ZCZC MIATCPEP3 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM SONIA ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL EP182013 700 AM PST SUN NOV 03 2013 ...SONIA A LITTLE STRONGER... ...EXPECTED TO TURN NORTH-NORTHEASTWARD VERY SOON... SUMMARY OF 700 AM PST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...19.9N 109.8W ABOUT 205 MI...335 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA ABOUT 370 MI...595 KM SSW OF CULIACAN MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...N OR 5 DEGREES AT 9 MPH...15 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 A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. 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 700 AM PST...1500 UTC...THE CENTER OF TROPICAL STORM SONIA WAS LOCATED NEAR LATITUDE 19.9 NORTH...LONGITUDE 109.8 WEST. SONIA IS MOVING TOWARD THE NORTH NEAR 9 MPH...15 KM/H. A TURN TOWARD THE NORTH-NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED TO BEGIN BY THIS AFTERNOON OR EVENING. ON THE FORECAST TRACK.... THE CENTER OF THE CYCLONE WILL PASS SOUTH OF THE SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA LATER TODAY AND TONIGHT...AND APPROACH THE COAST OF MAINLAND MEXICO WITHIN THE WARNING AREA BY 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 ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE WARNING AREA BY LATE TONIGHT OR EARLY MONDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH AREA 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 ------------- NEXT INTERMEDIATE ADVISORY...1000 AM PST. NEXT COMPLETE ADVISORY...100 PM PST. $$ FORECASTER BROWN NNNN