Hazardous Weather Outlook
Issued by NWS Miami, FL

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FLUS42 KMFL 181349 AAA
HWOMFL

Hazardous Weather Outlook for South Florida...UPDATED
National Weather Service Miami FL
949 AM EDT Fri Aug 18 2017

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
190200-
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-
949 AM EDT Fri Aug 18 2017

...STRONG STORMS POSSIBLE OVER SW FLORIDA THIS AFTERNOON...
...HEAT INDICES BETWEEN 103 AND 105 DEGREES...
...INCREASING HEAVY RAIN CHANCES FOR THE WEEKEND INTO NEXT WEEK...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms: Scattered thunderstorms are expected to develop over
the interior and gulf coast this afternoon along the sea breeze
boundaries. The primary hazards will be lightning, gusty wind, small
hail, and locally heavy rainfall.

Wind: Afternoon thunderstorms will be capable of producing gusty and
erratic winds up to 55 mph.

Hail: Small hail up to the size of nickels is possible with strong
thunderstorms over Southwest Florida this afternoon.

Flooding: Heavy rainfall from slow-moving thunderstorms over portions
of interior Southwest Florida could create minor flooding in low-
lying and poorly drained areas.

Temperatures: The heat index will be above 100 degrees across most
of South Florida this afternoon, with values of 105 possible across
much of the east coast metro and Gulf coast metro regions.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Increasing tropical moisture is forecast to bring better storm
coverage Saturday into Sunday with locally heavy rainfall. A low
pressure system moving in the from the east may bring widespread
precipitation by mid next week. Heavy rainfall and lightning will be
the main hazards.

Stronger southeasterly flow may bring an increased threat for rip
currents late this weekend.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, hail 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.

$$

RAG



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