A thunderstorm developed rapidly along the east coast sea breeze over coastal Volusia County and produced severe wind gusts and hail up to nickel size at Daytona Beach Airport.
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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 MLB wrote it up.
A thunderstorm developed rapidly along the east coast sea breeze over coastal Volusia County and produced severe wind gusts and hail up to nickel size at Daytona Beach Airport.
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 Melbourne, FL wrote its last area forecast discussion before the first event at Jun 24, 3:00 PM EST, 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 400 PM EDT TUE JUN 24 2014 .DISCUSSION... TONIGHT... CONVECTION STRUGGLING TO DVLP THIS AFTN DESPITE RESPECTABLE THERMODYNAMIC INSTABILITY. MOST LIKELY REASON IS A LACK OF ANY NOTEWORTHY MID LVL VORTICITY COUPLED WITH WEAK LAPSE RATES THRU THE H95-H80 LYR DUE AN H100-H70 ANTICYCLONE PARKED OFF THE SW FL COAST. EAST COAST SEA BREEZE HAS PUSHED W OF I-95 AND WILL INTERACT WITH EXISTING CONVECTION THRU ERLY EVNG. A BAND OF DRY H85-H50 AIR EXTENDING FROM THE NRN BAHAMAS TO THE NE GOMEX WILL KEEP STORM COVERAGE ISOLD...BUT WILL MAINTAIN HIGH GUST POTENTIAL FROM ANY STORMS THAT DO DVLP. WRLY STEERING FLOW ALOFT WILL PUSH ANY STORMS BACK TO THE E. WILL KEEP PRECIP IN THE FCST THRU 03Z. CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPS TO FALL TO WITHIN A DEG OR TWO OF EXISTING DEWPOINTS...CURRENTLY IN THE L/M70S. WED-WED NIGHT... DEEP W/NWRLY FLOW WILL CONTINUE THE ATLC RIDGE AXIS REMAINS OVER THE S HALF OF FL. A WEAKNESS IN THE RIDGE N OF HISPANIOLA SHOULD ALLOW ITS WRN PORTION TO PINCH OFF AND DRIFT INTO THE CENTRAL GOMEX AS A FRONTAL TROF EXTENDING FROM THE GREAT LAKES TO THE LWR MS VALLEY PUSHES TO THE ERN SEABOARD. LCL PGRAD WILL WEAKEN AS A RESULT... WHICH IN TURN WILL ALLOW THE EAST COAST SEA BREEZE TO FORM AND MAKE DECENT INLAND PROGRESS. BUBBLE RIDGES OVER THE GOMEX PRODUCE A LYR MEAN W/NW FLOW...ONE OF THE LOWEST CONVECTIVELY ACTIVE REGIMES FOR THE FL PENINSULA. MOS GUIDANCE INDICATES THIS WITH POPS LARGELY BLO 20PCT. HARD TO ARGUE WITH CURRENT MID LVL VORT/UPR LVL DIV FIELDS AS FLAT AS THEY ARE. HOWEVER...THE DRY AIR SHOULD MODIFY AS THE DEEP WRLY FLOW PUSHES HIGHER MOISTURE IN FROM THE CENTRAL GOMEX...WHILE THE SFC/LOW LVL PGRAD WILL REMAIN WEAK ENOUGH TO ALLOW THE EAST COAST SEA BREEZE TO DVLP BY MID AFTN. WILL GO ABV MOS GUIDANCE WITH A 30-40PCT INTERIOR/COASTAL SPLIT. LITTLE CHANGE IN MAX/MIN TEMPS FROM RECENT DAYS...AFTN READINGS IN THE L/M90S INLAND...U80S/L90S COAST... PREDAWN READINGS IN THE L/M70S. THU-FRI...(PREV DISC) SERIES OF WEAK TROUGHS PUSHING THROUGH THE EASTERN US AND RIDING OVER TOP OF THE UPPER RIDGE WILL INITIALLY KEEP IT FROM MAKING MUCH MORE NORTHWARD PROGRESS INTO LATE WEEK WHILE SETTING UP A SEMI-PERSISTENT TROUGH JUST TO THE EAST OF FLORIDA INTO FRIDAY. STRUNG OUT SURFACE BOUNDARY WILL MOVE INTO N FLORIDA BY THURSDAY WITH ITS PARENT LOW WELL NORTH INTO NEW ENGLAND AND THE CANADIAN MARITIMES. IT WILL EVENTUALLY WASH OUT ACROSS THE PENINSULA AS NONE OF THE UPPER LEVEL SHORTWAVES WILL HAVE ENOUGH PUSH TO MOVE IT THROUGH...AS EXPECTED THIS TIME OF YEAR. GFS AND ECMWF STILL DIFFER SLIGHTLY IN THE UPPER LEVEL PATTERN WITH THE ECMWF CONTINUING TO KEEP