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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Melbourne FL
557 AM EDT Sat Aug 18 2018

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-190000-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-Volusia-
Brevard County Line to Sebastian Inlet 0-20 nm-
Sebastian Inlet to Jupiter Inlet 0-20 nm-Flagler Beach to Volusia-
Brevard County Line 20-60 nm-Volusia-
Brevard County Line to Sebastian Inlet 20-60 nm-
Sebastian Inlet to Jupiter Inlet 20-60 nm-Inland Volusia County-
Northern Lake County-Orange-Seminole-Southern Brevard County-
Osceola-Indian River-Okeechobee-St. Lucie-Martin-
Coastal Volusia County-Southern Lake County-
Northern Brevard County-
557 AM EDT Sat Aug 18 2018

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
A pocket of dry air will limit storm coverage over Lake, Volusia,
Seminole and Orange counties. But increased moisture is moving in
from the southeast across the Treasure coast. The east coast sea
breeze will develop by early afternoon and spark scattered
lightning storms as it pushes inland across Martin, Saint Lucie,
Indian River, south Brevard, Osceola and Okeechobee counties. A
few storms will become strong, capable of producing wind gusts up
to 50 mph, frequent lightning strikes and very heavy rainfall.

.EXCESSIVE HEAT IMPACT...
The combination of heat and humidity will produce peak heat
indices between 100 and 103 late this morning through the
afternoon. If working or recreating outdoors, stay hydrated and
take frequent breaks out of the sun.

.MARINE THUNDERSTORM GUST IMPACT...
Scattered lightning storms are expected to develop just inland
from the coast by early afternoon over Martin, Saint Lucie,
Indian River and southern Brevard counties. Storm motion will be
toward the north at 10 to 15 mph which may bring a few storms or
their gusty outflows back across the intracoastal waters.
Additional storms will develop over Osceola and Okeechobee
counties as the east coast sea breeze pushes inland. Gusty winds
around 35 knots and frequent lightning will be possible in a few
storms.

.RIVER FLOOD IMPACT...
The Saint Johns River at Astor, Sanford, and above Lake Harney
near Geneva remain above Action Stage. River levels are forecast
to remain steady or slowly fall into next week.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
Moisture will return northward this weekend and this will lead to
a return of scattered lightning storms each afternoon. Frequent
lightning, gusty winds and heavy downpours will be the primary
storm hazards.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.

$$

Kelly



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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