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BULLETIN
Tropical Storm Norma Advisory Number   3
NWS National Hurricane Center Miami FL       EP172017
900 PM MDT Thu Sep 14 2017

...NORMA EXPECTED TO STRENGTHEN WHILE IT MOVES SLOWLY
NORTHWARD TOWARD BAJA CALIFORNIA SUR...


SUMMARY OF 900 PM MDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...18.3N 109.3W
ABOUT 115 MI...190 KM ESE OF SOCORRO ISLAND
ABOUT 320 MI...515 KM S OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


WATCHES AND WARNINGS
--------------------
Interests in Baja California Sur should monitor the progress of
Norma.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 900 PM MDT (0300 UTC), the center of Tropical Storm Norma was
located near latitude 18.3 North, longitude 109.3 West. Norma is
moving toward the north near 6 mph (9 km/h), and this general motion
at a slightly slower forward speed is expected through Friday
night.  A turn toward the north-northwest is forecast on Saturday.

Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
strengthening is forecast during the next 48 hours, and Norma could
become a hurricane by Friday night or Saturday.

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

The estimated minimum central pressure is 1003 mb (29.62 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by Norma will begin affecting portions
of the coast of southwestern Mexico and Baja California Sur this
weekend.  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 Brown

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