Funnel clouds were observed with a line of clouds and showers along the Broward County coast.
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The episode as NWS MFL wrote it up.
Funnel clouds were observed with a line of clouds and showers along the Broward County coast.
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 Dec 27, 4:48 AM EST, 2 hours 47 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 448 AM EST THU DEC 27 2007 .DISCUSSION... WIDELY SCATTERED SHOWERS WILL LIKELY CONTINUE THROUGH THE MORNING HOURS IN ZONE OF ENHANCED LOW-LEVEL CONVERGENCE ASSOCIATED WITH EAST COAST LAND BREEZE. THIS ACTIVITY SHOULD PRIMARILY AFFECT THE NEAR SHORE ATLANTIC WATERS...WITH THE MAIN SHORT TERM CONCERN ACROSS THE MAINLAND BEING THE DEVELOPMENT OF FOG. CURRENT IR SATELLITE IMAGERY INDICATES THAT HIGH-LEVEL CLOUD COVER IS BEGINNING TO DIMINISH...AND EXPECT FOG FORMATION TO BE FAIRLY WIDESPREAD... ESPECIALLY INLAND WHERE MIXING EFFECTS ASSOCIATED WITH LAND BREEZES WILL BE LESS. WILL CONTINUE TO MONITOR THIS THROUGH THE MORNING AND ISSUE ADVISORIES AS NEEDED. FOR THE REMAINDER OF THE SHORT TERM PERIODS...GUIDANCE FROM THE NGM/NAM/GFS IS IN GOOD AGREEMENT ON RISING MID-LEVEL HEIGHTS ACROSS SOUTH FLORIDA TODAY...AS SUBTROPICAL RIDGE BUILDS NORTHWARD DOWNSTREAM FROM A MID-LEVEL TROUGH THAT WILL BE EJECTING NORTHEASTWARD ACROSS THE UPPER MISSISSIPPI VALLEY REGION. LOW- LEVEL WINDS WILL RESPOND BY INCREASING THROUGH THE PERIOD...AND VEERING SLIGHTLY TO THE SOUTHEAST BY SATURDAY...WITH THIS INCREASE IN WIND LIKELY LIMITING THE THREAT FOR FOG COMPARED TO WHAT WE HAVE SEEN RECENTLY. MODEL POINT FORECAST SOUNDINGS SUGGEST THAT A STOUT SUBSIDENCE INVERSION WILL DEVELOP OVER THE AREA...WITH POPS LIMITED TO 10-20 PERCENT DESPITE FAVORABLE ONSHORE FLOW ALONG THE ATLANTIC COAST AND PWAT VALUES REMAINING IN THE 1.1-1.3 INCH RANGE. STRONG HEATING ACROSS THE MAINLAND SHOULD BE SUFFICIENT FOR SEA BREEZE DEVELOPMENT ALONG THE GULF COAST ON BOTH FRIDAY AND SATURDAY AFTERNOONS...WITH LOW CHANCES FOR SHOWERS ACROSS THIS REGION AS WELL. TEMPERATURES WILL CONTINUE TO RUN 5-10 DEGREES ABOVE NORMAL FOR BOTH MAXIMUMS AND MINIMUMS...WITH SOME HIGHS IN THE UPPER 80S POSSIBLE ACROSS THE INTERIOR. WILL USE A BLEND OF FWC/MAV/MET NUMBERS IN THE SHORT TERM. RAIN CHANCES WILL BEGIN TO INCREASE TOWARD THE END OF THE WEEKEND...AS MOST MEDIUM RANGE GUIDANCE SUGGESTS THAT THE UPPER RIDGE WILL BEGIN TO WEAKEN...WITH SEVERAL DISTURBANCES EMBEDDED IN SOUTHWEST FLOW OFFERING AT LEAST LOW CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS ON MONDAY/TUESDAY. HOWEVER...THE BIG STORY IN THIS PORTION OF THE FORECAST CONTINUES TO BE THE POTENTIAL FOR A SIGNIFICANT OUTBREAK OF COLD AIR RIGHT AROUND THE BEGINNING OF THE NEW YEAR. THE GFS/ECMWF/CMC ALL AGREE ON A