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Tropical Storm Norma Intermediate Advisory Number 14A
NWS National Hurricane Center Miami FL       EP172017
600 PM MDT Sun Sep 17 2017

...NORMA CONTINUES MOVING SLOWLY NORTHWESTWARD...


SUMMARY OF 600 PM MDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...21.3N 111.2W
ABOUT 140 MI...220 KM SSW OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Watch is in effect for...
* Los Barriles to Todos Santos

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within 24 hours. This
watch could be discontinued later this evening or tomorrow morning.

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 600 PM MDT (0000 UTC), the center of Tropical Storm Norma was
located near latitude 21.3 North, longitude 111.2 West. Norma is
moving toward the northwest near 6 mph (9 km/h).  The storm is
expected to turn toward the west-northwest by tomorrow and move in
that general direction during the next two days.  On the forecast
track, the center of Norma will move nearly parallel to and offshore
of the Baja California peninsula through Tuesday.

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 1001 mb (29.56 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Norma is expected to produce additional rainfall
accumulations of an inch of less over the southern portion of the
Mexican state of Baja California Sur.

WIND:  Tropical storm conditions are possible within the watch area
tonight or early Monday.

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 900 PM MDT.

$$
Forecaster Blake

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