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Post-Tropical Cyclone Delta Public Advisory (Text)



000
WTNT31 KWNH 120245
TCPAT1

BULLETIN
Post-Tropical Cyclone Delta Advisory Number  30
NWS Weather Prediction Center College Park MD   AL262020
1100 PM EDT Sun Oct 11 2020

...POST-TROPICAL REMNANTS OF DELTA CONTINUE WEAKEN, AS THE HEAVY
RAINFALL THREAT DIMINISHES LATE SUNDAY NIGHT...


SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...34.5N 84.1W
ABOUT 90 MI...145 KM S OF KNOXVILLE TENNESSEE
ABOUT 60 MI...95 KM NNE OF ATLANTA GEORGIA
MAXIMUM SUSTAINED WINDS...15 MPH...30 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches in and near the southern Appalachians 
will expire by midnight EDT Sunday night.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Delta
was located near latitude 34.5 North, longitude 84.1 West. The
post-tropical cyclone is moving toward the east near 15 mph, and 
this motion is expected to continue tonight and Monday morning. 

Maximum sustained winds are near 15 mph (30 km/h) with higher gusts.
Some further 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 1008 mb (29.77 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Across 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


NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system.

$$
Forecaster Hurley

FORECAST POSITIONS AND MAX WINDS

INIT  12/0300Z 34.5N  84.1W   15 KT  15 MPH...POST-TROPICAL
 12H  12/1200Z 34.6N  81.8W   15 KT  15 MPH...DISSIPATED


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Page last modified: Monday, 12-Oct-2020 02:46:11 UTC