HIGHLY AMPLIFIED FLOW PATTERN DEVELOPING ACROSS THE CONUS BY EARLY NEXT WEEK...WITH SOUTHERN PORTION OF THE HUDSON BAY VORTEX LIKELY DROPPING AS FAR SOUTH AS THE GREAT LAKES WHILE STRONG UPPER-LEVEL RIDGING DEVELOPS OVER THE PACIFIC COAST. THIS PATTERN IS VERY FAVORABLE FOR ALLOWING ARCTIC AIR TO RAPIDLY SPILL SOUTHEASTWARD ACROSS THE CENTRAL AND EASTERN U.S. WITH AT LEAST SOME POTENTIAL FOR A HIGH-IMPACT COLD AIR EVENT FOR SOUTH FLORIDA. ALTHOUGH THE FINE DETAILS ON STRENGTH OF THE COLD AIRMASS ARE STILL UNCERTAIN...IT IS BECOMING MORE LIKELY THAT AN ABRUPT CHANGE FROM WARMER THAN NORMAL WEATHER TO MUCH COOLER THAN NORMAL WEATHER WILL OCCUR AROUND NEW YEARS DAY. && .AVIATION... MOSTLY VFR CONDITIONS ARE EXPECTED THROUGH THE PERIOD FOR ALL TERMINALS, HOWEVER AREAS OF FOG CAN BE EXPECTED ACROSS SOUTH FLORIDA THIS MORNING. WITH THE LIGHT FLOW IN PLACE AND PLENTY OF LOW LEVEL MOISTURE SOME TERMINALS MAY BE IMPACTED BY GREATLY REDUCED VISIBILITIES... NAMELY TMB, BUT THE REST OF THE TERMINALS OR AT RISK AS WELL. HOWEVER... CURRENTLY THERE IS SOME MID LEVEL CLOUDINESS ACROSS THE EAST COAST... BROWARD AND MIAMI DADE COUNTIES... AND IF THIS HOLDS THE FOG THREAT THERE WILL BE GREATLY DIMINISHED THIS MORNING. WERE THE FOG DOES DEVELOP IT WILL BURN OFF AROUND AN HOUR OR SO AFTER SUNRISE. AS FAR AS THE WINDS GO, THEY ARE EXPECTED TO REMAIN LIGHT AT 10 KNOTS OR LESS AND GENERALLY EASTERLY... EXCEPT AT APF WHERE A SEA BREEZE IS EXPECTED TO DEVELOP AROUND MID DAY AND TURN THE WINDS TO A MORE WEST DIRECTION. && .MARINE... THERE ARE NO MARINE WEATHER CONCERNS IN THE SHORT TERM. EASTERLY FLOW WILL CONTINUE AT SPEEDS OF 5-10 KNOTS ACROSS THE LOCAL COASTAL WATERS BEFORE THE FLOW VEERS TO SOUTHEAST AND INCREASES INTO THE 10-15 KNOT RANGE ON FRIDAY. OVERALL...EXPECT SEAS TO PEAK IN THE 2-4 FOOT RANGE ACROSS THE GULF STREAM AND IN THE OFF SHORE GULF WATERS. A GREATER CONCERN FOR DETERIORATING MARINE CONDITIONS WILL COME AROUND THE BEGINNING OF THE NEW YEAR...WITH A STRONG COLD FRONTAL PASSAGE RESULTING IN A PROLONGED EPISODE OF NORTH- NORTHWEST FLOW AT SPEEDS NEAR OR SLIGHTLY ABOVE 20 KNOTS. && .FIRE WEATHER... THERE ARE NO FIRE WEATHER CONCERNS THROUGHOUT MUCH OF THE UPCOMING FORECAST PERIOD...AS MINIMUM AFTERNOON RH VALUES SHOULD ONLY FALL TO 50-60 PERCENT FOR MUCH OF THE AREA...WITH SOME LOCATIONS ACROSS THE NORTHWEST INTERIOR POSSIBLY REACHING THE 45-50 PERCENT RANGE. A SIGNIFICANT FIRE WEATHER THREAT MAY DEVELOP ACROSS THE ENTIRE MAINLAND BY THE MIDDLE OF NEXT WEEK...AS A COLD/DRY CONTINENTAL AIRMASS SPREADS INTO THE REGION FOLLOWING A STRONG COLD FRONTAL PASSAGE. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 81 69 81 71 / 10 10 10 10 FORT LAUDERDALE 82 71 82 73 / 10 10 10 10 MIAMI 83 71 83 73 / 10 10 10 10 NAPLES 81 64 83 66 / - 10 10 10 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && LONG TERM...70/DD SHORT TERM/AVIATION...04/AT
