Thunderstorm interacting with the sea breeze produced a brief tornado west of Port St. Lucie.
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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.
Thunderstorm interacting with the sea breeze produced a brief tornado west of Port St. Lucie.
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 Jul 23, 1:45 PM EST, 3 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 245 PM EDT MON JUL 23 2007 .DISCUSSION...THROUGH TONIGHT...BAND OF SHOWERS AND STORMS OCCURRING MAINLY NEAR OLD FRONTAL BAND SLOWLY DRIFTING BACK TO THE NORTH. OUTFLOW BOUNDARIES FROM ACTIVITY ARE PUSHING BACK TOWARD SW WHICH SHOULD ALLOW SOME ADDITIONAL FORMATION THROUGH THE LATE AFTERNOON...ALSO GETTING SOME ADDITIONAL BREAKS IN THE CLOUDS ALLOWING BETTER HEATING THERE. 15Z CAPE SOUNDING QUITE MOIST WITH COOL 5H TEMP OF -9C. MAIN THREAT WITH STORMS WILL CONTINUE TO BE LIGHTNING AND HEAVY RAIN... ESP WHERE MORE THAN ONE ROUND OF RAIN MOVES THROUGH...BUT WILL ALSO WATCH FOR A FEW STRONGER STORMS GIVEN THE COOL MID LEVELS AND AFTERNOON BREAKS OF SUNSHINE. HAVE INDICATED SCATTERERED POPS ALL AREAS FOR TONIGHT WITH SLIGHTLY HIGHER VALUES NEAR VIC ON OLD SURFACE BOUNDARY. TUE...MID-LEVEL CUT-OFF CYCLONE CONTINUES TO MEANDER OVER THE OHIO VALLEY WITH SOUTHERN END OF TROUGH BEGINING TO ERODE OVER THE SE U.S. AS A HIGH PRESSURE RIDGE GRADUALLY BUILDS N/NW FROM CUBA/BAHAMAS. WEAKENING SURFACE TROUGH LIKELY TO REMAIN ACROSS CENTRAL/NORTHERN CWA AND WITH LIGHT GRADIENT FLOW...GULF AND ATLANTIC SEA BREEZES WILL DEVELOP AND ENHANCE OVERALL CONVERGENCE. MOISTURE LEVELS WILL REMAIN ELEVATED ABOVE LATE JULY NORMS... CONTRIBUTING TO CONTINUED SCATTERED-NUMEROUS SHOWERS/STORMS. MAX TEMPS NEAR NORMAL. WED-FRI...MID-LEVEL CYCLONE REMAINS LOCKED OVER GREAT LAKES REGION HOWEVER LOCAL IMPACT WILL BECOME NEGLIGIBLE AS A WEAK ANTICYCLONE BUILDS ALOFT. LOW LEVEL RIDGE AXIS WILL BUILD TO CENTRAL PENINSULA WEDNESDAY THEN LIFT TO THE NORTHERN PENINSULA BY THE END OF THE WEEK. A TRANSITION TO SEA-BREEZE FORCED DIURNAL CONVECTION WILL TAKE PLACE...BUT WITH LINGERING PRECIPITABLE WATERS VALUES ABOVE NORMAL...NEAR 2 INCHES...COVERAGE OF CONVECTION WILL CONTINUE AT OR ABOVE CLIMO. MAX TEMPS NEAR NORMAL. SAT-SUN...LONG-WAVE TROUGH DEEPENS ALONG THE ATLANTIC SEABOARD ONCE AGAIN. AS HEIGHTS LOWER AND LOW-LEVEL RIDGE DROPS TO SOUTHERN PENINSULA...SUFFICENT MOISTURE WILL REMAIN ENTRENCHED ACROSS CWA...KEEPING DIURNAL RAINFALL PROSPECTS AT OR ABOVE NORMAL. OFFSHORE FLOW WILL DEVELOP...BUT WITH WEAK GRADIENT...EARLY SEA BREEZE DEVELOPMENT LIKELY. LITTLE CHANGE TO TEMPS. && .AVIATION...OLD FRONTAL BAND WILL DRIFT NORTHWARD THROUGH TONIGHT WITH OCNL MVFR SHRAS/ISOLD IFR TSRAS THRU AROUND 00Z THEN GRADUALLY DECREASING THROUGH AROUND 04Z. && .MARINE...WITH RIDGE BUILDING BACK TO CWA...WIND FLOW WILL REMAIN GENERALLY AOB 10 KT WITH DAILY SEA BREEZE DEVELOPMENT NEAR SHORE. SEAS 2-3 FT NEAR SHORE AND UP TO 4 FEET WELL OFFSHORE TUE...WILL LOWER TO 1-2 FEET NEARSHORE AND 2-3 FEET OFFSHORE WED-SAT. WIND/SEAS MAY BE HIGHER NEAR SCATTERED STORMS MOVING OFFSHORE WED...WITH A FEW STORMS MOVING OFFSHORE NORTH OF COCOA BEACH THU/FRI...THEN ALL AREAS AGAIN SAT AS STEERING FLOW RETURNS TO SW. && .PRELIMINARY POINT TEMPS/POPS... DAB 72 87 73 88 / 30 60 40 50 MCO 73 89 74 90 / 30 60 40 50 MLB 74 88 73 88 / 30 60 40 50 VRB 74 89 73 89 / 30 60 40 50 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && SHORT TERM...GLITTO LONG TERM....SPRATT
