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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Melbourne FL
842 PM EDT Tue Sep 29 2020

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-301000-
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-
Northern Lake-Orange-Seminole-Southern Brevard-Osceola-
Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
842 PM EDT Tue Sep 29 2020

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.THUNDERSTORM IMPACT...
Earlier strong thunderstorms have since pushed offshore over the
Atlantic waters, leaving a threat for lightning strikes to
continue overnight over the Gulf Stream. A small threat for
lightning will remain over land areas south of Cape Canaveral and
Orlando through midnight.

.FLOOD IMPACT...
With heaviest showers and storms now moved offshore from east
central FL, a low end threat for flooding rainfall will be present
overnight with isolated storms continuing to push northeast
generally south of I-4. Rainfall amounts of 1 to 2 inches is
possible late this evening, contributing to flooding of areas that
already received rounds of heavy rain today.

.MARINE THUNDERSTORM GUST IMPACT...
Thunderstorms capable of producing wind gusts above 35 knots will
be present this evening and late tonight over the Gulf Stream
waters. Mariners should be prepared to seek safe harbor until
storms pass.

.WIND AND SEA IMPACT...
S to SW winds of 15 to 20 knots will briefly subside overnight,
but increase again towards daybreak, veering NW as a cold front
reaches the local waters. Small craft should continue to exercise
caution overnight.

.RIVER FLOOD IMPACT...
The Saint Johns River at Astor has fluctuated in and out of
Moderate Flood Stage today due to heavy rain near the site. Lower
rain chances through the remainder of the week may help levels
lower, however an increase in northwesterly winds behind a cold
front passage may cause levels to rise slightly again. Through the
remainder of the week, Astor will remain in Minor Flood or hover
just near Moderate Flood stage. The Saint Johns River near
Deland, Sanford, and above Lake Harney is forecast to remain
within Action Stage through the week.

Refer to daily Flood Statements from NWS Melbourne for the latest
river levels and forecasts.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
Much lower lightning storm chances are expected from mid to late
week, north of the Treasure Coast, with higher rain chances
returning areawide this weekend and into early next week. Locally
heavy rain could occur along the Treasure Coast late this week and
into the weekend.

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

$$

Smith



U.S. Dept. of Commerce
NOAA National Weather Service
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