Broad Atlantic ridge axis south of FL creeps northward, though steering flow remains westerly, so numerous storms and thunderstorms across the region, specifically the interior and Palm Beach County due to the aforementioned flow and diurnal heating. Drier air aloft supports stronger storms.
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.
Broad Atlantic ridge axis south of FL creeps northward, though steering flow remains westerly, so numerous storms and thunderstorms across the region, specifically the interior and Palm Beach County due to the aforementioned flow and diurnal heating. Drier air aloft supports stronger storms. One of the storms produced lightning that struck a man walking his dog.
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 Aug 17, 12:50 PM EST, 1 hour 22 minutes earlier.
Area Forecast Discussion National Weather Service Miami FL 150 PM EDT Sat Aug 17 2019 .AVIATION... VFR conditions should prevail throughout the forecast period outside of brief periods of mvfr early this afternoon for east coast sites from MIA north with convection currently going on. Kept VC for this afternoon east coast sites and will handle prevailing wx with amendments or with tempo groups as wx directly impacting a site should be brief or well under an hour. Southeast south winds early this afternoon may give way to variable winds around storms for brief periods. Winds will become light and variable overnight and mostly easterly tomorrow. Same at APF except for onshore sea breeze this afternoon. At APF, probabilities too low to include any mention of precip at this time. && .PRELIMINARY POINT TEMPS/POPS... West Palm Beach 92 76 92 78 / 50 20 20 20 Fort Lauderdale 90 78 90 79 / 40 20 20 20 Miami 91 78 92 79 / 40 20 20 10 Naples 89 76 91 76 / 20 10 30 30 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. GM...None. && DISCUSSION...52/PS
Hazardous Weather Outlook for South Florida National Weather Service Miami FL 453 AM EDT Sat Aug 17 2019 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 172100- 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- 453 AM EDT Sat Aug 17 2019 ...Scattered to Numerous Thunderstorms Mainly Interior Today... This hazardous weather outlook is for South Florida. .DAY ONE...TODAY AND TONIGHT Thunderstorms: Scattered to numerous showers and thunderstorms will develop across South Florida today. The greatest coverage of storms will be across the interior sections. The strongest storms could contain gusty winds, heavy downpours, and frequent lightning. Waterspouts: Isolated waterspouts are possible across all South Florida waters. Wind: The strongest thunderstorms today will be capable of producing wind gusts of up to 50 mph. Flooding: Saturated ground across much of the region will mean any thunderstorms that produce heavy rain will bring the threat for at least minor flooding of streets and poor drainage areas across all of South Florida. Temperatures: Warm and humid conditions will continue to produce late morning and early afternoon heat index readings over 100 degrees for all of South Florida. Portions of South Florida, especially across Collier, interior Miami-Dade, and Palm Beach counties will see the highest values reach 105 to 108 degrees for an hour or two around midday. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY More numerous thunderstorms are expected to return for all of South Florida early next week. Frequent lightning, heavy rain capable of producing localized flooding, and gusty winds will continue to be the main hazards. Heat indices may reach around 105 to 108 degrees for a few hours in the late morning and early afternoon through early next week. .SPOTTER INFORMATION STATEMENT... Widespread spotter activation is not anticipated, however individual spotters are encouraged to report high wind and flooding to the National Weather Service forecast office in Miami. For more information...visit the National Weather Service in Miami website at www.weather.gov/miami.
Special Weather Statement
National Weather Service Miami FL
120 PM EDT Sat Aug 17 2019
FLZ063-066-067-071-171800-
Inland Broward County FL-Hendry FL-Inland Palm Beach County FL-
Glades FL-
120 PM EDT Sat Aug 17 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HENDRY...NORTHERN
BROWARD...SOUTHWESTERN PALM BEACH AND SOUTHERN GLADES COUNTIES UNTIL
200 PM EDT...
* At 119 PM EDT, National Weather Service meteorologists were
tracking strong thunderstorms along a line extending from 10 miles
northwest of Rotenberger Wildlife Refuge to 8 miles northeast of
Miccosukee Service Plaza. Movement was north at 20 mph.
* Winds in excess of 45 mph possible with these storms.
* Locations impacted include...
Clewiston, South Bay, Montura, Lake Harbor, Okeelanta, Holey Land
Wildlife Refuge, Devils Garden, Rotenberger Wildlife Refuge, Harlem
and West Broward Rec. Area On Alligator Alley.
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.
Frequent cloud to ground lightning is occurring with these storms. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.
&&
LAT...LON 2611 8070 2656 8122 2689 8100 2689 8098
2634 8037
TIME...MOT...LOC 1719Z 188DEG 18KT 2652 8094 2624 8074
HVNSpecial Weather Statement
National Weather Service Miami FL
129 PM EDT Sat Aug 17 2019
FLZ071>074-172-173-171815-
Inland Broward County FL-Coastal Broward County FL-
Metro Broward County FL-Metropolitan Miami Dade FL-Inland Miami-
Dade County FL-Coastal Miami Dade County FL-
129 PM EDT Sat Aug 17 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MIAMI-DADE AND
BROWARD COUNTIES UNTIL 215 PM EDT...
* At 129 PM EDT, National Weather Service meteorologists were
tracking a strong thunderstorm near East Toll Gate On Alligator
Alley, or 9 miles northwest of Pembroke Pines, moving northeast at
15 mph.
* Winds in excess of 45 mph possible with this storm.
* Locations impacted include...
Hialeah, Fort Lauderdale, Pembroke Pines, Hollywood, Miramar, Coral
Springs, Pompano Beach, Davie, Plantation, Sunrise, Deerfield
Beach, Tamarac, Margate, Lighthouse Point, Lauderdale-By-The-Sea,
Miami Gardens, Hallandale, Lauderhill, Weston and Coconut Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.