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 628 AM EDT MON JUL 23 2007 AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 232230- COASTAL WATERS FROM FLAGLER BEACH TO COCOA BEACH OUT 20 NM- COASTAL WATERS FROM COCOA BEACH TO JUPITER INLET OUT 20 NM- WATERS FROM FLAGLER BEACH TO COCOA BEACH 20 TO 60 NM OFFSHORE- WATERS FROM COCOA BEACH 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- 628 AM EDT MON JUL 23 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... A REMNANTS OF A FRONTAL BOUNDARY OVER SOUTH FLORIDA WILL LIFT TO THE EAST-NORTHEAST TODAY AS THE ATLANTIC RIDGE BEGINS TO REBUILD OVER THE REGION. SOUTHWESTERLY WINDS ALOFT WILL PUSH ANY STORMS TO THE NORTHEAST...WHERE THEY MAY ENCOUNTER THE EAST COAST SEA BREEZE. A FEW STORMS MAY BECOME STRONG ENOUGH TO PRODUCE SMALL HAIL AND DAMAGING WINDS...BUT THE PRIMARY THREAT WILL BE FREQUENT CLOUD-TO-GROUND LIGHTNING...ESPECIALLY ALONG THE COAST. STORM ACTIVITY IS EXPECTED TO LINGER INTO THE LATE EVENING HOURS. ...FLOOD IMPACT... STORM MOTION TODAY WILL BE TO THE NORTHEAST AT 10 MPH OR LESS. BECAUSE OF THEIR SLOW MOVEMENT...ANY STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS WITH RAINFALL RATES REACHING BETWEEN TWO AND THREE INCHES PER HOUR. STRONG STORMS HAVE PRODUCED HEAVY RAIN OVER MUCH OF EAST CENTRAL FLORIDA SINCE FRIDAY...LEAVING THE GROUND SATURATED IN MANY AREAS. ANY HEAVY RAIN TODAY WILL HAVE A TENDENCY TO POND VERY QUICKLY ON ROADS AND IN LOW LYING AREAS. REMEMBER TO SLOW DOWN AND USE LOW BEAM HEADLIGHTS WHEN DRIVING IN RAIN. IT IS EASY TO LOSE CONTROL OF YOUR VEHICLE AND HYDROPLANE. ...RIP CURRENT IMPACT... LIGHT EASTERLY WINDS WILL COMBINE WITH A MODERATE NORTHEAST SWELL WILL TO GENERATE A RIP CURRENT THREAT ALONG AREA BEACHES. THE THREAT WILL BE HIGHEST THROUGH 900 AM THIS MORNING AND AFTER 330 PM THIS AFTERNOON DURING THE OUTGOING TIDE. ...WATERSPOUT IMPACT... AS THE WEAK FRONTAL BOUNDARY LIFTS TO THE EAST-NORTHEAST...IT MAY INTERSECT THE EAST COAST SEA BREEZE OR A THUNDERSTORM BOUNDARY NEAR THE COAST. THESE COLLISION BOUNDARIES COULD GENERATE BRIEF WATERSPOUTS THE ATLANTIC WATERS AND THE INTRACOASTAL WATERWAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. SCATTERED AFTERNOON LIGHTNING STORMS ARE EXPECTED ACROSS EAST CENTRAL FLORIDA THROUGH THE WEEK. THE PRIMARY THREAT FROM THESE STORMS WILL BE DANGEROUS CLOUD-TO-GROUND LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. BRAGAW
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 433 PM EDT MON JUL 23 2007 FLZ047-053-054-232115- INDIAN RIVER-OSCEOLA-SOUTHERN BREVARD COUNTY- 433 PM EDT MON JUL 23 2007 ...STRONG THUNDERSTORMS OVER WESTERN INDIAN RIVER AND SOUTHERN OSCEOLA COUNTY MOVING NORTHWARD TOWARD CENTRAL OSCEOLA AND SOUTHERN BREVARD COUNTIES... AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG STORMS NEAR YEEHAW JUNCTION AND AROUND BLUE CYPRESS LAKE AND FELLSMERE...MOVING NORTH AT 5 MPH. THESE STORMS WILL MOVE NORTH TOWARD KENANSVILLE AND PALM BAY. THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS OF 40 TO 45 MPH...WHICH MAY CAUSE UNSECURED OBJECTS TO BLOW AROUND. HEAVY RAINFALL WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE STORM PASSES. A BRIEF PERIOD OF SMALL HAIL...PEA TO DIME SIZE...WILL ALSO BE POSSIBLE IN LOCALIZED AREAS. CRISTALDI
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 505 PM EDT MON JUL 23 2007 FLZ054-232145- INDIAN RIVER- 505 PM EDT MON JUL 23 2007 ...STORMS WITH EXCESSIVE LIGHTNING OVER NORTHWESTERN INDIAN RIVER COUNTY... AT 505 PM EDT...LIGHTNING DETECTION EQUIPMENT AT THE NATIONAL WEATHER SERVICE INDICATED STORMS WITH EXCESSIVE LIGHTNING OVER BLUE CYPRESS LAKE...MOVING NORTH AT 5 MPH. THESE STORMS ARE PRODUCING EXCESSIVE LIGHTNING STRIKES...DEFINED AS 12 OR MORE CLOUD TO GROUND STRIKES PER MINUTE. IF YOU ARE OUTDOORS ...TAKE SHELTER IN A BUILDING OR HARD TOPPED AUTOMOBILE. OPEN SHELTERS FOUND IN PARKS...ON BEACHES OR GOLF COURSES OFFER NO PROTECTION FROM THE DANGERS OF LIGHTNING. STAY AWAY FROM TREES. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. CRISTALDI
The Melbourne radar (KMLB), 97 km away, was scanning. The volume nearest the first event began at 22:31 UTC.
1 tornado. Local standard time, as filed.
An EF0 tornado briefly touched down west of the Florida Turnpike. Trees were reported down with no structural damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2007Every state in 2007This day in weather historyThe tornado archive for Florida, 2007Warnings in Florida, July 2007
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: 52211.