An inverted surface trough drifted westward over the area and combined with high moisture content and diurnal instability, locally heavy rainfall resulted from afternoon thunderstorms.
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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 JAX wrote it up.
An inverted surface trough drifted westward over the area and combined with high moisture content and diurnal instability, locally heavy rainfall resulted from afternoon thunderstorms.
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 Sep 5, 1:23 PM EST, 1 hour 37 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 223 PM EDT FRI SEP 5 2014 ...LOCALLY HEAVY RAINFALL THIS AFTERNOON AND THIS WEEKEND... .SHORT TERM...AT THE SURFACE A BROAD TROUGH IS LOCATED ACROSS THE AREA WITH WEAK LOW PRESSURE CENTER MEANDERING OVER SE GA. SURGE OF TROPICAL MOISTURE IS ADVECTING IN FROM THE SOUTHEAST AROUND MID LEVEL LOW TO THE SOUTH. THIS WILL PRODUCE NUMEROUS SHOWERS WITH EMBEDDED THUNDER THIS AFTERNOON AND EVENING. SLOW CELL MOTION WILL PRODUCE AREAS OF HEAVY RAINFALL AND POSSIBLE LOCALIZED FLOODING. TEMPERATURES WILL BE HELD DOWN SOME BY CLOUDS AND RAIN WITH MAX READINGS MOSTLY IN THE UPPER 80S. LOWS TONIGHT WILL BE IN THE LOWER/MID 70S. SATURDAY...THE INVERTED COASTAL TROUGH WILL LIFT NORTH AND MERGE WITH A BROAD TROUGH ACROSS SOUTH CNTL GA. LIGHT SW FLOW SOUTH OF THE TROUGH WILL COMBINE WITH DEEP TROPICAL MOISTURE AND INSTABILITY WHICH WILL PRODUCE NUMEROUS SHOWERS/STORMS. BEST RAIN CHANCES WILL BE ALONG THE COAST AND COASTAL WATERS DURING THE MORNING AND SPREADING INLAND DURING THE AFTERNOON AND EVENING. STORMS WILL FADE AFTER MIDNIGHT BUT WILL PROBABLY LINGER OFFSHORE. MAIN CONCERNS WILL BE FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN IN EXCESS OF 2 INCHES. SUNDAY/MONDAY...A BROAD TROUGH WILL REMAIN ACROSS SOUTH CNTL GA WHILE A RIDGE BUILDS IN ACROSS CNTL FL. THE RESULT WILL BE A SQUEEZE OF TROPICAL MOISTURE ACROSS THE REGION COMBINING WITH INSTABILITY WHICH WILL PRODUCE NUMEROUS SHOWERS.STORMS. BEST RAIN CHANCES WILL BE LATE NIGHT/MORNING TOWARDS GULF COAST AND TOWARDS THE ATLANTIC COAST AFTERNOON/EVENING. A FEW STORMS MAY BE STRONG DUE TO PCP LOADING BUT MAIN CONCERN AGAIN WILL BE LOCALLY HEAVY RAIN IN EXCESS OF 2 INCHES GIVEN HIGH PWAT'S AND TRAIN ECHOING OF CELLS. .LONG TERM (TUESDAY THROUGH FRIDAY)... LINGERING MID LEVEL 500 MB TROUGH OVER SE GA/NE FL FINALLY LIFTS NE TUE MORNING AS STACKED HIGH PRESSURE REBUILDS OVER THE FL PENINSULA. DRIER AIR AND BUILDING SUBSIDENCE WILL BRING A DECREASE IN DAILY RAIN CHANCES AND WARMER TEMPS. DECREASED RAIN CHANCES FROM 40-50% INLAND TUE AFTN TO ONLY 25-35% INLAND BY WED AFTN. TEMPS WILL RANGE FROM THE MID 80S COAST TO LOW 90S INLAND WITH LOWS IN THE 70S. && .AVIATION...SHOWERS INCREASING THIS AFTERNOON/EVENING AT TAF SITES. VFR CONDITIONS WILL BECOME MVFR IN SHOWERS THROUGH EARLY EVENING. HAVE TEMPO TSRA UNTIL AROUND 22Z WITH VCSH THEREAFTER. && .MARINE...S/SE WINDS 10-15 KT WILL PREVAIL THROUGH THE PERIOD WITH WINDS SLIGHTLY ELEVATED AT NIGHT BUT NO HEADLINES EXPECTED. NUMEROUS SHOWERS AND SCATTERED STORMS. RIP CURRENTS: A MODERATE RISK IS POSSIBLE DURING THE WEEKEND AS A LONGSHORE SOUTH TO NORTH CURRENT DEVELOPS AND LONG PERIOD EASTERLY SWELLS POTENTIALLY REACH THE BEACHES. && .PRELIMINARY POINT TEMPS/POPS... AMG 73 89 73 90 / 50 70 60 70 SSI 76 84 75 