WTPZ31 KNHC 092054 RRA

TCPEP1



BULLETIN

TROPICAL STORM SERGIO ADVISORY NUMBER  42

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP212018

200 PM PDT TUE OCT 09 2018



...SERGIO WEAKENS TO A TROPICAL STORM...





SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION

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LOCATION...16.9N 126.5W

ABOUT 1155 MI...1855 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA

MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H

PRESENT MOVEMENT...ENE OR 60 DEGREES AT 9 MPH...15 KM/H

MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES





WATCHES AND WARNINGS

--------------------

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



INTERESTS IN BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF

SERGIO.





DISCUSSION AND OUTLOOK

----------------------

AT 200 PM PDT (2100 UTC), THE CENTER OF TROPICAL STORM SERGIO WAS

LOCATED NEAR LATITUDE 16.9 NORTH, LONGITUDE 126.5 WEST. SERGIO IS

MOVING TOWARD THE EAST-NORTHEAST NEAR 9 MPH (15 KM/H).  AN EAST-

NORTHEASTWARD TO NORTHEASTWARD MOTION WITH A FASTER FORWARD SPEED IS

EXPECTED DURING THE NEXT FEW DAYS.  ON THE FORECAST TRACK, THE

CENTER OF SERGIO WILL APPROACH THE PACIFIC COAST OF THE BAJA

CALIFORNIA PENINSULA ON FRIDAY.



MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH (110 KM/H)

WITH HIGHER GUSTS.  GRADUAL WEAKENING IS FORECAST DURING THE NEXT

SEVERAL DAYS.



TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 140 MILES (220 KM)

FROM THE CENTER.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB (29.24 INCHES).





HAZARDS AFFECTING LAND

----------------------

RAINFALL:  HEAVY RAINFALL ASSOCIATED WITH SERGIO AND ITS REMNANTS IS

EXPECTED TO PRODUCE STORM TOTAL ACCUMULATIONS OF 3 TO 5 INCHES WITH