ZCZC MIATCPEP3 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM MANUEL SPECIAL ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132013 1100 AM PDT WED SEP 18 2013 ...MANUEL QUICKLY STRENGTHENS... ...HURRICANE WATCH ISSUED FOR A PORTION OF WEST-CENTRAL MEXICIO... SUMMARY OF 1100 AM PDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...23.6N 107.9W ABOUT 100 MI...160 KM WNW OF MAZATLAN MEXICO ABOUT 135 MI...220 KM ENE OF CABO SAN LUCAS MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.29 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WATCH ALONG THE WEST-CENTRAL COAST OF MEXICO FROM LA CRUZ TO TOPOLOBAMPO. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * LA CRUZ TO TOPOLOBAMPO A TROPICAL STORM WARNING IS IN EFFECT FOR... * MAZATLAN TO TOPOLOBAMPO A TROPICAL STORM WATCH IS IN EFFECT FOR... * CABO SAN LUCAS TO SAN EVARISTO A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA....IN THIS CASE WITHIN THE NEXT DAY OR SO. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 TO 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM PDT...1800 UTC...THE CENTER OF TROPICAL STORM MANUEL WAS LOCATED NEAR LATITUDE 23.6 NORTH...LONGITUDE 107.9 WEST. MANUEL IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 5 MPH...7 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH THURSDAY. ON THE FORECAST TRACK...THE CENTER OF MANUEL WILL APPROACH THE WEST- CENTRAL COAST OF MEXICO WITHIN THE HURRICANE WATCH AREA LATE THURSDAY. SATELLITE DATA INDICATE THAT MANUEL HAS STRENGTHENED. MAXIMUM SUSTAINED WINDS HAVE INCREASED NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS EXPECTED AND MANUEL COULD BE NEAR HURRICANE STRENGTH WHEN IT APPROACHES THE COAST. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM FROM THE CENTER. HAZARDS AFFECTING LAND ---------------------- RAINFALL...MANUEL IS EXPECTED TO PRODUCE 5 TO 10 INCHES OF RAIN OVER THE MEXICAN STATE OF SINALOA...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE. MANUEL IS ALSO FORECAST TO PRODUCE 3 TO 5 INCHES OF RAIN OVER THE MEXICAN STATE OF NAYARIT AND OVER THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA DURING THE NEXT FEW DAYS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ALONG PORTIONS OF THE WEST-CENTRAL COAST OF MEXICO WITHIN THE WARNING AREA DURING THE NEXT DAY OR TWO. HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE HURRICANE WATCH AREA THURSDAY. TROPICAL STORM CONDITIONS ARE ALSO POSSIBLE IN THE SOUTHERN BAJA CALIFORNIA PENINSULA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BROWN NNNN