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BULLETIN
Tropical Storm Norma Advisory Number  15
NWS National Hurricane Center Miami FL       EP172017
900 PM MDT Sun Sep 17 2017

...TROPICAL STORM WATCH DISCONTINUED FOR BAJA CALIFORNIA SUR...


SUMMARY OF 900 PM MDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...21.4N 111.4W
ABOUT 140 MI...225 KM SW OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES


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

The government of Mexico has discontinued the Tropical Storm Watch
for Baja California Sur.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

None.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 900 PM MDT (0300 UTC), the center of Tropical Storm Norma was
located near latitude 21.4 North, longitude 111.4 West.  Norma is
moving toward the west-northwest near 5 mph (7 km/h) and this motion
is expected to continue through Tuesday.  On the forecast track,
Norma should gradually move away from the coast of Baja California
Sur.

Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Some weakening is forecast during the next 48 hours and Norma could
become a tropical depression by Tuesday.

Tropical-storm-force winds extend outward up to 70 miles (110 km)
from the center.

The estimated minimum central pressure is 1000 mb (29.53 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by Norma are affecting portions of the coast
of southwestern Mexico and Baja California Sur and will continue
into late Monday or Tuesday.  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 300 AM MDT.

$$
Forecaster Blake

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