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 357 AM EST THU DEC 27 2007 FLZ063-066>075-168-172>174-272345- 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- 357 AM EST THU DEC 27 2007 ...AREAS OF FOG POSSIBLE ACROSS THE INTERIOR THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TONIGHT VISIBILITY: AREAS OF FOG... POSSIBLY DENSE WITH VISIBILITIES OF AROUND 1/4 MILE... CAN BE EXPECTED THIS MORNING ESPECIALLY ACROSS THE INTERIOR SECTIONS. PATCHY GROUND FOG CAN BE EXPECTED ACROSS THE COASTAL AND METRO SECTIONS. THE FOG CAN BE EXPECTED TO BURN OFF AROUND AN HOUR AFTER SUNRISE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A STRONG COLD FRONT MAY MOVE THROUGH THE SOUTH FLORIDA REGION AFTER THE FIRST OF THE YEAR. IF THIS SCENARIO DOES PANS OUT... MUCH COOLER TEMPERATURES AND WINDIER CONDITIONS MAY MOVE INTO THE AREA BY THE MIDDLE OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 707 AM EST THU DEC 27 2007 FLZ063-066-067-069-070-271415- GLADES-HENDRY-INLAND PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INCLUDING THE CITIES OF...PALMDALE...MOORE HAVEN...CLEWISTON... LA BELLE...BIG CYPRESS SEMINOLE RESERVATION...PAHOKEE... SOUTH BAY...BELLE GLADE...NAPLES...IMMOKALEE 707 AM EST THU DEC 27 2007 ...PATCHES OF DENSE FOG CREATING DANGEROUS DRIVING CONDITIONS... PATCHES OF DENSE FOG ARE CREATING DANGEROUS DRIVING CONDITIONS ACROSS PARTS OF THE LAKE OKEECHOBEE REGION AND THE SOUTHWEST GULF COAST. REPORTED VISIBILITIES ARE LESS THAN A HALF MILE ACROSS A LARGE PART OF GLADES, HENDRY, INLAND COLLIER, AND PARTS OF WESTERN PALM BEACH COUNTIES. MOTORISTS SHOULD SLOW DOWN, EXERCISE INCREASED CAUTION, AND DRIVE WITH LOW BEAM HEADLIGHTS WHEN ENCOUNTERING PATCHES OF DENSE FOG. HIGH SPEED DRIVING ON INTERSTATES CAN BE ESPECIALLY DANGEROUS WHEN VISIBILITIES ARE RAPIDLY FLUCTUATING DUE TO PATCHY DENSE FOG. NEVER STOP ON THE HIGHWAY DUE TO DENSE FOG, ALWAYS MOVE WELL OFF THE HIGHWAY ONTO THE SHOULDER AND REMEMBER TO TURN ON FLASHERS AS A MARKER FOR A STOPPED VEHICLE. THE FOG WILL SLOWLY BURN OFF AND BE COMPLETELY GONE BY 9 AM EST.
The Miami radar (KAMX), 65 km away, was scanning. The volume nearest the first event began at 12:36 UTC.
1 funnel cloud. Local standard time, as filed.
The tower at Fort Lauderdale International Airport observed a funnel cloud with a line of showers just offshore the coast of Fort Lauderdale Beach. The funnel cloud only lasted a few minutes before dissipating, and never touched the surface.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2007Every state in 2007This day in weather historyWarnings in Florida, December 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: 67053.