BULLETIN
Post-Tropical Cyclone Beta Advisory Number  28
NWS Weather Prediction Center College Park MD   AL222020
1000 AM CDT Thu Sep 24 2020

...BETA ADVANCING EAST-NORTHEAST THROUGH MISSISSIPPI, WITH
HEAVY RAINFALL SPREADING ACROSS THE TENNESSEE VALLEY...


SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...32.9N 89.9W
ABOUT 45 MI...70 KM NNE OF JACKSON MISSISSIPPI
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...ENE OR 66 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


WATCHES AND WARNINGS
--------------------
Flash Flood Watches are currently in effect from central Mississippi
through northern Alabama, and southern Middle Tennessee.


DISCUSSION AND OUTLOOK
----------------------
At 1000 AM CDT (1500 UTC), the center of Post-Tropical Cyclone Beta
was located near latitude 32.9 North, longitude 89.9 West. The
post-tropical cyclone is moving toward the east-northeast near 17
mph (28 km/h) and this motion is expected to continue through
tonight.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Weakening is forecast during the next 36 hours, and Beta is
expected to dissipate by Friday night.

The estimated minimum central pressure is 1003 mb (29.62 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Rainfall totals of 2 to 4 inches are expected through
early Friday from northeast Mississippi, across the Middle Tennessee
Valley and into the southern Appalachians.  Isolated flash
and urban flooding is possible, as well as isolated minor river
flooding on smaller rivers.

Across the remainder of the Carolinas rainfall of 1 to 3 inches
will be possible on Friday, potentially causing isolated flash,
urban, and small stream flooding.

TORNADOES:  An isolated tornado or two are possible this
afternoon across Southern Alabama.


NEXT ADVISORY
-------------
Next complete advisory at 400 PM CDT.


Forecaster Orrison

FORECAST POSITIONS AND MAX WINDS

INIT  24/1500Z 32.9N  89.9W   25 KT  30 MPH...POST-TROPICAL
 12H  25/0000Z 33.8N  87.5W   20 KT  25 MPH...POST-TROP/EXTRATROP
 24H  25/1200Z 35.0N  86.5W   15 KT  15 MPH...POST-TROP/EXTRATROP
 36H  26/0000Z...DISSIPATED