Détail du cyclone : BETA en 2020 (Dissipé)

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BULLETIN
Post-Tropical Cyclone Beta Advisory Number 31
NWS Weather Prediction Center College Park MD AL222020
400 AM CDT Fri Sep 25 2020

…HEAVY RAINFALL THREAT WITH BETA HAS DIMINISHED AS THE CENTER HAS
BECOME LESS DETERMINANT IN THE PRESSURE AND WIND FIELDS…


SUMMARY OF 400 AM CDT…0900 UTC…INFORMATION
———————————————-
LOCATION…34.3N 86.3W
ABOUT 60 MI…100 KM NNE OF BIRMINGHAM ALABAMA
MAXIMUM SUSTAINED WINDS…10 MPH…20 KM/H
PRESENT MOVEMENT…NE OR 50 DEGREES AT 10 MPH…17 KM/H
MINIMUM CENTRAL PRESSURE…1010 MB…29.83 INCHES


WATCHES AND WARNINGS
——————–
There are no watches or warnings in effect.


DISCUSSION AND OUTLOOK
———————-
At 400 AM CDT (0900 UTC), the center of Post-Tropical Cyclone Beta
was located near latitude 34.3 North, longitude 86.3 West. The
post-tropical cyclone is moving toward the northeast near 10 mph (17
km/h) until it becomes indistinguishable within the background wind
and pressure field by mid-afternoon Friday.

Maximum sustained winds are near 10 mph (20 km/h) with higher gusts.

The estimated minimum central pressure is 1010 mb (29.83 inches).


HAZARDS AFFECTING LAND
———————-
Rainfall: Rainfall totals of 1 to 3 inches are expected through
Friday from the Southern Appalachians into the Piedmont of South and
North Carolina. Isolated flash, urban, and small stream flooding
is possible.


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

$$
Forecaster Gallina

FORECAST POSITIONS AND MAX WINDS

INIT 25/0900Z 34.3N 86.3W 10 KT 10 MPH…POST-TROPICAL
12H 25/1800Z 35.2N 85.1W 10 KT 10 MPH…POST-TROP/EXTRATROP
24H 26/0600Z…DISSIPATED

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