86 / 70 60 60 60 JAX 74 88 73 89 / 70 60 60 60 SGJ 75 86 74 86 / 70 50 50 60 GNV 72 87 72 87 / 60 60 60 60 OCF 72 86 72 86 / 60 60 50 60 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && ZIBURA/PETERSON/WALKER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 534 AM EDT FRI SEP 5 2014 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040- GAZ132>136-149>154-162>166-060945- ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM- FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM- ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM- ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE- FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE- ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-HAMILTON- SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-ST JOHNS- GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-JEFF DAVIS-BACON- APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-INLAND GLYNN- COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-COASTAL CAMDEN- 534 AM EDT FRI SEP 5 2014 ...PERIODS OF HEAVY RAINFALL EXPECTED FROM THIS AFTERNOON THROUGH THE WEEKEND WITH LOCALIZED FLOODING POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... A LOW PRESSURE TROUGH WILL MOVE NORTHWARD FROM THE FLORIDA PENINSULA INTO OUR REGION. THIS FEATURE...IN COMBINATION WITH THE AFTERNOON ATLANTIC SEA BREEZE MOVING INLAND...WILL DEVELOP SCATTERED TO NUMEROUS SHOWERS AND EMBEDDED THUNDERSTORMS ACROSS NORTH CENTRAL AND NORTHEAST FLORIDA...AS WELL AS COASTAL SOUTHEAST GEORGIA. THIS ACTIVITY WILL SPREAD INTO INTERIOR SOUTHEAST GEORGIA TOWARDS THE LATE AFTERNOON AND EARLY EVENING HOURS. A PERIOD OF LOCALLY HEAVY RAINFALL IS POSSIBLE ACROSS COASTAL LOCATIONS THIS EVENING...WITH SLOW MOVEMENT OF DOWNPOURS POSSIBLY RESULTING IN LOCALIZED FLOODING. ACTIVITY WILL ONLY SLOWLY DECREASE IN COVERAGE IN COASTAL LOCATIONS DURING THE OVERNIGHT HOURS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... LOW PRESSURE WILL MEANDER ACROSS SOUTHEAST GEORGIA THIS WEEKEND...AND A FRONTAL BOUNDARY WILL ALSO MOVE INTO THIS REGION FROM THE NORTHWEST BEFORE STALLING. SCATTERED TO NUMEROUS SLOW MOVING SHOWERS AND THUNDERSTORMS ARE EXPECTED SATURDAY THROUGH MONDAY...MAINLY DEVELOPING DURING THE LATE MORNING HOURS AND PERSISTING INTO THE EARLY EVENING HOURS EACH DAY. RAINFALL TOTALS OF 2 TO 4 INCHES ARE EXPECTED FROM THIS AFTERNOON THROUGH MONDAY...WITH LOCALLY HEAVIER AMOUNTS EXPECTED. LOCALIZED FLOODING CONCERNS WILL INCREASE THIS WEEKEND...PARTICULARLY IN URBAN AND COASTAL LOCATIONS. A FEW STRONG THUNDERSTORMS WILL BE POSSIBLE DURING THE AFTERNOON AND EARLY EVENING HOURS FROM SUNDAY THROUGH TUESDAY...WITH GUSTY WINDS AND FREQUENT LIGHTNING STRIKES BEING THE MAIN HAZARDS. DAILY THUNDERSTORM COVERAGE IS EXPECTED TO DECREASE BY WEDNESDAY AND THURSDAY. .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. NELSON
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Street flooding was reported near the intersection of State Road 100 and Commercial Road with about 3-4 inches of standing water on the roadway.
Secondary roads had standing water on them in the Maddox area. A few locations were not passable.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2014Every state in 2014This day in weather historyWarnings in Florida, September 2014
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: 539398, 539399.