BULLETIN
Post-Tropical Cyclone Beta Advisory Number  27
NWS Weather Prediction Center College Park MD   AL222020
400 AM CDT Thu Sep 24 2020

...BETA CONTINUES A STEADY NORTHEAST TRACK INTO MISSISSIPPI,
BRINGING HEAVY RAINFALL ACROSS MISSISSIPPI INTO THE TENNESSEE
VALLEY...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...31.9N 91.0W
ABOUT 55 MI...85 KM WSW OF JACKSON MISSISSIPPI
ABOUT 70 MI...110 KM ESE OF MONROE LOUISIANA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


WATCHES AND WARNINGS
--------------------
Flash Flood Watches are currently in effect from Southwest
Mississippi to parts of northern Alabama, and southern Middle
Tennessee.


DISCUSSION AND OUTLOOK
----------------------
At 400 AM CDT (0900 UTC), the center of Post-Tropical Cyclone Beta
was located near latitude 31.9 North, longitude 91.0 West. The
post-tropical cyclone is moving toward the northeast near 12 mph (19
km/h) and this motion is expected to continue through 36 hours.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some weakening is forecast for the next 36 hour before weakening
into the front.

The estimated minimum central pressure is 1004 mb (29.65 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Rainfall totals of 2 to 4 inches are expected through
early Friday from central to northern 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.

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


NEXT ADVISORY
-------------
Next complete advisory at 1000 AM CDT.


Forecaster Gallina

FORECAST POSITIONS AND MAX WINDS

INIT  24/0900Z 31.9N  91.0W   25 KT  30 MPH...POST-TROPICAL
 12H  24/1800Z 32.9N  89.4W   25 KT  30 MPH...POST-TROP/EXTRATROP
 24H  25/0600Z 34.2N  87.2W   20 KT  25 MPH...POST-TROP/EXTRATROP
 36H  25/1800Z 35.7N  85.4W   15 KT  15 MPH...POST-TROP/EXTRATROP
 48H  26/0600Z...POST-TROP/EXTRATROP