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Tropical Depression Nineteen Intermediate Advisory Number 2A
NWS National Hurricane Center Miami FL AL192020
200 AM EDT Sat Sep 12 2020
...CENTER OF THE DEPRESSION MOVING ONSHORE NEAR MIAMI FLORIDA...
...EXPECTED TO BECOME A TROPICAL STORM OVER THE GULF OF MEXICO
TONIGHT OR SUNDAY...
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
ABOUT 10 MI...15 KM SSE OF MIAMI FLORIDA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* South of Jupiter Inlet to north of Ocean Reef
* Ochlockonee River to Okaloosa/Walton County Line
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area within the next 48 hours.
Interests elsewhere along the northern Gulf Coast should monitor the
progress of this system. Tropical storm or hurricane watches
could be issued for a portion of that area on Saturday.
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
DISCUSSION AND OUTLOOK
At 200 AM EDT (0600 UTC), the center of Tropical Depression Nineteen
was located near latitude 25.7 North, longitude 80.2 West. The
depression is moving toward the west-northwest near 8 mph (13 km/h)
and this motion with a decrease in forward speed is expected during
the next few days. On the forecast track, the center of depression
is forecast to move inland over south Florida during the next hour
or so, move over the southeastern Gulf of Mexico later today, and
then move northwestward over the north-central Gulf of Mexico on
Maximum sustained winds are near 35 mph (55 km/h) with higher
gusts. Little change in strength is likely while the center crosses
the Florida Peninsula today. It is expected to become a tropical
storm tonight or Sunday over the Gulf of Mexico and gradually
intensify through Monday. A wind gust of 41 mph (66 km/h) was
recently reported at the University of Miami Rosenstiel School
campus on Virginia Key, Florida.
The estimated minimum central pressure is 1007 mb (29.74 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are possible within the watch
area in south Florida overnight and early Saturday. Tropical storm
conditions are possible in the watch area in the Florida Panhandle
by Sunday night.
RAINFALL: Tropical Depression Nineteen is expected to produce total
rainfall accumulations of 1 to 3 inches with isolated maximum
amounts of 5 inches across central and southern Florida, including
the Florida Keys through Sunday. This rainfall may produce isolated
flash flooding and prolong high flows and ongoing minor flooding on
rivers across Central Florida. Total rainfall accumulations of 2 to
4 inches with isolated maximum amounts of 6 inches is expected
across the western Florida Panhandle. This rainfall could produce
isolated flash flooding.
SURF: Swells are expected to spread northward along the
west-central coast of Florida and the Florida Panhandle during the
next couple of days. These swells are likely to cause
life-threatening surf and rip current conditions. Please consult
products from your local weather office.
Next complete advisory at 500 AM EDT.