THE TROUGHINESS FURTHER WEST ACROSS THE PENINSULA AND THE GFS PLACING IT MORE EAST INTO THE ATLANTIC. THIS WILL HAVE IMPLICATIONS FOR STEERING FLOW AND EVENTUAL BEST STORM COVERAGE...WITH THE ECMWF BEING THE WETTER OF THE TWO MODELS. GIVEN THE GFS' BELOW CLIMO POPS AND THE OVERALL PATTERN...HAVE LEANED WITH THE ECMWF AND MADE ONLY MINOR CHANGES KEEPING THE INTERIOR/EAST FAVORED FOR BEST COVERAGE. POPS WILL RANGE FROM AROUND 40 PERCENT ALONG THE TREASURE COAST TO 50 PERCENT OVER THE INTERIOR AND VOLUSIA COAST. WARM TEMPERATURES CONTINUE IN THE LOW-MID 90S. SAT-TUE...(PREV DISC) GFS AND ECMWF MODELS SOLUTIONS DIVERGE INTO THE EXTENDED MAINLY IN THE UPPER LEVELS. THE GENERAL PATTERN WILL BE FOR THE WESTERN EXTENSION OF THE UPPER RIDGE TO BUILD ACROSS THE GULF/DEEP SOUTH WITH TROUGHINESS REMAINING OVER THE EASTERN ATLANTIC/FL PENINSULA. THE GFS KEEPS THE GULF END OF THE RIDGE INTACT WITH ITS WESTERN ATLANTIC COMPONENT AND THEREFORE THE EASTERN ATLANTIC TROUGH REMAINS SHALLOWER AND FURTHER NORTH. THE ECMWF BUILDS A RATHER STRONG RIDGE OVER THE CENTRAL GULF COAST AND DEEP SOUTH WHICH ALLOWS THE TROUGH TO EXTEND INTO THE FLORIDA PENINSULA...THOUGH NOT AS STRONG AS PREVIOUS RUNS. BOTH MODELS HAVE STEERING FLOW BECOMING MORE NORTH-NORTHEAST... THOUGH THIS MAY BE NEGATED BY THE ECMWF KEEPING A VORT MAX DIRECTLY OVERHEAD. HAVE TRENDED POPS TOWARDS CLIMO AS ACTIVITY MAY BEGIN TO FAVOR THE WESTERN SIDE OF THE PENINSULA IF THIS MATERIALIZES. && .AVIATION... THRU 25/00Z...EAST COAST SEA BREEZE LOCATED W OF I-95 WILL DRIFT INLAND BUT SHUD REMAIN E OF KMCO-KORL...SFC WNDSHFT ACRS THE BNDRY FM W/NW TO E/NE BLO 12KTS. ISOLD MVFR SHRAS/IFR TSRAS E OF KOMN-KISM MVG E AT 10-15KTS...LIFR TSRAS WITH SFC WND G35KTS PSBL ALNG THE SEA BREEZE BNDRY. AFT 25/00Z...VFR ALL SITES...SFC WNDS BCMG LGT/VRBL. && .MARINE... BROAD FRONTAL TROF EXTENDING FROM THE GREAT LAKES TO THE LWR MS VALLEY WILL PUSH INTO THE W ATLC BY WEEK'S END. THIS WILL KEEP THE ATLC RIDGE AXIS DISORGANIZED AND OVR THE SRN HALF OF THE FL PENINSULA. A CLASSIC SEABREEZE-LAND BREEZE CIRCULATION WILL CONTINUE WITH THE ONSHORE FLOW DLVPG BY MIDDAY AND THE OFFSHORE FLOW DVLPG BY LATE EVENING. AS THE FRONT DRIFTS INTO N FL/S GA...LCL PGRAD WILL TIGHTEN ENOUGH FOR A GENTLE TO MODERATE S-SW BREEZE TO DVLP N OF SEBASTIAN INLET WED NIGHT INTO THU. SEAS GENERALLY 1-2FT...UP TO 3FT IN THE GULF STREAM. SCATTERED SHOWERS AND STORMS OVER THE GULF STREAM DURING THE OVERNIGHT HRS...DAYTIME SHRAS/TSRAS MOVING OFFSHORE EACH AFTN/EVNG. && .PRELIMINARY POINT TEMPS/POPS... DAB 74 90 74 89 / 20 30 30 30 MCO 74 92 75 93 / 20 30 20 40 MLB 74 88 74 89 / 20 40 20 30 VRB 73 88 75 88 / 20 40 20 30 LEE 74 92 75 93 / 20 30 20 40 SFB 74 93 76 93 / 20 30 20 40 ORL 74 93 75 93 / 20 30 20 40 FPR 73 87 74 89 / 20 40 20 30 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && FORECAST/AVIATION...BRAGAW RADAR/IMPACT WX.....PENDERGRAST
