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BULLETIN
Tropical Depression Norma Advisory Number  20
NWS National Hurricane Center Miami FL       EP172017
300 AM MDT Tue Sep 19 2017

...NORMA WEAKENS TO A DEPRESSION...


SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...21.6N 113.9W
ABOUT 270 MI...435 KM WSW OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 300 AM MDT (0900 UTC), the center of Tropical Depression Norma
was located near latitude 21.6 North, longitude 113.9 West. The
depression is moving toward the west near 6 mph (9 km/h), and this
general motion is expected to continue today with a gradual turn to
the northwest thereafter.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Further weakening is forecast, and Norma is expected to degenerate
into a remnant low on Wednesday.

The estimated minimum central pressure is 1007 mb (29.74 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
today.  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 AM MDT.

$$
Forecaster Roberts

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