Issued at 500 PM EDT Fri Jul 04 2025 460
WTNT33 KNHC 042034
TCPAT3
BULLETIN
Tropical Depression Three Advisory Number 1
NWS National Hurricane Center Miami FL AL032025
500 PM EDT Fri Jul 04 2025
…TROPICAL DEPRESSION FORMS OFF OF THE SOUTHEAST U.S. COAST…
…TROPICAL STORM WATCH ISSUED FOR PORTIONS OF SOUTH CAROLINA…
SUMMARY OF 500 PM EDT…2100 UTC…INFORMATION
———————————————-
LOCATION…30.8N 79.0W
ABOUT 150 MI…240 KM SSE OF CHARLESTON SOUTH CAROLINA
ABOUT 245 MI…395 KM SSW OF WILMINGTON NORTH CAROLINA
MAXIMUM SUSTAINED WINDS…35 MPH…55 KM/H
PRESENT MOVEMENT…N OR 360 DEGREES AT 2 MPH…4 KM/H
MINIMUM CENTRAL PRESSURE…1012 MB…29.89 INCHES
WATCHES AND WARNINGS
——————–
CHANGES WITH THIS ADVISORY:
A Tropical Storm Watch has been issued from Edisto Beach, South
Carolina to Little River Inlet, South Carolina.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for…
* Edisto Beach to Little River Inlet
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere along the southeast coast of the United States
should monitor the progress of this system. Additional warnings
and watches will likely be required for portions of this area
later tonight and 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 PM EDT (2100 UTC), the center of Tropical Depression Three
was located near latitude 30.8 North, longitude 79.0 West. The
depression is moving toward the north near 2 mph (4 km/h). A slow
motion toward the north-northwest is expected through Saturday,
followed by a motion toward the north Saturday night and Sunday.
On the forecast track, the center of the depression is expected to
move near or over the coast of South Carolina Sunday morning.
Reports from an Air Force Reserve Hurricane Hunter data indicate
that maximum sustained winds are near 35 mph (55 km/h) with higher
gusts. Gradual strengthening is expected, and the system is forecast
to become a tropical storm on Saturday.
The minimum central pressure estimated from Air Force Reserve
Hurricane Hunter aircraft data is 1012 mb (29.89 inches).
HAZARDS AFFECTING LAND
———————-
Key messages for Tropical Depression Three can be found in the
Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO
header WTNT43 KNHC.
WIND: Tropical storm conditions are possible in the watch area
beginning late Saturday or early Sunday.
RAINFALL: Tropical Depression Three is expected to produce heavy
rainfall across portions of the coastal plain of the Carolinas
Saturday through Monday. Storm total rainfall of 2 to 4 inches, with
local amounts to 6 inches, is expected. This would result in an
elevated risk for flash flooding.
For a complete depiction of forecast rainfall and flash flooding
associated with Tropical Depression Three, please see the National
Weather Service Storm Total Rainfall Graphic, available at
hurricanes.gov/graphics_at3.shtml?rainqpf
STORM SURGE: A storm surge of 1 to 2 ft above ground level could
occur along the coast in the tropical storm watch area in areas of
onshore flow.
SURF: The depression is expected to bring rough surf and rip
currents to much of the Carolina coastline during the next couple of
days.
NEXT ADVISORY
————-
Next intermediate advisory at 800 PM EDT.
Next complete advisory at 1100 PM EDT.
$$
Forecaster Beven
