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Hurricane KATIA (Text)


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Hurricane Katia Advisory Number  11
NWS National Hurricane Center Miami FL       AL132017
400 AM CDT Fri Sep 08 2017

...KATIA A LITTLE STRONGER...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...21.3N 95.4W
ABOUT 170 MI...275 KM ESE OF TAMPICO MEXICO
ABOUT 155 MI...250 KM NNE OF VERACRUZ MEXICO
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...WSW OR 250 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Warning is in effect for...
* Cabo Rojo to Laguna Verde

A Tropical Storm Warning is in effect for...
* North of Cabo Rojo to Rio Panuco
* South of Laguna Verde to Puerto Veracruz

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area.  A warning is typically issued
36 hours before the anticipated first occurrence of tropical-
storm-force winds, conditions that make outside preparations
difficult or dangerous.  Preparations to protect life and property
should be rushed to completion.

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

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 400 AM CDT (0900 UTC), the center of Hurricane Katia was located
near latitude 21.3 North, longitude 95.4 West. Katia is moving
toward the west-southwest near 3 mph (6 km/h) and this general
motion is expected to continue until the system makes landfall
within the hurricane warning area by early Saturday.

Maximum sustained winds have increased to near 90 mph (150 km/h)
with higher gusts.  Some additional strengthening is forecast during
the next day or so and Katia could be near major hurricane strength
at landfall.

Hurricane-force winds extend outward up to 10 miles (20 km) from the
center and tropical-storm-force winds extend outward up to 60 miles
(95 km).

The estimated minimum central pressure is 977 mb (28.85 inches).


HAZARDS AFFECTING LAND
----------------------
STORM SURGE:  A dangerous storm surge will raise water levels by
as much as 5 to 7 feet above normal tide levels near and to the
north of where Katia makes landfall.  Near the coast, the surge will
be accompanied by large and destructive waves.

RAINFALL:  Katia is expected to produce total rain accumulations of
10 to 15 inches over northern Veracruz, eastern Hidalgo, and
Puebla.  Katia is also expected to produce total rain accumulations
of 2 to 5 inches over southern Tamaulipas, eastern San Luis Potosi,
western Hidalgo, eastern Queretaro, and southern Veracruz through
Saturday evening.  Isolated maximum amounts of 25 inches are
possible in northern Veracruz, eastern Hidalgo, Puebla, and San
Luis Potosi. This rainfall may cause life-threatening flash floods
and mudslides, especially in areas of mountainous terrain.

WIND:  Hurricane conditions are expected within portions of the
hurricane warning area by tonight or early Saturday, with tropical
storm conditions expected within the tropical storm warning areas by
later today.

SURF:  Swells generated by Katia will continue to affect portions of
the coast of southeastern Mexico 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 intermediate advisory at 700 AM CDT.
Next complete advisory at 1000 AM CDT.

$$
Forecaster Roberts

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Page last modified: Thursday, 19-Oct-2017 12:09:33 UTC