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1107 AM EDT TUE JUN 24 2014 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-242200- COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 1107 AM EDT TUE JUN 24 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. .THUNDERSTORM IMPACT... SOUTHWEST STEERING WINDS WILL COMBINE WITH AMPLE MOISTURE AND AFTERNOON INSTABILITY TO PRODUCE SCATTERED LIGHTNING STORMS THROUGH EARLY EVENING. STORMS WILL MOVE TOWARD THE EAST AT AROUND 15 MPH. A FEW STRONG TO SEVERE STORMS WILL BE POSSIBLE. THE MAIN THREATS WILL BE WIND GUSTS UP TO 40 OR 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL AND TORRENTIAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IN A 60 TO 90 MINUTE PERIOD. LOCALLY SEVERE STORMS CAN PRODUCE FREQUENT TO EXCESSIVE LIGHTNING ALONG WITH WIND GUSTS CAPABLE OF PRODUCING MINOR DAMAGE AND OR HAIL UP TO THE SIZE OF QUARTERS. PERSONS SHOULD BE PREPARED TO HEAD INDOORS IF SKIES LOOK THREATENING. DONT WAIT UNTIL THE ONSET OF RAINFALL BEFORE SEEKING SHELTER. LIGHTNING CAN STRIKE MILES AWAY FROM AN APPROACHING STORM. .RIP CURRENT IMPACT... LINGERING LONG PERIOD SWELL COUPLED WITH AN APPROACHING LOW ASTRONOMICAL TIDE WILL RESULT IN A LOW TO MODERATE THREAT FOR RIP CURRENTS AT AREA BEACHES TODAY. CHECK WITH THE BEACH PATROL FOR ADDITIONAL INFORMATION ABOUT OCEAN HAZARDS...AND SWIM ONLY WITHIN SIGHT OF A LIFEGUARD. NEVER SWIM ALONE. .MARINE THUNDERSTORM GUST IMPACT... STORMS WILL MOVE FROM WEST TO EAST AT AROUND 15 KNOTS...AND HAVE THE POTENTIAL TO PRODUCE LOCALLY HIGH WINDS AND CHOPPY WAVES IN EXPOSED AREAS OF LARGER INLAND LAKES...AS WELL AS THE INTRACOASTAL AND NEAR SHORE ATLANTIC WATERS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED TO LOCALLY NUMEROUS AFTERNOON AND EARLY EVENING SHOWERS AND LIGHTNING STORMS AREA EXPECTED INTO THIS WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. CRISTALDI/PENDERGRAST
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 405 PM EDT TUE JUN 24 2014 FLZ053-242045- OSCEOLA- 405 PM EDT TUE JUN 24 2014 ...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER CENTRAL AND EASTERN OSCEOLA COUNTY... * UNTIL 445 PM EDT. AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 6 MILES SOUTH OF HOLOPAW...MOVING SOUTHEAST AT 20 MPH. ADDITIONAL STORMS WILL LIKELY DEVELOP OVER EASTERN OSCEOLA COUNTY AS THE EAST COAST SEA BREEZE PUSHES WEST INTO THIS AREA. THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE STORM PASSES. LAT...LON 2817 8112 2805 8087 2778 8089 2803 8124 TIME...MOT...LOC 2004Z 306DEG 15KT 2805 8109 KELLY
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
409 PM EDT TUE JUN 24 2014
FLZ141-242100-
COASTAL VOLUSIA COUNTY-
409 PM EDT TUE JUN 24 2014
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER CENTRAL VOLUSIA COUNTY...
* UNTIL 500 PM EDT.
AT 407 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER DAYTONA
BEACH AIRPORT...MOVING SOUTHEAST AT 10 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE DAYTONA BEACH SHORES...DAYTONA INTERNATIONAL
SPEEDWAY AND NEW SMYRNA BEACH AIRPORT.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.
LAT...LON 2922 8099 2916 8097 2910 8092 2908 8093
2907 8090 2902 8088 2899 8117 2902 8119
2921 8120 2927 8102
TIME...MOT...LOC 2009Z 324DEG 10KT 2918 8105
KELLYThe Melbourne radar (KMLB), 125 km away, was scanning. The volume nearest the first event began at 20:12 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
The Daytona Beach Airport ASOS recorded a 66 mph wind gust from the north.
A weather spotter observed penny to nickel size hail falling at Daytona International Speedway.
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, June 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: 516404, 523759.