As a cold front moves through the western states, gusty conditions will bring fire weather concerns through the weekend from the interior Northwest into the Great Basin and Rockies. Elsewhere, temperatures will run ten or more degrees below normal from the Upper Midwest into much of the eastern U.S. Tropical development may bring heavy rainfall to parts of the western Gulf Coast this weekend. Read More >
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FLUS42 KMFL 181514
HWOMFL
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
1114 AM EDT Fri Sep 18 2020
AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
190315-
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-
1114 AM EDT Fri Sep 18 2020
...SCATTERED THUNDERSTORMS POSSIBLE THIS AFTERNOON...
...Atlantic Beaches: Elevated Rip Current Risk...
...Minor Coastal Flooding Expected Around High Tide...
This hazardous weather outlook is for South Florida.
.DAY ONE...THIS AFTERNOON AND TONIGHT
Rip currents: A high risk of rip currents exists for the Palm
Beaches. A moderate risk of rip currents exists for the Atlantic
beaches of Miami-Dade and Broward.
Coastal Flooding: Minor flooding of coastal locations is possible
during high tide cycles due to astronomically higher tides.
Thunderstorms: A few thunderstorms are possible across South Florida
this afternoon and evening. Lightning and locally heavy rainfall are
the primary hazards. Strong wind gusts and funnel clouds are possible
with a strong storm or two today.
Waterspouts: A few waterspouts are possible today for all the local
South Florida waters.
Flooding: Heavy rainfall from thunderstorms could lead to the
localized ponding of water, particularly in urbanized and poorly
drained areas in the east coast metro areas today. Areas that drain
to local bodies of water may also experience slower than normal
drainage around the times of high tide due to the astronomically
higher tides.
Temperatures: Heat index values could climb into the 105 to 107 range
across the western interior and northeastern Palm Beach County this
afternoon.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
Minor coastal flooding is expected during high tide cycles through
the weekend.
Abundant moisture will remain over the area through the rest of the
week, keeping the risk of flooding, especially for urban and low
lying areas.
A frontal boundary is expected to approach the region by the weekend,
increasing rain and thunderstorm chances across South Florida.
Breezy northeasterly winds are projected behind the frontal passage,
leading to hazardous marine and beach conditions through early next
week.
.SPOTTER INFORMATION STATEMENT...
Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, funnel clouds,
waterspouts, and flooding to the National Weather Service forecast
office in Miami. Please relay any information about observed severe
weather to the NWS while following all local, state, and CDC
guidelines.
For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.
$$
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