[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 240833
TCPAT3

BULLETIN
Tropical Storm Hanna Advisory Number   6
NWS National Hurricane Center Miami FL       AL082020
400 AM CDT Fri Jul 24 2020

...HANNA EXPECTED TO STRENGTHEN TODAY AND TONIGHT...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...26.7N 92.4W
ABOUT 315 MI...510 KM ESE OF CORPUS CHRISTI TEXAS
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Mouth of the Rio Grande to San Luis Pass Texas

A Tropical Storm Watch is in effect for...
* San Luis Pass to High Island Texas

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests along the Texas and Louisiana coast should monitor the
progress of this system.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND OUTLOOK
----------------------
At 400 AM CDT (0900 UTC), the center of Tropical Storm Hanna was
located near latitude 26.7 North, longitude 92.4 West.  Hanna is
moving toward the west-northwest near 9 mph (15 km/h) and a
turn toward the west is expected tonight, followed by a generally
westward motion through the weekend.  On the forecast track, the
storm center should make landfall along the Texas coast within the
warning area on Saturday.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Strengthening is expected until the system makes landfall.  Steady
weakening is expected after Hanna moves inland.

Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.

The estimated minimum central pressure is 1002 mb (29.59 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Tropical Storm Hanna can be found in the
Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO
header WTNT43 KNHC.

WIND:  Tropical storm conditions are expected in the warning area
by tonight or Saturday morning.  Tropical storm conditions are
possible within the watch area by tonight or Saturday morning.

RAINFALL: Hanna is expected to produce 4 to 8 inches of rain with
isolated maximum totals of 12 inches through Sunday night in south
Texas.  This rain may result in life-threatening flash flooding,
rapid rises on small streams, and isolated minor to moderate river
flooding in south Texas.  3 to 5 inches of rain is expected along
the upper Texas and Louisiana coasts, and inland to the Mexican
states of Coahuila, Nuevo Leon, and northern Tamaulipas.

SURF:  Swells generated by Hanna are expected to increase and affect
much of the Texas and Louisiana coasts during the next few 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 intermediate advisory at 700 AM CDT.
Next complete advisory at 1000 AM CDT.

$$
Forecaster Pasch
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