As a surface frontal boundary pushed southward through the southeastern United States, winds began to veer south-southeast bringing moist, warm air into South Florida. This supported the development of numerous showers and thunderstorms along the sea-breeze on the afternoon and evening of July 29th.
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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.
As a surface frontal boundary pushed southward through the southeastern United States, winds began to veer south-southeast bringing moist, warm air into South Florida. This supported the development of numerous showers and thunderstorms along the sea-breeze on the afternoon and evening of July 29th.
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 29, 11:49 AM EST, 41 minutes earlier.
Area Forecast Discussion National Weather Service Miami FL 1249 PM EDT Mon Jul 29 2024 ...New SHORT TERM, AVIATION, MARINE... .SHORT TERM... (Rest of today through Tuesday) Issued at 1247 PM EDT Mon Jul 29 2024 High pressure over the northern Atlantic, high pressure over the southern plains/northwestern Gulf of Mexico, and a trough over the eastern third of the United States will be the major synoptic features in play for the short term forecast period. Florida sits in the weakness between the Atlantic and Gulf highs. The wind flow remains fairly light and largely driven by diurnal sea breeze circulations. Warm temperatures and an unsettled, diurnally-driven convective pattern will continue both this afternoon/evening and again on Tuesday. Storms that develop today could have gusty winds, frequent lightning, and the potential to create localized flooding due to excessive rainfall. The slow-moving nature of the storms today and Tuesday could lead to a quick saturation in localized urban areas, particularly if they see multiple rounds of rainfall, which could lead to flooding. Temperatures will max out in the lower 90s with heat index values forecast to reach the triple digits each afternoon. Depending on the convective start on Tuesday, a heat advisory cannot be ruled out. && .LONG TERM... (Tuesday night through Sunday) Issued at 208 AM EDT Mon Jul 29 2024 The wet early week period will give way to a drier mid-week as the subtropical ridge builds southwestward and light-moderate easterly flow advects another SAL intrusion into the area Wednesday into Thursday. PWATs will only be in the 1.5-1.7 inch range through Thursday (around the climo 10th percentile), which should limit PoPs below climatology (i.e. largely 25-50%) with the highest chances over the western half of the Peninsula due to the mean easterly low- lvl flow. Given the warm airmass associated with the ridge and reduced clouds and precipitation, heat headlines look quite likely both days, potentially for all of South Florida, as highs reach the mid 90s and heat indices top out in the 105-110 degree range. By the latter portion of the long-term, the forecast will largely be dependent upon the (intertwined) evolution of a shortwave trough digging southward into the eastern US and a tropical wave currently positioned in the Central Atlantic. Despite the fact that we are now in the medium-range period, forecast confidence remains quite low. Global deterministic and ensemble guidance depict various levels of wave organization, ranging from a "sloppy" open wave to a likely named storm, and also forecast tracks ranging from the central GOM to comfortably east of the Florida Peninsula. This uncertainty is not overly surprising given the fairly broad nature of the wave, which adds uncertainty to which portion of the wave eventually becomes dominant, which in turn will affect its track and potential interaction with the Greater Antilles. Unfortunately given all the aforementioned uncertainty it is hard to deviate much from easterly regime PoP/temperature climo for the period, although naturally with the caveat, that fairly large changes in the forecast could be needed if the wave's track focuses more towards our area and/or its organization increases. && .AVIATION... (18Z TAFS) Issued at 1247 PM EDT Mon Jul 29 2024 An unsettled pattern largely driven by the diurnal sea breezes continues. Slow storm motions could mean longer bouts of sub-VFR at impacted terminals into the evening. Short-fused AMDs for IFR/LIFR possible. Some directional variability and gustiness with the wind due to convection today. Flow should become lighter tonight. Showers and storms will return for Tuesday. && .MARINE... Issued at 1247 PM EDT Mon Jul 29 2024 Relatively light wind flow driven largely by sea breeze circulations through Tuesday. An easterly to southeasterly wind flow builds late Tuesday that will linger through much of the week. Any thunderstorms that may form, will produce brief periods of rough seas and gusty winds. Late week, attention turns to the tropics as NHC monitors a disturbance in the central Atlantic that has a medium chance of development in the vicinity of the Greater Antilles or the Bahamas. && .PRELIMINARY POINT TEMPS/POPS... Miami 78 91 80 92 / 40 60 10 30 West Kendall 75 92 77 93 / 40 60 10 30 Opa-Locka 78 92 80 93 / 40 60 10 30 Homestead 76 90 80 91 / 30 50 10 30 Fort Lauderdale 78 90 80 90 / 40 60 10 30 N Ft Lauderdale 78 91 80 92 / 40 60 10 30 Pembroke Pines 77 94 79 95 / 40 60 10 30 West Palm Beach 77 91 79 92 / 40 60 10 30 Boca Raton 77 92 80 92 / 40 60 10 30 Naples 78 90 77 92 / 50 70 20 40 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. GM...None. && SHORT TERM...RAG LONG TERM....Carr AVIATION...RAG
