A microburst produced locally severe winds at the Orlando airport in association with an isolated, short-duration thunderstorm.
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The episode as NWS MLB wrote it up.
A microburst produced locally severe winds at the Orlando airport in association with an isolated, short-duration thunderstorm.
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 18, 1:35 PM EST, 1 hour 50 minutes earlier.
Area Forecast Discussion National Weather Service Melbourne FL 235 PM EDT MON JUL 18 2016 .DISCUSSION... Tonight...Light to modest onshore flow regime will bring isolated marine based showers to the coast and across I-95 through the overnight period and into Tue. A TUTT presently over the FL Straits will cross over central to S FL overnight, however the feature should not significantly reduce these shallow Atlc coastal showers currently noted on radar. The overnight forecast features no mention of measurable pcpn for the interior counties during the overnight hours. TUE-WED...(from prev discussions) A ridge axis of high pressure over the WRN Atlantic will remain near to north of the area going into mid week with a deeper easterly flow remaining across the region. This will favor higher coverage of showers and storms over the middle to western side of the Florida peninsula, but enough moisture will exist for isolated to scattered showers and storms to develop along the sea breeze as it forms into late morning to early afternoon along the coast and moves steadily inland through late day. Rain chances will continue to range from near to below normal for this time of year, roughly from 20-30 percent along the coast to 40+ percent inland. The one exception will be along the Treasure coast into late Tuesday night/Wednesday morning when a weak wave aloft approaches from the east and may lead to greater coverage of onshore moving showers and isolated storms during this time period. THU-SUN...The regional Weather pattern remains generally the same into late week and weekend with strong mid level ridge over the central/south central U.S. and trough off the eastern seaboard. At the surface, the Atlantic ridge axis continues to meander near to north of the central Florida with an onshore flow persisting. This flow should continue to favor isolated showers/storms moving onshore, mainly south of the Cape into the overnight/morning hours with increasing coverage of convection along the developing east coast sea breeze. PoPs will remain highest west of the area, however, where boundary interactions are more likely and will keep PoPs in the chance range (30-50 percent) through the period. However the 00Z GFS is indicating drier air moving into the area during the weekend, which may lead to lower convective coverage. Will have to continue to monitor future model runs and if this trend holds, rain chances will likely need to be lowered. Temperatures will remain near to slightly above normal through the extended. && .AVIATION... Prevailing VFR conds areawide with a relatively brief chance of MVFR conds should an isolated shower moves ashore, mainly south of Cape Canaveral and along the Treasure coast into Tue morning. && .MARINE... TONIGHT...Onshore winds around 5 to 10 kts and seas 2-3 ft north ofthe Cape and around 10 knots with 2-4 ft seas south of Cape Canaveral. Higher seas will be over the waters beyond 20 nm from the coast. TUE-FRI...Favorable boating conditions expected. Ridge axis near to north of the area through the work week will maintain an onshore flow across the waters, with wind speeds remaining below 15 knots. Seas around 2-3 feet will increase up to 4 feet offshore into mid to late week. && .CLIMATE...Melbourne's low temperature this morning was only 83 degrees. If this holds through 1 AM tonight it will equal the all- time warm minimum for any date. && .PRELIMINARY POINT TEMPS/POPS... DAB 75 90 76 90 / 10 30 20 20 MCO 76 93 76 94 / 10 40 10 40 MLB 79 90 79 90 / 20 30 20 30 VRB 75 88 75 90 / 20 30 30 40 LEE 76 95 77 96 / 10 40 10 40 SFB 75 93 76 95 / 10 40 10 30 ORL 76 93 77 94 / 10 40 10 40 FPR 76 89 75 90 / 20 30 30 40 && .MLB Watches/Warnings/Advisories... FL...None. AM...None. && JP/WU
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 400 AM EDT MON JUL 18 2016 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-182000- FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-VOLUSIA- BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM- SEBASTIAN INLET TO JUPITER INLET 0-20 NM-FLAGLER BEACH TO VOLUSIA- BREVARD COUNTY LINE 20-60 NM-VOLUSIA- BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM- SEBASTIAN INLET TO JUPITER INLET 20-60 NM-INLAND VOLUSIA COUNTY- NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN- COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY- NORTHERN BREVARD COUNTY- 400 AM EDT MON JUL 18 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. .THUNDERSTORM IMPACT... SLIGHT ATMOSPHERIC DRYING IS FORECAST TODAY BUT A SMALL CHANCE FOR LIGHTNING STORMS EXISTS, MAINLY OVER INLAND AREAS. .RIP CURRENT IMPACT... AN EASTERLY WIND FLOW WAS PRODUCING A FRESH SWELL 2 TO 3 FEET IN THE ATLANTIC. THIS WILL KEEP A MODERATE RIP CURRENT RISK AT AREA BEACHES. .MARINE THUNDERSTORM GUST IMPACT... THERE IS A SMALL CHANCE FOR SHOWERS AND LIGHTNING STORMS ACROSS THE ATLANTIC THIS MORNING, THEN OVER INLAND AREAS THIS AFTERNOON. SHOWER AND STORM MOVEMENT WILL BE TO THE WEST AT 10 TO 15 KNOTS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. EASTERLY FLOW IS FORECAST THROUGH LATE WEEK, WHICH SHOULD BE ACCOMPANIED BY OCCASIONAL BANDS OF HIGHER MOISTURE. THIS MAY INCREASE THE COVERAGE OF SHOWERS AND LIGHTNING STORMS, ESPECIALLY OVER THE INTERIOR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. LASCODY
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
155 PM EDT MON JUL 18 2016
FLZ045-053-181845-
OSCEOLA FL-ORANGE FL-
155 PM EDT MON JUL 18 2016
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ORANGE AND
NORTHWESTERN OSCEOLA COUNTIES UNTIL 245 PM EDT...
AT 154 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS
CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF 40 MPH OVER CELEBRATION
AND JUST WEST OF KISSIMMEE...MOVING WEST AT 20 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
KISSIMMEE...BAY LAKE...INTERCESSION CITY...
CELEBRATION AND FOUR CORNERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 2844 8138 2825 8146 2824 8155 2826 8156
2826 8166 2847 8166
TIME...MOT...LOC 1754Z 098DEG 17KT 2834 8150
ULRICHThe Melbourne radar (KMLB), 74 km away, was scanning. The volume nearest the first event began at 20:25 UTC.
1 thunderstorm wind. Local standard time, as filed.
The Orlando International Airport ASOS (KMCO) recorded a peak wind gust of 63 mph as a severe microburst affected the airfield.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2016Every state in 2016This day in weather historyWarnings in Florida, July 2016
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: 638124.