AND ABOVE AVERAGE RAIN CHANCES AROUND THROUGH THE PERIOD. OVERNIGHT LOWS ARE EXPECTED TO CONTINUE ABOVE AVERAGE WITH NEAR AVERAGE DAYTIME HIGHS. && .AVIATION... [THROUGH 18Z MONDAY] CIGS WILL CONTINUE TO FLUCTUATE THIS AFTERNOON AND EVENING WITH A MIXTURE OF VFR, MVFR AND EVEN SOME IFR. IFR CONDITIONS ARE LIKELY IN THE EARLY MORNING HOURS. RAIN IS A POSSIBILITY THROUGHOUT THE TAF PERIOD. HOWEVER, RAIN WILL BE MORE WIDESPREAD AT DHN, ABY AND ECP. ISOLATED THUNDER IS POSSIBLE. LIGHT VARIABLE WINDS THIS AFTERNOON WILL BECOME SOUTHEASTERLY OVERNIGHT. && .MARINE... IN GENERAL...RELATIVELY LIGHT WINDS AND LOW SEAS WILL PREVAIL FOR THE NEXT SEVERAL DAYS. && .FIRE WEATHER... THE WET PATTERN WILL CONTINUE THROUGH THE WEEK. WHILE AREAS MAY NOT SEE A WETTING RAIN EACH DAY...MOST AREAS WILL HAVE A WETTING RAIN SOMETIME OVER THE NEXT SEVERAL DAYS. MINIMUM RH VALUES WILL REMAIN ABOVE 60 IN THE AFTERNOONS. && .HYDROLOGY... ABOVE AVERAGE RAINFALL IS EXPECTED OVER THE NEXT WEEK WITH AVERAGE TOTALS OF 3 TO 5 INCHES POSSIBLE OVER THE COURSE OF THE WEEK...HIGHEST ACROSS THE FLORIDA PANHANDLE AND SOUTHEAST ALABAMA. AS IS TYPICALLY THE CASE WITH CONVECTION...LOCALIZED HIGHER AMOUNTS ARE LIKELY. THESE AMOUNTS MAY FORCE SOME RIVERS INTO ACTION OR EVEN MINOR FLOOD STAGE BY THE END OF THE WEEK. && .PRELIMINARY POINT TEMPS/POPS... TALLAHASSEE 69 80 68 83 69 / 60 60 40 50 30 PANAMA CITY 71 78 71 79 69 / 60 60 40 50 30 DOTHAN 67 79 66 82 66 / 70 70 50 60 30 ALBANY 66 79 67 84 66 / 60 70 50 60 30 VALDOSTA 67 82 67 84 67 / 50 70 40 60 30 CROSS CITY 69 82 68 83 68 / 30 60 40 40 30 APALACHICOLA 72 79 72 81 70 / 50 60 40 40 30 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AL...NONE. GM...NONE. && NEAR TERM...MCDERMOTT SHORT TERM...DVD LONG TERM...DVD AVIATION...MCDERMOTT MARINE...DVD FIRE WEATHER...WESTON HYDROLOGY...DVD
The national radar mosaic for the moment the first event began.
16 flash flood. Local standard time, as filed.
Some roads were blocked off due to flooding around Old Bonifay Road and Martin Luther King Road, mainly north of Highway 90.
Corbin Road north of Alford was closed and impassible. This report was forwarded by a WMBB meteorologist.
The intersection of Highway 73 and Highway 231 was underwater and the Sheriff's office put up barricades. This report was forwarded by a WMBB meteorologist.
Highway 90 west of Cottondale was impassible due to water over the roadway.
Bonnet Pond Road off of Highway 231 was impassible due to water over the roadway.
Portions of Biggs Road were washed out. Damage was estimated.
Portions of City Square Road were washed out between Highway 231 and Lakepoint Road. Damage was estimated.
Portions of Crooms Road between Rowell Road and Palatka Road were washed out. Damage was estimated.
Portions of Holly Timber Road near the bridge were washed out. Damage was estimated.
Iron Bridge Road near Dry Creek Road was closed due to possible bridge damage. Damage was estimated.
Portions of Josephine Road were washed out. Damage was estimated.
Portions of Maddox Road were washed out. Damage was estimated.
Mill Road east of Highway 231 was closed due to water running over the road.
A cross pipe was washed out on Perry Road. Damage was estimated.
Scott Church Road was closed due to flooding.
A cross pipe was washed out on Shores Road. Damage was estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2015Every state in 2015This day in weather historyWarnings in Florida, April 2015
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: 565657, 565661, 565662, 565663, 565664, 565851, 565852, 565855, 565858, 565860, 565862, 565873, 565874, 565875, 565876, 565877.