Abundant tropical moisture along with instability and very light winds allowed for scattered showers to develop along the east coast sea breeze.
Every event with a place to put it. Tap one for its entry below.
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 MFL wrote it up.
Abundant tropical moisture along with instability and very light winds allowed for scattered showers to develop along the east coast sea breeze.
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 Jul 28, 8:04 AM EST, 3 hours 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 904 AM EDT SAT JUL 28 2012 ISOLATED SHOWERS MOVING NORTHWARD THROUGH THE COASTAL WATERS AND OCCASIONALLY IMPINGING UPON THE COASTAL AREAS. HAVE INCLUDED THE IMMEDIATE COASTAL AND EASTERN METRO AREAS IN AN UPDATE TO REFLECT THIS TREND. NO OTHER CHANGES EXPECTED IN THE ZFP PACKAGE. EXPECT NO CHANGES IN THE MARINE PACKAGE UPDATE. .PREVIOUS DISCUSSION...(ISSUED 243 AM EDT) WATER VAPOR AND NAM ANALYSIS EARLY THIS MORNING SHOWED A RIDGE OF HIGH PRESSURE CENTERED OVER THE SOUTHERN PLAINS...A BROAD TROUGH EXTENDING FROM THE GREAT LAKES INTO THE SOUTHEAST...AND ANOTHER RIDGE OFF THE EAST COAST OF THE EASTERN CONUS TOWARDS THE BAHAMAS. THIS OVERALL PATTERN WILL REMAIN GENERALLY UNCHANGED THROUGH AT LEAST THE WEEKEND...WITH ONLY MINOR FLOW CHANGES THROUGH MUCH OF NEXT WEEK. SO SOUTH FLORIDA WILL REMAIN IN A COL REGION THROUGH THE WEEKEND...WITH OVERALL LIGHT FLOW. DUST CONCENTRATIONS WILL BEGIN TO DECREASE THIS WEEKEND THROUGH EARLY NEXT WEEK. HAZY SKIES WILL LIKELY END BY MONDAY OR TUESDAY. SO WILL KEEP THE HAZE IN THE FORECAST THROUGH THE WEEKEND. SO FOR THIS WEEKEND...THE EAST COAST METRO AREAS SHOULD REMAIN DRY AS THE DUST AND SUBSIDENCE REMAIN ACROSS THE REGION. SEA BREEZE BOUNDARIES SHOULD SPARK ISOLATED TO SCATTERED CONVECTION ACROSS THE INTERIOR. TEMPERATURES WILL REMAIN HOT WITH HIGHS IN THE LOW 90S ALONG THE COASTS AND MID 90S ACROSS THE INTERIOR...WITH HEAT INDICES OF 100-105 DEGREES EACH DAY. LOW TEMPERATURES WILL REMAIN IN THE 70S TO AROUND 80 DEGREES. A TUTT LOW LOCATED OVER THE EASTERN BAHAMAS AND EASTERN CUBA WILL MOVE SLOWLY WEST THROUGH THE WEEKEND INTO EARLY NEXT WEEK...WINDING UP IN THE FLORIDA STRAITS AND WESTERN CUBA. HOWEVER...THE UPPER DIVERGENCE AND MOISTURE WILL REMAIN OVER THE BAHAMAS THROUGH THIS TIME. THE BROAD TROUGH OVER THE EAST COAST AND INTO THE SOUTHEAST WILL SLOWLY DIG INTO NORTHERN FLORIDA MONDAY AND TUESDAY...WITH A LOW LEVEL TROUGH MOVING INTO NORTHERN AND NORTH CENTRAL FLORIDA. HEIGHTS WILL SLOWLY DECREASE THROUGH THIS PERIOD...WITH A SLIGHT INCREASE IN MOISTURE AND RAIN CHANCES. AS MOISTURE SLOWLY INCREASES...RAIN CHANCES WILL BEGIN TO SLOWLY INCREASE FOR THE EAST COAST METRO AND GULF COAST REGION...BUT ONLY UP TO 20 PERCENT ON MONDAY AND TUESDAY. MOST OF THE ACTIVITY IS EXPECTED TO REMAIN ACROSS THE INTERIOR ALONG THE SEA BREEZE BOUNDARIES. A TROPICAL WAVE IS EXPECTED TO MOVE INTO THE BAHAMAS ON WEDNESDAY...WITH THE NORTHERN END OF THE AXIS MOVING ACROSS SOUTH FLORIDA ON THURSDAY AND FRIDAY...WITH HIGHER MOISTURE CONTINUING THROUGH NEXT WEEKEND. SO RAIN CHANCES WILL INCREASE SIGNIFICANTLY FOR THE END OF THE WEEK AND INTO NEXT WEEKEND. FOR NOW WILL KEEP POPS IN THE 30-40 PERCENT RANGE DUE TO UNCERTAINTY IN THE EXACT TIMING OF THE WAVE. TEMPERATURES WILL REMAIN NEAR NORMAL IN THE UPPER 80S TO LOWER 90S AND LOWS IN THE 70S TO AROUND 80. && .AVIATION...FOR 