000 WTPZ35 KNHC 051136 TCPEP5 BULLETIN TROPICAL STORM ERICK INTERMEDIATE ADVISORY NUMBER 4A NWS NATIONAL HURRICANE CENTER MIAMI FL EP052013 500 AM PDT FRI JUL 05 2013 ...ERICK INTENSIFYING SOUTH OF ZIHUATANEJO... SUMMARY OF 500 AM PDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...15.5N 101.6W ABOUT 145 MI...235 KM S OF ZIHUATANEJO MEXICO ABOUT 170 MI...275 KM SSE OF LAZARO CARDENAS MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * LAZARO CARDENAS TO MANZANILLO A TROPICAL STORM WATCH IS IN EFFECT FOR... * ACAPULCO TO EAST OF LAZARO CARDENAS * WEST OF MANZANILLO TO LA FORTUNA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM PDT...1200 UTC...THE CENTER OF TROPICAL STORM ERICK WAS LOCATED NEAR LATITUDE 15.5 NORTH...LONGITUDE 101.6 WEST. ERICK IS MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH...20 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF ERICK SHOULD MOVE PARALLEL TO...BUT REMAIN OFFSHORE OF...THE COAST OF SOUTHWESTERN MEXICO. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...85 KM/H... WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND ERICK COULD BE NEAR HURRICANE STRENGTH ON SATURDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB...29.56 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ERICK IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES OVER SOUTHWESTERN OAXACA...SOUTHERN GUERRERO... SOUTHERN MICHOACA...COLIMA...AND SOUTHERN JALISCO MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 8 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA FROM ACAPULCO TO LAZARO CARDENAS TODAY. TROPICAL STORM CONDITIONS ARE LIKELY TO SPREAD WESTWARD INTO THE WARNING AREA TONIGHT AND SATURDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE WEST OF MANZANILLO BY LATE SATURDAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 AM PDT. $$ FORECASTER BLAKE/STEWART