Mean layer high pressure was NW of the area with mean layer flow form the ENE. Sea breeze thunderstorms along the Atlantic coast developed during the early afternoon, and produced some lightning damage in Duval county, including a wildfire near Pumpkin Hill Creek.
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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.
Mean layer high pressure was NW of the area with mean layer flow form the ENE. Sea breeze thunderstorms along the Atlantic coast developed during the early afternoon, and produced some lightning damage in Duval county, including a wildfire near Pumpkin Hill Creek.
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 2, 8:20 AM EST, 4 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 920 AM EDT TUE SEP 2 2014 .UPDATE...MORNING SOUNDINGS SHOW SLIGHTLY MORE UNSTABLE ENVIRONMENT WITH -7C TO -8C 500MB TEMPS AND DRIER MID-LEVEL AIR ABOVE MOIST LAYER...WITH HEATING SUPPORTING AFTERNOON CAPE VALUES NEAR 3000 J/KG. MID-LEVEL DIFFERENTIAL THETA-E VALUES ARE EXPECTED TO BE IN THE LOW/MID 20S GIVEN DRIER AIR ALOFT...SUPPORTING POTENTIAL FOR STRONG DOWNBURSTS WITH THE STRONGER STORMS THAT DEVELOP. HI-RES MODELS SUPPORT A SOMEWHAT DIFFERENT SCENARIO THAN PAST FEW DAYS WHEN WE EXPECTED GREATER COVERAGE SOUTH THAN NORTH. TODAY... MODELS SUGGEST GREATER COVERAGE NORTH...INITIALLY ALONG SE GA COAST SEA BREEZE AND INCREASING IN COVERAGE DUE TO HEATING AND INTERACTION WITH APPARENT MID-LEVEL VORTICITY CENTER AS INDICATED BY SWIRL OF MID CLOUDINESS OVER CTRL GA WHICH SHOULD MOVE SLOWLY E OR SE. MODELS SUGGEST LESSER COVERAGE AS YOU GO SOUTHWARD... WITH EXCEPTION OF WHERE WEST AND EAST COAST SEA BREEZES CONVERGE TOWARD EVENING...GENERALLY ALONG I-75 CORRIDOR. HAVE UPDATED HOURLY POP GRIDS TO FOLLOW THIS SCENARIO. HIGH TEMP FORECAST FOR TODAY LOOKS GOOD...WITH MID 90S INTERIOR... LOW 90S INLAND COUNTIES...AND UPPER 80S COAST. && .AVIATION...VFR CONDITIONS EXPECTED...EXCEPT LOWER VICINTY OF SCATTERED AFTERNOON/EARLY EVENING TSRA. GREATER COVERAGE EXPECTED WELL INLAND OF SE GA/NE FL COMPARED TO COAST...WITH ONLY ISOLATED ACTIVITY EXPECTED UNTIL MID/LATE AFTERNOON WHEN COVERAGE SHOULD INCREASE. DRIER AIR ALOFT WILL MAKE INTENSE DOWNBURSTS POSSIBLE WITH STRONGER STORMS THAT DEVELOP. && .MARINE...NO SIGNIFICANT CHANGE EXPECTED IN NEXT CWF ISSUANCE. S/SE WINDS UNDER 15 KT WILL PREVAIL INTO THE UPCOMING WEEKEND WITH SEAS MAINLY 2-3 FT. ISOLATED SHOWERS/TSTMS WILL PREVAIL THROUGH MIDWEEK...WITH SOME INCREASE LATE WEEK AS A WEAK WAVE APPROACHES THE WATERS. RIP CURRENTS: GENERAL LOW RISK THROUGH WEDNESDAY WITH FAIRLY SMALL SWELLS AROUND 1-2 FT AND WEAK ONSHORE EXCEPT FOR BRIEF WIND INCREASE ASSOCIATED WITH E COAST SEA BREEZE IN THE AFTERNOONS. && .PRELIMINARY POINT TEMPS/POPS... AMG 95 73 95 73 / 60 50 40 30 SSI 89 76 88 76 / 20 10 20 10 JAX 92 73 92 73 / 30 20 30 20 SGJ 88 74 88 75 / 20 10 20 10 GNV 92 71 92 71 / 50 40 30 30 OCF 92 71 93 71 / 40 30 40 40 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && WOLF/GUILLET
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 420 AM EDT TUE SEP 2 2014 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040- GAZ132>136-149>154-162>166-030830- 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- 420 AM EDT TUE SEP 2 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED TODAY. THE BEST COVERAGE OF STORMS WILL BE ACROSS THE INLAND AREAS. STORM MOTION WILL BE SLOW PUSHING WESTWARD AND LEAD TO A CHANCE OF LOCALLY HEAVY RAINFALL RATES NEAR 2 INCHES PER HOUR LATER THIS AFTERNOON AND DURING THE EVENING. SOME STORMS WILL ALSO PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED THE REST OF THE WEEK. THE BEST COVERAGE OF STORMS WILL BE ACROSS THE INLAND AREAS THROUGH MID WEEK AND AREA WIDE FROM FRIDAY INTO THE WEEKEND. SOME STORMS MAY BE STRONG AND PRODUCE FREQUENT LIGHTNING IN ADDITION TO LOCALLY HEAVY RAIN AND GUSTY WINDS. .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.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
200 PM EDT TUE SEP 2 2014
GAZ136-153-021845-
INLAND GLYNN-WAYNE-
200 PM EDT TUE SEP 2 2014
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR WAYNE AND GLYNN
COUNTIES FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 245 PM
EDT...
AT 200 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 5 MILES NORTH OF
MOUNT PLEASANT TO 8 MILES EAST OF EVERETT...MOVING EAST AT 5 MPH.
THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND EVERETT AND
MOUNT PLEASANT THROUGH 245 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.
LAT...LON 3126 8153 3144 8176 3153 8166 3153 8165
3151 8165 3148 8161 3145 8162 3142 8160
3134 8149
TIME...MOT...LOC 1800Z 274DEG 4KT 3150 8164 3134 8151
ENYEDIThe Jacksonville radar (KJAX), 42 km away, was scanning. The volume nearest the first event began at 18:29 UTC.
1 wildfire, 1 lightning, 1 thunderstorm wind. Local standard time, as filed.
A sea breeze thunderstorm produced a lightning strike which caused a brush fire in the Pumpkin Hill Creek Preserve. The fire grew to approximately 3.6 acres near Cedar Point Road. There was no threat to life.
A lightning strike to a power sub-station at the corner of Old St. Augustine Road near Gran Bay Parkway caused widespread power outages and a transformer fire. About 6000 homes were without power, and traffic lights along several main Southsite Roads were inoperable. The cost of damage was estimated for the event to be included in Storm Data.
A tree was blown down on U.S. Highway 301 near Meadows Lane.
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: 539397, 539394, 539395.