[Tropical] Public Tropical Cyclone Advisory

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BULLETIN
Post-Tropical Cyclone Beta Advisory Number  25
NWS Weather Prediction Center College Park MD   AL222020
400 PM CDT Wed Sep 23 2020

...BETA CONTINUES ON A SLOW NORTHEASTWARD TRACK BRINGING HEAVY
RAINFALL FROM THE LOWER MISSISSIPPI VALLEY TO THE TENNESSEE
VALLEY...


SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...30.5N 93.4W
ABOUT 75 MI...125 KM SW OF ALEXANDRIA LOUISIANA
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
--------------------
Flash Flood Watches are currently in effect from Louisiana into
Central Mississippi, and for parts of Northern Alabama, and Middle
Tennessee.

A Tornado Watch is in effect for portions of Southern and Eastern
Louisiana and Southern Mississippi.


DISCUSSION AND OUTLOOK
----------------------
At 400 PM CDT (2100 UTC), the center of Post-Tropical Cyclone Beta
was located near latitude 30.5 North, longitude 93.4 West. The
post-tropical cyclone is moving toward the northeast near 13 mph and
this motion is expected to continue tonight.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Little change in strength is forecast during the next 48 hours.

The estimated minimum central pressure is 1006 mb (29.71 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Rainfall totals of 3 to 5 inches are expected today into
early Thursday across portions of Louisiana and central Mississippi,
with isolated totals of 7 inches possible. Flash and urban flooding
is likely, as well as isolated minor river flooding on smaller
rivers.

Rainfall totals of 2 to 5 inches are expected across portions of the
Tennessee Valley and the southern Appalachians through the end of
the week. Flash and urban flooding is possible.

TORNADOES:  A couple of tornadoes are possible across Southern and
Eastern Louisiana and Southern Mississippi this evening. Isolated
damaging wind gusts to 70 mph are possible with any severe
thunderstorms.


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

$$
Forecaster Wpc Forecaster

FORECAST POSITIONS AND MAX WINDS

INIT  23/2100Z 30.5N  93.4W   25 KT  30 MPH...POST-TROPICAL
 12H  24/0600Z 31.4N  91.8W   25 KT  30 MPH...POST-TROP/EXTRATROP
 24H  24/1800Z 32.7N  90.0W   20 KT  25 MPH...POST-TROP/EXTRATROP
 36H  25/0600Z 34.5N  87.7W   20 KT  25 MPH...POST-TROP/EXTRATROP
 48H  25/1800Z 36.2N  85.4W   20 KT  25 MPH...POST-TROP/EXTRATROP
 60H  26/0600Z...DISSIPATED
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