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BULLETIN
Post-Tropical Cyclone Beta Advisory Number 24
NWS Weather Prediction Center College Park MD AL222020
1000 AM CDT Wed Sep 23 2020
...BETA CONTINUES ON A SLOW NORTHEASTWARD TRACK BRINGING HEAVY
RAINFALL ACROSS THE LOWER MISSISSIPPI RIVER VALLEY...
SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...30.2N 94.2W
ABOUT 60 MI...95 KM W OF LAKE CHARLES LOUISIANA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
WATCHES AND WARNINGS
--------------------
There are Flash Flood Watches currently in effect across extreme
southeast Texas... southern Louisiana...and portions of western
Mississippi.
DISCUSSION AND OUTLOOK
----------------------
At 1000 AM CDT (1500 UTC), the center of Post-Tropical Cyclone Beta
was located near latitude 30.2 North, longitude 94.2 West. The
post-tropical cyclone is moving toward the east-northeast near 9 mph
and this motion is expected to continue through the day.
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Continued slow weakening is forecast over the next few days.
The estimated minimum central pressure is 1007 mb (29.74 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.
NEXT ADVISORY
-------------
Next complete advisory at 400 PM CDT.
$$
Forecaster Wpc Forecaster
FORECAST POSITIONS AND MAX WINDS
INIT 23/1500Z 30.2N 94.2W 25 KT 30 MPH...POST-TROPICAL
12H 24/0000Z 30.9N 92.9W 25 KT 30 MPH...POST-TROP/EXTRATROP
24H 24/1200Z 32.1N 91.1W 25 KT 30 MPH...POST-TROP/EXTRATROP
36H 25/0000Z 33.7N 88.7W 20 KT 25 MPH...POST-TROP/EXTRATROP
48H 25/1200Z 35.7N 86.4W 20 KT 25 MPH...POST-TROP/EXTRATROP
60H 26/0000Z...DISSIPATED
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