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BULLETIN
Post-Tropical Cyclone Delta Advisory Number  29
NWS Weather Prediction Center College Park MD   AL262020
400 PM CDT Sun Oct 11 2020
 
...DELTA CONTINUES TO BE A HEAVY RAINFALL THREAT INTO THIS 
EVENING...
 
 
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...35.4N 85.5W
ABOUT 90 MI...145 KM WSW OF KNOXVILLE TENNESSEE
ABOUT 295 MI...475 KM WSW OF BECKLEY WEST VIRGINIA
MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
 
 
WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches remain in effect in and near the 
southern Appalachians.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 400 PM CDT (2100 UTC), the center of Post-Tropical Cyclone Delta
was located near latitude 35.4 North, longitude 85.5 West. The
post-tropical cyclone is moving toward the east-northeast near 14
mph (22 km/h) and this motion is expected to continue tonight and 
Monday morning.
 
Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.
Some weakening is possible tonight as a new surface low develops in 
the Carolinas, and Delta's surface low is expected to be absorbed 
by this new low pressure area on Monday
 
The estimated minimum central pressure is 1007 mb (29.74 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
RAINFALL: In the Appalachian region of the western Carolinas and
western Virginia, the remnants of Delta are expected to produce
storm total rainfall of 3 to 6 inches.  These rainfall amounts have
already led to flash, urban, and small stream flooding along with
isolated minor to moderate river flooding for parts of the region,
and the flood threat, especially in areas of steep terrain, will
continue into this evening.
 
Across much of the rest of the Mid-Atlantic, 1 to 3 inches of rain,
with locally higher amounts, are expected. Localized flash and
urban flooding are possible, but overall hydrologic impacts
are expected to be minimal.
 
Moderate to major river flooring will continue across the
Calcasieu and Mermentau river basins in Louisiana through much
of next week.
 
TORNADOES:  A few brief/weak tornadoes are possible across the
Carolinas today.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1000 PM CDT.
 
$$
Forecaster Roth
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  11/2100Z 35.4N  85.5W   20 KT  25 MPH...POST-TROP/EXTRATROP
 12H  12/0600Z 36.5N  83.2W   20 KT  25 MPH...POST-TROP/EXTRATROP
 24H  12/1800Z...DISSIPATED
 
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