Tropical Storm SONIA

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BULLETIN
TROPICAL STORM SONIA INTERMEDIATE ADVISORY NUMBER  10A
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP182013
1000 AM PST SUN NOV 03 2013
 
...SONIA MOVING FASTER AND TURNS NORTH-NORTHEASTWARD...

 
SUMMARY OF 1000 AM PST...1800 UTC...INFORMATION
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LOCATION...20.7N 109.5W
ABOUT 155 MI...250 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
ABOUT 310 MI...500 KM SSW OF CULIACAN MEXICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MAZATLAN TO ALTATA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF ALTATA TO TOPOLOBAMPO
 
INTERESTS IN BAJA CALIFORNIA SUR AND ELSEWHERE IN WEST-CENTRAL
MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 

DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1000 AM PST...1800 UTC...THE CENTER OF TROPICAL STORM SONIA WAS
LOCATED NEAR LATITUDE 20.7 NORTH...LONGITUDE 109.5 WEST. SONIA IS
MOVING TOWARD THE NORTH-NORTHEAST NEAR 13 MPH...20 KM/H.  A
NORTH-NORTHEAST MOTION WITH SOME INCREASE IN FORWARD SPEED IS
EXPECTED TONIGHT AND MONDAY.  ON THE FORECAST TRACK....THE CENTER
OF SONIA WILL PASS SOUTH OF THE SOUTHERN TIP OF THE BAJA CALIFORNIA
PENINSULA LATER TODAY...AND APPROACH THE COAST OF MAINLAND MEXICO
WITHIN THE WARNING AREA LATE TONIGHT OR EARLY MONDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS EXPECTED BEFORE SONIA REACHES
THE COAST OF MAINLAND MEXICO.  RAPID WEAKENING WILL BEGIN AFTER
SONIA MAKES LANDFALL.
 
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
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WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE WARNING AREA BY
LATE TONIGHT. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH
AREA BY LATE TONIGHT OR EARLY MONDAY.
 
RAINFALL...SONIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
3 TO 6 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES...ALONG
THE WEST COAST OF MEXICO ACROSS PORTIONS OF SINALOA AND WESTERN
DURANGO. THESE RAINS MAY PRODUCE LIFE THREATENING FLASH FLOODS AND
MUDSLIDES.
 
 
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...100 PM PST.
 
$$
FORECASTER BROWN
 
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