&&
LAT...LON 2580 8030 2607 8060 2633 8036 2632 8008
2615 8004
TIME...MOT...LOC 1729Z 222DEG 13KT 2609 8046
KELLYSpecial Weather Statement
National Weather Service Miami FL
154 PM EDT Sat Aug 17 2019
FLZ063-066>068-071-171930-
Inland Broward County FL-Hendry FL-Inland Palm Beach County FL-
Metro Palm Beach County FL-Glades FL-
154 PM EDT Sat Aug 17 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HENDRY...NORTH
CENTRAL BROWARD...PALM BEACH AND SOUTHEASTERN GLADES COUNTIES UNTIL
330 PM EDT...
* At 154 PM EDT, National Weather Service meteorologists were
tracking strong thunderstorms along a line extending from near
Clewiston to 6 miles east of Holey Land Wildlife Refuge. Movement
was northeast at 15 mph.
* Wind gusts up to 50 mph possible with these storms.
* Locations impacted include...
West Palm Beach, Wellington, Palm Beach Gardens, Belle Glade,
Clewiston, Pahokee, South Bay, Canal Point, Lake Harbor,
Greenacres, Royal Palm Beach, Haverhill, Belle Glade Camp, Golden
Lakes, North County Airport, Loxahatchee Groves, Lion Country
Safari Park, Gun Club Estates, Okeelanta and Royal Palm Estates.
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.
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.
&&
LAT...LON 2628 8049 2667 8107 2688 8095 2688 8091
2679 8082 2682 8080 2691 8070 2694 8070
2700 8065 2700 8062 2696 8061 2696 8024
2667 8010
TIME...MOT...LOC 1754Z 218DEG 12KT 2668 8096 2643 8062
HVNSpecial Weather Statement National Weather Service Miami FL 213 PM EDT Sat Aug 17 2019 FLZ067-068-071>074-168-172-173-171900- Inland Broward County FL-Coastal Broward County FL- Coastal Palm Beach County FL-Metro Broward County FL- Metropolitan Miami Dade FL-Inland Palm Beach County FL-Inland Miami- Dade County FL-Metro Palm Beach County FL- Coastal Miami Dade County FL- 213 PM EDT Sat Aug 17 2019 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MIAMI-DADE...BROWARD AND SOUTHEASTERN PALM BEACH COUNTIES UNTIL 300 PM EDT... * At 213 PM EDT, National Weather Service meteorologists were tracking strong thunderstorms along a line extending from Parkland to Miami Lakes. Movement was northeast at 10 mph. * Winds in excess of 45 mph possible with these storms. * Locations impacted include... Miami, Hialeah, Fort Lauderdale, Pembroke Pines, Hollywood, Miramar, Coral Springs, Pompano Beach, Davie, Miami Beach, Plantation, Sunrise, Boca Raton, Deerfield Beach, Tamarac, Margate, Miami Gardens, Hallandale, Lauderhill and Weston. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2582 8014 2583 8045 2642 8031 2640 8010 TIME...MOT...LOC 1813Z 203DEG 8KT 2631 8022 2591 8031 KELLY
Special Weather Statement National Weather Service Miami FL 242 PM EDT Sat Aug 17 2019 FLZ067-068-168-171930- Coastal Palm Beach County FL-Inland Palm Beach County FL- Metro Palm Beach County FL- 242 PM EDT Sat Aug 17 2019 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PALM BEACH COUNTY UNTIL 330 PM EDT... * At 241 PM EDT, Doppler radar was tracking a strong thunderstorm near Kings Point, or 7 miles west of Highland Beach, moving north at 20 mph. * Winds in excess of 45 mph possible with this storm. * Locations impacted include... West Palm Beach, Boca Raton, Boynton Beach, Delray Beach, Wellington, Lake Worth, Palm Beach, Highland Beach, Ocean Ridge, Greenacres, Royal Palm Beach, Palm Springs, Lantana, Atlantis, Haverhill, Cloud Lake, Mission Bay, Palm Beach International Airport, Boca Pointe and Boca Del Mar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2633 8008 2634 8034 2671 8033 2669 8000 TIME...MOT...LOC 1841Z 190DEG 18KT 2645 8019 MM
Special Weather Statement
National Weather Service Miami FL
311 PM EDT Sat Aug 17 2019
FLZ067-068-168-172000-
Coastal Palm Beach County FL-Inland Palm Beach County FL-
Metro Palm Beach County FL-
311 PM EDT Sat Aug 17 2019
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN PALM BEACH COUNTY UNTIL
400 PM EDT...
* At 311 PM EDT, Doppler radar was tracking strong thunderstorms
along a line extending from near Jupiter to Kings Point. Movement
was northeast at 10 mph.
* Winds in excess of 45 mph possible with these storms.
* Locations impacted include...
West Palm Beach, Boynton Beach, Delray Beach, Wellington, Jupiter,
Palm Beach Gardens, Lake Worth, Riviera Beach, Palm Beach,
Tequesta, Juno Beach, Ocean Ridge, Greenacres, Royal Palm Beach,
Palm Springs, North Palm Beach, Lantana, Lake Park, Atlantis and
Haverhill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.
&&
LAT...LON 2646 8003 2647 8029 2696 8022 2696 8014
2697 8014 2697 8003
TIME...MOT...LOC 1911Z 203DEG 8KT 2691 8011 2647 8014
MMThe Miami radar (KAMX), 137 km away, was scanning. The volume nearest the first event began at 19:10 UTC.
1 lightning. Local standard time, as filed.
Broadcast media reports a man was critically injured due to a lightning strike. He was injured while walking his dog in Lake Park. The man was transported to a local hospital.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2019Every state in 2019This day in weather historyWarnings in Florida, August 2019
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: 850408.