Typical summertime afternoon showers and thunderstorms. along with weak westerly flow produced a funnel cloud in Glades County.
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The episode as NWS MFL wrote it up.
Typical summertime afternoon showers and thunderstorms. along with weak westerly flow produced a funnel cloud in Glades County.
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 Miami, FL wrote its last area forecast discussion before the first event at Sep 21, 2:46 PM EST, 3 hours 44 minutes earlier.
Area Forecast Discussion National Weather Service Miami FL 346 PM EDT Wed Sep 21 2016 .DISCUSSION... High pressure will continue to build into the western Atlantic, which will continue to allow for an easterly flow across South Florida through the rest of the work week. At the same time an area of low pressure currently over the Carolinas will begin to pull away as the week progresses. Scattered showers and thunderstorms are expected to continue mainly during the afternoon and evening hours due to daytime heating and seabreeze boundaries moving inland. Most of these storms will be concentrated across the Interior and Western areas. There will also be enough instability to support a few strong thunderstorms as the synoptic pattern that we have been experiencing recently is not expected to change that much throughout the rest of the work week. Both of the GFS and the ECMWF continue to show a continuation of this weather pattern through the early portion of next week. High pressure will remain in place over the western Atlantic allowing for easterly flow to continue across the region. This will allow for scattered showers and thunderstorms to develop mainly across the interior and West coast sections during the afternoon hours as the seabreezes move inland. High temperatures are expected to remain in the lower 90s and low temperatures will remain in the mid to upper 70s. && .MARINE... High pressure will remain in place across the Atlantic waters allowing for easterly flow to continue. The exception to this will be across the Gulf waters, where a westerly component will develop during the afternoon hours. Seas will remain at 3 feet or less across the Atlantic and Gulf waters with scattered showers and thunderstorms developing each day. && .AVIATION... Today is developing with the Atlantic sea breeze able to push inland over much of the southeast metro area already. So, while there is still a VCTS group in the TAFs, have limited it for only the first couple of hours, to allow the sea breeze to push the convection away from the area. Once it does, most of the activity will be in the interior and Gulf coast through the early evening hours. Overnight should be VFR with dry conditions. && .PRELIMINARY POINT TEMPS/POPS... West Palm Beach 77 91 76 91 / 20 50 20 50 Fort Lauderdale 78 90 77 91 / 20 50 30 50 Miami 78 91 78 92 / 20 50 30 50 Naples 75 91 76 89 / 20 40 30 40 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. GM...None. && DISCUSSION...55/CWC MARINE...55/CWC AVIATION...02/RAG
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 1251 PM EDT WED SEP 21 2016 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 220500- LAKE OKEECHOBEE-BISCAYNE BAY- COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH FL OUT 20 NM- COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL OUT 20 NM- WATERS FROM JUPITER INLET TO DEERFIELD BEACH FL FROM 20 TO 60 NM- WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL FROM 20 TO 60 NM EXCLUDING THE TERRITORIAL WATERS OF BAHAMAS-GLADES-HENDRY- INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD-METRO BROWARD-INLAND MIAMI-DADE-METRO MIAMI-DADE- MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI- DADE-FAR SOUTH MIAMI-DADE- COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM- COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE FL OUT 20 NM- WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL FROM 20 TO 60 NM- 1251 PM EDT WED SEP 21 2016 ...AFTERNOON THUNDERSTORMS FOR SOUTH FLORIDA POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE FORECAST DURING THE AFTERNOON AND EARLY EVENING HOURS, WITH THE BEST COVERAGE OVER THE INTERIOR. THE PRIMARY THREAT WILL BE LIGHTNING. WIND: THUNDERSTORM WIND GUSTS OF AROUND 55 MPH WILL BE POSSIBLE. FLOODING: HEAVY RAIN COULD PRODUCE URBAN STREET FLOODING OF LOW LYING AND POORLY DRAINED AREAS. HAIL: THUNDERSTORMS MAY PRODUCE SMALL HAIL. WATERSPOUTS: AN INCREASED THREAT OF WATERSPOUTS TODAY OVER THE SOUTH FLORIDA WATERS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED THUNDERSTORMS ARE POSSIBLE EACH AFTERNOON AND EVENING, WITH THE BEST COVERAGE VARYING EACH DAY THROUGH THE WEEKEND. THEN, THE BEST COVERAGE WILL FAVOR THE INTERIOR AND GULF COASTAL AREAS NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
430 PM EDT WED SEP 21 2016
FLZ069-070-075-212130-
MAINLAND MONROE FL-INLAND COLLIER COUNTY FL-
COASTAL COLLIER COUNTY FL-
430 PM EDT WED SEP 21 2016
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...SMALL HAIL AND 45 TO 55 MPH WINDS FOR EASTERN COLLIER AND
NORTHERN MAINLAND MONROE COUNTIES UNTIL 530 PM EDT...
* AT 429 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR
MICCOSUKEE INDIAN RESERVATION TO NEAR WILDERNESS WATERWAY...AND
MOVING SOUTH AT 10 MPH.
* FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...
SMALL HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE
POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN
FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS
CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED
SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM
PASSES.
* LOCATIONS IMPACTED INCLUDE...
CHOKOLOSKEE...LOOP ROAD EE CENTER...DADE-COLLIER TRAINING
AIRPORT...MICCOSUKEE INDIAN RESERVATION...WILDERNESS WATERWAY AND
BIG CYPRESS NATIONAL PRESERVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
THIS ACTIVITY WAS ALSO DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR THE
FORMATION OF FUNNEL CLOUDS. STAY TUNED TO NOAA WEATHER RADIO AND
LOCAL MEDIA FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS.
&&
LAT...LON 2567 8136 2573 8134 2574 8137 2636 8129
2636 8127 2625 8127 2626 8088 2580 8087
2538 8103
TIME...MOT...LOC 2029Z 358DEG 7KT 2619 8093 2570 8119
RAGSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 522 PM EDT WED SEP 21 2016 FLZ070-212200- INLAND COLLIER COUNTY FL- 522 PM EDT WED SEP 21 2016 ...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING...UP TO NICKEL SIZED HAIL AND 45 TO 55 MPH WINDS FOR SOUTHEASTERN COLLIER COUNTY UNTIL 600 PM EDT... * AT 522 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR BIG CYPRESS NATIONAL PRESERVE...OR 26 MILES NORTHEAST OF CHOKOLOSKEE. THIS STORM WAS NEARLY STATIONARY. * FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH... UP TO NICKEL-SIZED HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. * LOCATIONS IMPACTED INCLUDE... BIG CYPRESS NATIONAL PRESERVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS ACTIVITY WAS ALSO DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR THE FORMATION OF FUNNEL CLOUDS. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS. && LAT...LON 2625 8093 2590 8092 2591 8119 2625 8119 TIME...MOT...LOC 2122Z 095DEG 4KT 2610 8104 RAG
The Tampa radar (KTBW), 131 km away, was scanning. The volume nearest the first event began at 23:28 UTC.
1 funnel cloud. Local standard time, as filed.
A report of a funnel cloud in the area of Loblolly Road in Glades County near Muse. The funnel cloud never touched down and lasted approximately 5 minutes.
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, September 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: 655780.