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Tropical Depression Claudette Intermediate Advisory Number 10A
NWS National Hurricane Center Miami FL AL032021
100 AM CDT Sun Jun 20 2021
...HEAVY RAINS FROM CLAUDETTE PERSIST ACROSS PORTIONS OF THE
SOUTHEASTERN UNITED STATES...
SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
ABOUT 45 MI...75 KM S OF BIRMINGHAM ALABAMA
ABOUT 145 MI...235 KM WSW OF ATLANTA GEORGIA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* Cape Fear to Duck, North Carolina
* Pamlico and Albemarle Sounds
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within the next 36 to
Interests elsewhere across the southeast U.S. should monitor the
progress of this system. Tropical storm warnings will likely be
required for a portion of the watch area this morning.
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 100 AM CDT (0600 UTC), the center of Tropical Depression
Claudette was located near latitude 32.9 North, longitude 86.7 West.
The depression is moving toward the northeast near 13 mph (20 km/h).
A turn toward the east-northeast is expected later today. On the
forecast track, the system should cross portions of the southeast
U.S. through Sunday night, and move over the coasts of the
Carolinas into the western Atlantic Ocean on Monday.
Maximum sustained winds remain near 30 mph (45 km/h) with higher
gusts. These winds are mainly occurring over the Gulf of Mexico
well to the south of the center. Little change in strength is
expected today. However, the cyclone is forecast to become a
tropical storm again when it moves across the Carolinas Sunday
night or early Monday.
The estimated minimum central pressure based on surface
observations is 1006 mb (29.71 inches).
HAZARDS AFFECTING LAND
Key messages for Claudette can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC,
and on the web at
RAINFALL: Claudette is expected to produce additional rainfall
totals of 2 to 4 inches with isolated maximum amounts of 8 inches
across northern Alabama, northern Georgia, the Florida Panhandle,
and South and North Carolina. Flash, urban and small stream flooding
impacts, as well as new and renewed minor to isolated moderate river
flooding are possible across these areas.
Storm total rainfall is expected to be 5 to 10 inches with isolated
15 inch totals in southeast Louisiana, southern Mississippi,
southern Alabama, and the western Florida panhandle.
For the latest rainfall reports and wind gusts associated with
Claudette, see the companion storm summary at WBCSCCNS3 with the
WMO header ACUS43 KWBC or at the following link:
STORM SURGE: The combination of storm surge and the tide will
cause normally dry areas near the coast to be flooded by rising
waters moving inland from the shoreline. The water could reach the
following heights above ground somewhere in the indicated areas if
the peak surge occurs at the time of high tide...
Cape Lookout, NC to NC/VA Border...1-3 ft
Surge-related flooding depends on the relative timing of the surge
and the tidal cycle, and can vary greatly over short distances. For
information specific to your area, please see products issued by
your local National Weather Service forecast office.
WIND: Tropical storm conditions are possible in the watch area
Sunday night and Monday.
TORNADOES: A few tornadoes are possible overnight across southeast
Alabama, the Florida Panhandle and southern Georgia, and across
parts of Georgia and the Carolinas later today.
Next complete advisory at 400 AM CDT.