An isolated thunderstorm developed along the sea breeze boundary during mid afternoon. A storm spotter observed a short-lived funnel cloud in association with the cell.
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The episode as NWS MLB wrote it up.
An isolated thunderstorm developed along the sea breeze boundary during mid afternoon. A storm spotter observed a short-lived funnel cloud in association with the cell.
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 May 28, 1:27 PM EST, 1 hour 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 227 PM EDT FRI MAY 28 2010 .DISCUSSION... ...ISOLATED STRONG STORMS POSSIBLE THIS AFTERNOON AND EARLY EVENING... ...DANGEROUS RIP CURRENTS EXPECTED INTO THE HOLIDAY WEEKEND... CURRENT...RADAR MORE ACTIVE THIS THAN 24 HOURS AGO. MOISTURE VALUES AS WELL AS PRESSURE GRADIENT NOT THAT MUCH DIFFERENT BUT THERE IS AN ABSENCE OF NVA MOVING DOWN THE PENINSULA TODAY AND AN EARLIER SEA BREEZE FORMED ALONG THE COAST LATE AFTERNOON AND HAS NOW PUSHED WEST OF INTERSTATE 9 AND WILL CONTINUE TO PUSH INLAND THE REST OF THE AFTERNOON AND EARLY EVENING UNTIL THE SEA BREEZE COLLAPSES DUE TO LACK OF HEATING OVER THE INTERIOR. THE REST OF THIS AFTERNOON AND TONIGHT... BASED ON FLORIDA EAST AND WEST COAST RADAR TRENDS LOOKS LIKE A LATE AFTERNOON SEA BREEZE COLLISION OVER LAKE COUNTY AND ALONG THE KISSIMMEE RIVER BASIN IN OSCEOLA AND OKEECHOBEE COUNTIES DOWN TO THE CITY OF OKEECHOBEE WHICH IS SIMILAR TO THURSDAY SEA BREEZE ACTION. STILL COOL ALOFT WITH -8C TO -10C AT 500MB SO CAN NOT RULE OUT WIND GUSTS OVER 40 MPH AND POSSIBILITY OF SMALL HAIL IN ANY OF THE STRONGER STORMS THAT DEVELOP LATER THIS AFTERNOON. STORMS SHOULD WIND DOWN MID EVENING WITH THE LOSS OF DAY TIME HEATING AND SEA/LAKE BREEZE INTERACTIONS. OVERNIGHT LOWS AVERAGING IN THE UPPER 60S/LOWER 70S AT THE COASTAL AND BEACHSIDE AREAS AND MID/UPPER 60S FOR THE INTERIOR. SAT-MON...WEST ATLC SFC RIDGE AXIS IS FORECAST TO REMAIN NORTH OF THE AREA INTO EARLY NEXT WEEK AS UPPER LEVEL LOW SWINGS THROUGH THE NORTHERN GULF COAST BY SAT AND ACROSS N FL ON MON...UNDERCUTTING THE LONGWAVE RIDGE THAT HAS BEEN PERSISTENT ACROSS THE CENTRAL US. WITH A WEAK SHORTWAVE RIDGE DEVELOPING TO OUR EAST AND TROUGH TO OUR WEST...STEERING FLOW IS EXPECTED TO GRADUALLY BECOME SOUTH AND THEN SOUTHWEST INTO THE EARLY PART OF THE WEEK...FOCUSING AFTERNOON THUNDERSTORM ACTIVITY CLOSER TO THE EASTERN SIDE OF THE PENINSULA EACH AFTERNOON. PRESENCE OF THE UPPER LEVEL LOW...AND THEN WAVE AS IT OPENS UP INTO MON...WILL ADD INSTABILITY TO REGION. MODELS ARE IN GOOD AGREEMENT ON FEATURES IN LONG TERM...SO HAVE BUMPED POPS UP TO 40-50 PERCENT SAT THROUGH MON TO REFLECT THE INFLUENCE OF THE UPPER LEVEL FEATURES. SHIFT OF THE STEERING FLOW BY MON WILL MEAN MORE STORMS MOVING BACK TOWARDS THE COAST IN THE EVENING. HIGHS INITIALLY IN THE LOWER 90S ACROSS THE INTERIOR ON SAT...COOLING A FEW DEGREES INTO THE UPPER 80S AS UPPER LEVEL LOW BRINGS IN COOLER AIR ALOFT. COASTAL TEMPS CONTINUING IN THE MID 80S BEFORE THE SEABREEZE PASSAGE EACH AFTERNOON. TUES-THURS...THE PERSISTENT UPPER LEVEL PATTERN ACROSS THE CONUS WILL BREAK DOWN INTO MID WEEK ALLOW FLOW TO TRANSITION TO A MORE ZONAL PATTERN ACROSS THE US. SURFACE RIDGE AXIS SLIPS SOUTH OF THE REGION WITH LOW LEVEL FLOW VEERING S-SW THROUGH THE MIDDLE PART OF THE WEEK. EXTENDED RANGE POPS REMAIN AT LEAST LOW SCT COVERAGE DAILY THROUGH NEXT WORK WEEK CONSIDERING WEAK WLY STEERING LEVEL COMPONENT...DLM LOWER HEIGHTS AND AMPLE PWAT DIABATIC HEATING. && .AVIATION... EXPECT TEMPO