06Z TAFS. NO MAJOR UPDATES FROM THE PREVIOUS PACKAGE. VFR CONDITIONS WILL PREVAIL THROUGH MUCH OF THE PERIOD WITH LIGHT SRLY WINDS CONTINUING THROUGH THE LOWER LEVELS AROUND THE RIDGE AXIS. EARLY MORNING SHOWERS WILL REMAIN A POSSIBILITY AROUND THE APF SITE...WHICH COULD LEAD TO A BRIEF PERIOD OR TWO WITH REDUCED VSBYS/CIGS. OTHERWISE...THE BEST CHANCE FOR SHOWERS AND STORMS WILL REMAIN OVER THE INTERIOR SECTIONS TODAY...OR INLAND OF THE TERMINALS WHERE THE GULF AND ATLANTIC SEA BREEZES CONVERGE. 85/AG && .MARINE... WINDS WILL BE LESS THAN 15 KNOTS WITH SEAS 3 FEET OR LESS ALL MARINE ZONES THROUGH THE PERIOD. && .FIRE WEATHER... NO SIGNIFICANT CONCERNS AS RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL THRESHOLDS THROUGH THE NEXT SEVERAL DAYS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 90 77 89 78 / 10 10 10 10 FORT LAUDERDALE 90 79 90 79 / 10 10 10 10 MIAMI 91 79 91 79 / 10 10 10 10 NAPLES 91 76 91 76 / 10 10 10 10 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && DISCUSSION/MARINE/FIRE...84/AK AVIATION/RADAR...85/AG
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 940 AM EDT SAT JUL 28 2012 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 290445- 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 EXTENDING FROM 20 NM TO 60 NM- WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM TO THE TERRITORIAL WATERS OF THE 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- GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM 20 TO 60 NM- 940 AM EDT SAT JUL 28 2012 ...SCATTERED THUNDERSTORMS POSSIBLE INTERIOR THIS AFTERNOON... ...SLIGHT CHANCE OF WATERSPOUTS GULF AND ATLANTIC WATERS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND EARLY EVENING ACROSS THE INLAND LOCATIONS. THE PRIMARY THREATS FROM THE STRONGEST STORMS WILL BE FREQUENT LIGHTNING STRIKES ALONG WITH BRIEF HEAVY RAINFALL AND GUSTY WINDS. WIND: THE STRONGEST STORMS MAY PRODUCE WIND GUSTS UP TO 50 MPH. WATERSPOUTS: THE COMBINATION OF A FAVORABLE LOW LEVEL WIND PROFILE AND CLOUD CONVERGENCE BANDS WILL CREATE A SLIGHT RISK OF WATERSPOUTS ACROSS THE GULF AND ATLANTIC WATERS. TEMPERATURES: AFTERNOON TEMPERATURES WILL CLIMB INTO THE LOWER AND MID 90S ACROSS MUCH OF SOUTH FLORIDA TODAY. THIS COMBINED WITH THE HUMIDITY WILL RESULT IN HEAT INDICES REACHING THE 102 TO 107 RANGE ACROSS THE INTERIOR. CLOSER TO THE COAST, THESE VALUES ARE FORECAST TO RANGE FROM THE UPPER 90S TO AROUND 100. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY HEAT INDEX VALUES AROUND 105 DEGREES ARE POSSIBLE EACH DAY, ESPECIALLY ACROSS INTERIOR PORTIONS OF THE REGION DURING THE AFTERNOON HOURS. ISOLATED THUNDERSTORMS ARE POSSIBLE EACH DAY INTO THE UPCOMING WEEK. A SLIGHT INCREASE IN MOISTURE IS POSSIBLE SOMETIME THROUGH THE MID WEEK PERIOD, WHICH MAY TRANSLATE TO SLIGHTLY HIGHER RAIN CHANCES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
The Miami radar (KAMX), 22 km away, was scanning. The volume nearest the first event began at 16:14 UTC.
1 funnel cloud. Local standard time, as filed.
A Law Enforcement Officer along with the Homestead Airport Observer reported a tiny funnel cloud developing at about 2 miles southwest from the Homestead General Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2012Every state in 2012This day in weather historyWarnings in Florida, July 2012
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: 397371.