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#1009677 (Received by flhurricane at: 10:45 PM 25.Jul.2020)
TCPAT3

BULLETIN
Hurricane Hanna Advisory Number 13
NWS National Hurricane Center Miami FL AL082020
1000 PM CDT Sat Jul 25 2020

...HANNA CONTINUES TO MOVE INLAND OVER SOUTHERN TEXAS...
...STILL PRODUCING HURRICANE CONDITIONS NEAR THE COAST...


SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...26.6N 98.0W
ABOUT 30 MI...50 KM NNE OF MCALLEN TEXAS
ABOUT 35 MI...60 KM W OF PORT MANSFIELD TEXAS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...WSW OR 250 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES


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

The Storm Surge Warning has been discontinued between Port OConnor
and Sargent.

The Hurricane Warning from Baffin Bay to Mesquite Bay has been
replaced with a Tropical Storm Warning.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Warning is in effect for...
* Port Mansfield to Port O`Connor

A Hurricane Warning is in effect for...
* Port Mansfield to Baffin Bay Texas

A Tropical Storm Warning is in effect for...
* Barra el Mezquital Mexico to Port Mansfield Texas
* Baffin Bay to Port O`Connor Texas

A Storm Surge Warning means there is a danger of life-threatening
inundation, from rising water moving inland from the coastline,
during the next 24 hours in the indicated locations. For a depiction
of areas at risk, please see the National Weather Service Storm
Surge Watch/Warning Graphic, available at hurricanes.gov. This is a
life-threatening situation. Persons located within these areas
should take all necessary actions to protect life and property from
rising water and the potential for other dangerous conditions.
Promptly follow evacuation and other instructions from local
officials.

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area.

A Tropical Storm Warning means that tropical storm conditions are
occurring within the warning areas.

Interests elsewhere along the Texas coast should monitor the
progress of Hanna. Interests in northeastern Mexico should also
monitor the progress of this hurricane.

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 1000 PM CDT (0300 UTC), the eye of Hurricane Hanna was located
near latitude 26.6 North, longitude 98.0 West. Hanna is moving
toward the west-southwest near 9 mph (15 km/h) and this motion is
expected to continue through Sunday. On the forecast track, the
center of Hanna should continue to move farther inland over southern
Texas tonight and move into northeastern Mexico on Sunday.

Maximum sustained winds are near 75 mph (120 km/h) with higher
gusts. Rapid weakening is expected as Hanna moves farther inland.

Hurricane-force winds extend outward up to 30 miles (45 km), mainly
to the east of the center and tropical-storm-force winds extend
outward up to 105 miles (165 km).

The estimated minimum central pressure is 979 mb (28.91 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Hanna can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and
on the web at www.hurricanes.gov/text/MIATCDAT3.shtml.

STORM SURGE: The combination of a dangerous storm surge and the
tide will cause normally dry areas near the coast to be flooded by
rising waters moving inland from the shoreline. The water could
reach the following heights above ground somewhere in the indicated
areas if the peak surge occurs at the time of high tide...

Baffin Bay to Port Aransas including Baffin Bay, Corpus Christi
Bay...4-6 ft

Port Mansfield to Baffin Bay...2-4 ft

Port Aransas to Port O`Connor including Aransas Bay...2-4 ft

Mouth of the Rio Grande to Port Mansfield...1-3 ft

North of Port O`Connor to High Island including Galveston Bay...1-2
ft

The deepest water will occur along the immediate coast near and to
the right of the landfall location. Surge-related flooding depends
on the relative timing of the surge and the tidal cycle, and can
vary greatly over short distances. For information specific to your
area, please see products issued by your local National Weather
Service forecast office.

WIND: Hurricane conditions will continue in portions of the
hurricane warning area for a few more hours. Tropical storm
conditions are occuring in portions of the tropical storm warning
area and will spread farther inland overnight and Sunday.

RAINFALL: Hanna is expected to produce total rain accumulations of
6 to 12 inches, with isolated maximum amounts of 18 inches through
Monday in south Texas and into the Mexican states of Coahuila, Nuevo
Leon, and northern Tamaulipas. This rain will produce
life-threatening flash flooding, rapid rises on small streams, and
isolated minor to moderate river flooding.

Hanna is also expected to produce 2 to 4 inches of rain along the
upper Texas and Louisiana coasts.

SURF: Swells generated by Hanna will continue to affect much
of the Texas and Louisiana coasts for another day or so. These
swells are likely to cause life-threatening surf and rip current
conditions. Please consult products from your local weather
office.

TORNADOES: A few tornadoes are possible overnight over parts of
the lower to middle Texas coastal plain.


NEXT ADVISORY
-------------
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.

$$
Forecaster Cangialosi