IFR/MVFR CONDS IN/AROUND STRONGER CELLS MID TO LATE AFTERNOON INTO THE EARLY MID EVENING. A FEW STORMS MAY BECOME STRONG WITH LOCALLY HEAVY DOWNPOURS...CLOUD TO GROUND LIGHTNING...WIND GUSTS IN EXCESS OF 35 KTS AND PERHAPS SMALL HAIL. VFR AFTER MIDNIGHT && .MARINE... TONIGHT-MON...SEA BREEZE AT BUOY 009 WITH A NORTH NORTHEAST WIND 5 KNOTS AND 3 FOOT LONG PERIOD NORTHEAST TO EAST SWELLS. WINDS SHIFT TO THE NORTHEAST AND EAST...AND EVENTUALLY SOUTHEAST BY LATE WEEKEND AS HIGH PRESSURE OFF THE MID ATLANTIC STATES BUILDS DOWN THE U.S. EAST COAST AND INTO THE NORTHEAST GULF. LINGERING WAVE HEIGHTS PARTIALLY ATTRIBUTED TO SWELL IN THE 3-4FT RANGE. TUES-THURS... WINDS SHIFT TO THE SOUTHWEST AS SURFACE RIDGE AXIS SLIPS SOUTH OF CENTRAL FLORIDA. SEAS SUBSIDING TO 2-3 FEET AS LINGERING SWELL SUBSIDES. SOUTHWESTERLY STEERING FLOW WILL BRING INCREASED CHANCE OF OFFSHORE MOVING AFTERNOON THUNDERSTORMS TOWARDS MID WEEK. && .PRELIMINARY POINT TEMPS/POPS... DAB 70 87 71 84 / 10 40 30 40 MCO 70 90 71 88 / 20 50 30 50 MLB 71 85 73 85 / 10 40 30 50 VRB 71 86 72 85 / 10 40 30 50 LEE 68 90 71 87 / 30 50 30 50 SFB 70 89 72 88 / 20 40 30 50 ORL 70 89 72 88 / 20 50 30 50 FPR 69 87 71 86 / 10 40 30 50 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && SHORT TERM/AVIATION...WIMMER LONG TERM....MOSES
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 432 AM EDT FRI MAY 28 2010 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-282200- 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- 432 AM EDT FRI MAY 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... LINGERING MOISTURE AND AN INLAND MOVING EAST COAST SEA BREEZE WILL LEAD TO AN INCREASE IN STORM CHANCES TODAY...ESPECIALLY OVER THE INTERIOR. DRIER AIR IN THE MID LEVELS WILL LIMIT THE COVERAGE OF STORMS BUT A FEW WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 35 TO 50 MPH. THE BEST CHANCE FOR ISOLATED STRONG STORMS WILL BE OVER INTERIOR SECTIONS INCLUDING METRO ORLANDO DURING THE MID TO LATE AFTERNOON. FREQUENT CLOUD TO GROUND LIGHTNING STRIKES...LOCALLY HEAVY RAINFALL AND SMALL HAIL MAY ACCOMPANY SUCH STORMS. STORM MOVEMENT WILL BE TOWARD THE SOUTH OR SOUTHWEST AT 10 MPH OR LESS. ...RIP CURRENT IMPACT... LONG PERIOD OCEAN SWELLS WILL AGAIN LEAD TO ROUGH SURF AND DANGEROUS RIP CURRENTS AT THE BEACHES OF EAST CENTRAL FLORIDA TODAY. ALWAYS CHECK WITH A LIFEGUARD BEFORE ENTERING THE SURF... AND NEVER SWIM ALONE. ...MARINE THUNDERSTORM GUST IMPACT... A FEW STORMS WILL BE CAPABLE OF PRODUCING STRONG WINDS GREATER THAN 35 KNOTS OVER INTERIOR SECTIONS...POSSIBLY AFFECTING SOME INLAND LAKES. STORM MOVEMENT WILL BE TOWARD THE SOUTH OR SOUTHWEST. ONE OR TWO STORMS MAY AFFECT THE INTRACOASTAL WATERS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SCATTERED AFTERNOON AND EARLY EVENING STORMS ARE EXPECTED THROUGH THE HOLIDAY WEEKEND AND WILL CONTINUE INTO THE MIDDLE OF NEXT WEEK. THE RIP CURRENT THREAT WILL REMAIN ELEVATED INTO THE WEEKEND WHICH IS OF PARTICULAR CONCERN DUE TO HIGH BEACH ATTENDANCE EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. SEDLOCK
The Melbourne radar (KMLB), 97 km away, was scanning. The volume nearest the first event began at 19:53 UTC.
1 funnel cloud. Local standard time, as filed.
A trained weather spotter observed a short-lived funnel cloud as an isolated thunderstorm developed along the sea breeze boundary.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2010Every state in 2010This day in weather historyWarnings in Florida, May 2010
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: 223520.