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BULLETIN
Tropical Depression Norma Advisory Number  23
NWS National Hurricane Center Miami FL       EP172023
300 AM MDT Mon Oct 23 2023
 
...NORMA WEAKENS TO A TROPICAL DEPRESSION...
...STILL A THREAT OF LOCALIZED HEAVY RAINFALL AND FLOODING...
 
 
SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
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LOCATION...24.5N 108.4W
ABOUT 60 MI...95 KM WSW OF CULIACAN MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The government of Mexico has discontinued the Tropical Storm
Warning along the coast of mainland Mexico.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 300 AM MDT (0900 UTC), the center of Tropical Depression Norma 
was located near latitude 24.5 North, longitude 108.4 West. The 
depression is moving toward the east near 7 mph (11 km/h) and this 
motion is expected to continue until dissipation occurs later today 
or tonight.  On the forecast track, the center of Norma is forecast 
to move inland along the coast of the Mexican state of Sinaloa later 
this morning. 
 
Maximum sustained winds have decreased to near 35 mph (55 km/h) 
with higher gusts. Little change in strength is expected before 
Norma reaches the coast of Mexico.  Weakening and dissipation is 
anticipated once Norma moves inland.
 
The estimated minimum central pressure is 998 mb (29.47 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Norma can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC
and on the web at hurricanes.gov/text/MIATCDEP2.shtml
 
RAINFALL:  Rainfall from Norma will diminish across northern 
portions of Sinaloa, northern Durango and southern Chihuahua later 
today. Additional isolated totals of 1 to 2 inches are possible, 
along with isolated flash flooding and mudslides in areas of higher 
terrain.

WIND: Gusty winds are possible along the coast of mainland Mexico 
within the state of Sinaloa this morning. 
 
SURF:  Swells generated by Norma will continue to affect the coast 
of southwestern and west-central Mexico and Baja California Sur for 
the next day or so. These swells are likely to cause life- 
threatening surf and rip current conditions. Please consult products 
from your local weather office.
 
 
NEXT ADVISORY
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Next complete advisory at 900 AM MDT.
 
$$
Forecaster Brown
 
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