Hazardous Weather Outlook National Weather Service Miami FL 338 AM EDT Mon Jul 29 2024 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 300745- 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 County-Metro Palm Beach County- Coastal Collier County-Inland Collier County-Inland Broward County- Metro Broward County-Inland Miami-Dade County- Metropolitan Miami Dade-Mainland Monroe-Coastal Palm Beach County- Coastal Broward County-Coastal Miami Dade County-Far South Miami- Dade County- 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- 338 AM EDT Mon Jul 29 2024 ...Numerous Showers and Thunderstorms Today... ...Localized Flooding Possible in Poor Drainage Areas... This Hazardous Weather Outlook is for Atlantic coastal waters, southeast Florida, southern Florida, southwest Florida and Gulf of Mexico. .DAY ONE...Today and tonight. Thunderstorms: Scattered to numerous thunderstorms will develop this afternoon over portions of South Florida. These storms will be capable of gusty winds, frequent lightning, and heavy downpours. Excessive Rainfall: With any slow-moving storms containing heavy downpours, localized flooding is possible across urban and poor drainage areas. Heat: Peak heat indices will likely reach the triple digits, but should generally remain below advisory criteria. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered to numerous thunderstorms will be possible each day through the period. The strongest storms could produce gusty winds, frequent lightning, and heavy downpours. The greatest threat of heavy rain and potential flooding will likely be early this week. Heat indices will remain near or above advisory thresholds, especially moving into the mid-to-late week. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report high wind, hail, and flooding to the National Weather Service forecast office in Miami.
Special Weather Statement
National Weather Service Miami FL
1250 PM EDT Mon Jul 29 2024
FLZ072-074-172-173-291715-
Coastal Broward County FL-Metro Broward County FL-
Metropolitan Miami Dade FL-Coastal Miami Dade County FL-
1250 PM EDT Mon Jul 29 2024
...A strong thunderstorm will impact portions of northern Miami-Dade
and southern Broward Counties through 115 PM EDT...
At 1250 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over West Park, or near Hallandale, moving
south at 15 mph.
HAZARD...Wind gusts of 45 to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Miami, Hialeah, Pembroke Pines, Hollywood, Miramar, Davie,
Hallandale, Miami Gardens, North Miami, North Miami Beach, Aventura,
Miami Lakes, Cooper City, Opa-Locka, West Park, Miami Shores, El
Portal, Westview, Country Club, and Miramar Parkway And University
Drive.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2587 8017 2586 8018 2586 8017 2585 8017
2585 8018 2582 8018 2591 8034 2606 8026
2603 8013
TIME...MOT...LOC 1650Z 015DEG 11KT 2597 8019
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
ATVSpecial Weather Statement
National Weather Service Miami FL
119 PM EDT Mon Jul 29 2024
FLZ074-173-291745-
Metropolitan Miami Dade FL-Coastal Miami Dade County FL-
119 PM EDT Mon Jul 29 2024
...A strong thunderstorm will impact portions of northern Miami-Dade
County through 145 PM EDT...
At 119 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over Miami Springs, or near Miami, moving south
at 15 mph.
HAZARD...Wind gusts of 45 to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Miami, Hialeah, Coral Gables, South Miami, Kendall, Doral, Hialeah
Gardens, Pinecrest, Miami Springs, Sweetwater, Miami Shores, West
Miami, El Portal, Medley, Westchester, Gladeview, Glenvar Heights,
Fountainbleau, University Of Miami, and Downtown Miami.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2584 8017 2584 8018 2582 8018 2581 8019
2575 8019 2574 8022 2573 8022 2574 8023
2571 8025 2569 8025 2569 8026 2564 8027
2569 8041 2589 8037 2586 8017
TIME...MOT...LOC 1719Z 015DEG 14KT 2581 8026
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
ATVThe Miami radar (KAMX), 48 km away, was scanning. The volume nearest the first event began at 17:27 UTC.
1 thunderstorm wind, 1 funnel cloud. Local standard time, as filed.
A member of the public reported downed large tree branches and fence damage in Hollywood after a strong thunderstorm moved through the area.
A trained spotter reported a funnel cloud east of Naples associated with a thunderstorm moving through the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2024Every state in 2024This day in weather historyWarnings in Florida, July 2024
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: 1197377, 1197369.