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Hazardous Weather Outlook

Hazardous Weather Outlook...UPDATED
National Weather Service Melbourne FL
530 AM EDT Tue Aug 21 2018

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-220000-
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-
530 AM EDT Tue Aug 21 2018

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
Light west to east steering flow and adequate moisture will
support another round of scattered afternoon lightning storms.
Late day boundary collisions between the sea breezes should
lead to the greatest coverage of storms across Osceola, Orange,
Seminole, and inland Volusia counties. There is the potential for
a few of these storms to push back toward the east coast late
this afternoon, especially north of Sebastian Inlet. Lower storm
coverage is expected over the Treasure Coast due to slightly drier
air.

Lightning strikes and torrential downpours will be the primary
storm hazards. Seek shelter in an enclosed building or automobile
if thunder is heard. Picnic shelters, tents, and golf carts offer
no protection from the dangers of lightning.

.FLOOD IMPACT...
Slow moving storms will produce very heavy rainfall, capable of
accumulating up to 2 to 3 inches in a 60 to 90 minute period.
Temporary flooding of some roads as well as low lying and poor
drainage areas will occur. Do not drive a vehicle into water of
unknown depth.

.MARINE THUNDERSTORM GUST IMPACT...
As isolated to scattered storms develop along the east coast sea
breeze from early to mid afternoon, gusty outflows may affect
portions of the intracoastal waters. Later this afternoon,
additional storms are expected to develop over the mainland and
lead to frequent lightning strikes and gusty winds in excess of 30
knots over inland lakes. Some of these storms could push back
toward the coast, mainly north of Sebastian Inlet.

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

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
Scattered afternoon lightning storms will produce a threat for
frequent lightning strikes, gusty winds, and heavy downpours each
day.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today; however, please
report rainfall amounts greater than 3 inches to the Melbourne
National Weather Service.

$$

Ulrich



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