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BULLETIN
Tropical Depression Beta Advisory Number  20
NWS National Hurricane Center Miami FL       AL222020
1000 AM CDT Tue Sep 22 2020
 
...BETA WEAKENS TO A TROPICAL DEPRESSION OVER TEXAS...
...HEAVY RAINS EXPECTED TO CONTINUE OVER PORTIONS OF THE MIDDLE AND
UPPER TEXAS COAST...
 
 
SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...28.9N 96.7W
ABOUT 15 MI...25 KM ENE OF VICTORIA TEXAS
ABOUT 30 MI...45 KM WNW OF PALACIOS TEXAS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NE OR 45 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The Tropical Storm Warning has been discontinued. 

The Storm Surge Warning has been discontinued. Information on 
ongoing coastal flooding can be found in coastal flood products 
issued by local National Weather Service offices.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1000 AM CDT (1500 UTC), the center of Tropical Storm Beta was 
located by surface observations, satellites, and NOAA Doppler 
weather radars near latitude 28.9 North, longitude 96.7 West. The 
depression is drifting toward the northeast near 2 mph (4 km/h). A 
slow motion toward the east-northeast is expected by this afternoon 
and tonight.  An east-northeastward to northeastward motion with 
increasing forward speed is expected Wednesday through Friday. On 
the forecast track, the center of Beta will move inland over 
southeastern Texas through Wednesday and then over Louisiana and 
Mississippi Wednesday night through Friday.
 
Data from surface observations and NOAA Doppler weather radars 
indicate that maximum sustained winds have decreased to near 35 mph 
(55 km/h) with higher gusts. Little change in strength is expected 
today with gradual weakening anticipated through Friday.
 
The estimated minimum central pressure based on nearby surface 
observations is 1005 mb (29.68 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Beta can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC.
 
RAINFALL:  For the middle and upper Texas coast, additional 
rainfall of 5 to 10 inches with isolated storm totals up to 20 
inches is expected. Significant flash and urban flooding is 
occurring and will continue today. Minor to isolated moderate river 
flooding is likely.

Rainfall totals of 2 to 5 inches are expected east into the Lower 
Mississippi Valley through the end of the week. Flash and urban 
flooding is possible, as well as isolated minor river flooding on 
smaller rivers.
 
TORNADOES:  A tornado or two could occur through Tuesday near the 
middle to upper Texas coast or the southwestern Louisiana coast.
 
SURF:  Swells generated by a combination of Beta and a cold front
over the northern Gulf of Mexico will continue along the coasts of
Louisiana and Texas during the next couple of days.  These swells
are likely to cause life-threatening surf and rip current
conditions. Please consult products from your local weather office.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 400 PM CDT.
 
$$
Forecaster Stewart
 
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