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Tropical Depression Nineteen Advisory Number 3
NWS National Hurricane Center Miami FL AL192020
500 AM EDT Sat Sep 12 2020
...CENTER OF THE DEPRESSION MOVING ACROSS THE SOUTHERN END OF THE
...EXPECTED TO BECOME A TROPICAL STORM OVER THE GULF OF MEXICO
LATER TODAY OR TONIGHT...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
ABOUT 35 MI...55 KM WSW OF MIAMI FLORIDA
ABOUT 75 MI...125 KM ESE OF NAPLES FLORIDA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Tropical Storm Watch is discontinued along the southeastern
coast of Florida.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* 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 500 AM EDT (0900 UTC), the center of Tropical Depression Nineteen
was located near latitude 25.6 North, longitude 80.7 West. The
depression is moving toward the west near 9 mph (15 km/h), and a
turn toward the west-northwest is expected later today. A
west-northwestward motion with a decrease in forward speed is then
expected during the next couple of days. On the forecast track,
the center of the depression is forecast to move across the
southern Florida Peninsula this morning, move over the southeastern
Gulf of Mexico later today, and then move northwestward over the
north-central Gulf of Mexico on Monday.
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Strengthening is expected when the center moves over the Gulf of
Mexico, and the depression is expected to become a tropical storm
later today or tonight and gradually intensify through Monday.
The estimated minimum central pressure is 1004 mb (29.65 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are possible in the watch area in
the Florida Panhandle by Sunday night. Wind gusts to tropical-
storm force are possible across the southern portion of the Florida
RAINFALL: Tropical Depression Nineteen is expected to produce total
rainfall accumulations of 2 to 4 inches with isolated maximum
amounts of 6 inches across west-central and southern Florida,
including the Florida Keys through Sunday. This rainfall may produce
scattered flash flooding and prolong high flows and ongoing minor
flooding on rivers across Central Florida.
Tropical Depression Nineteen is expected to produce total rainfall
accumulations of 2 to 4 inches with isolated maximum amounts of 6
inches across portions of the central Gulf Coast Sunday through
Tuesday morning. This rainfall could produce scattered flash
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.
TORNADOES: A tornado or two is possible today and tonight over
Next intermediate advisory at 800 AM EDT.
Next complete advisory at 1100 AM EDT.