000 WTPZ33 KNHC 032031 TCPEP3 BULLETIN TROPICAL STORM SONIA ADVISORY NUMBER 11 NWS NATIONAL HURRICANE CENTER MIAMI FL EP182013 100 PM PST SUN NOV 03 2013 ...SONIA HEADING TOWARD MAINLAND MEXICO... SUMMARY OF 100 PM PST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...21.4N 109.1W ABOUT 115 MI...185 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA ABOUT 255 MI...410 KM SSW OF CULIACAN MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNE OR 15 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- 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 100 PM PST...2100 UTC...THE CENTER OF TROPICAL STORM SONIA WAS LOCATED NEAR LATITUDE 21.4 NORTH...LONGITUDE 109.1 WEST. SONIA IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 14 MPH...22 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY. ON THE FORECAST TRACK....THE CENTER OF SONIA WILL CONTINUE TO PASS SOUTH OF THE BAJA CALIFORNIA PENINSULA THROUGH THIS EVENING... 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. SOME SLIGHT WEAKENING IS POSSIBLE BEFORE SONIA REACHES THE COAST OF MAINLAND MEXICO...AND RAPID WEAKENING IS EXPECTED AFTER LANDFALL. SONIA IS FORECAST TO DISSIPATE OVER MEXICO ON MONDAY AFTERNOON. 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 ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE WARNING AREA TONIGHT AND EARLY MONDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH AREA TONIGHT AND EARLY MONDAY. RAINFALL...SONIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES...IN PORTIONS OF THE MEXICAN STATES OF SINALOA...WESTERN DURANGO...AND SOUTHERN CHIHUAHUA. THESE RAINS MAY PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...400 PM PST. NEXT COMPLETE ADVISORY...700 PM PST. $$ FORECASTER BROWN