000 WTPZ31 KNHC 190242 TCPEP1 BULLETIN TROPICAL DEPRESSION ONE-E ADVISORY NUMBER 3 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP012009 800 PM PDT THU JUN 18 2009 ...TROPICAL DEPRESSION HEADED NORTH-NORTHEASTWARD TOWARD MEXICO... ...A TROPICAL STORM WARNING HAS BEEN ISSUED... AT 8 PM EDT...0000 UTC...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR LAS ISLAS MARIAS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 24 HOURS. AT 8 PM EDT...0000 UTC...THE GOVERNMENT OF MEXICO HAS EXTENDED A TROPICAL STORM WATCH ALONG THE PACIFIC COAST OF MAINLAND MEXICO FROM TOPOLOBAMPO SOUTHWARD TO CABO CORRIENTES. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 800 PM PDT...0300 UTC...THE CENTER OF TROPICAL DEPRESSION ONE-E WAS LOCATED NEAR LATITUDE 18.9 NORTH...LONGITUDE 107.7 WEST OR ABOUT 310 MILES...495 KM...SOUTH-SOUTHWEST OF MAZATLAN MEXICO AND ABOUT 220 MILES...360 KM...WEST OF MANZANILLO MEXICO. THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 8 MPH. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT TWO DAYS. ON THE FORECAST TRACK...THE CENTER OF THE CYCLONE WILL BE APPROACHING LAS ISLAS MARIAS FRIDAY EVENING AND THE MAINLAND COAST OF MEXICO ON SATURDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER GUSTS. SLOW STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS. THE DEPRESSION COULD BECOME A TROPICAL STORM BEFORE REACHING THE MEXICAN COAST. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES. STORM TOTAL RAINFALL OF 4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS IN MOUNTAINOUS TERRAIN...IS POSSIBLE IN PORTIONS OF WESTERN MEXICO IN ASSOCIATION WITH THE DEPRESSION. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. MOISTURE FLOWING NORTHWARD FROM THE DEPRESSION COULD ENHANCE RAINFALL IN NORTHERN MEXICO AND THE SOUTHWESTERN UNITED STATES. ...SUMMARY OF 800 PM PDT INFORMATION... LOCATION...18.9N 107.7W MAXIMUM SUSTAINED WINDS...35 MPH PRESENT MOVEMENT...NORTH-NORTHEAST OR 20 DEGREES AT 8 MPH MINIMUM CENTRAL PRESSURE...1004 MB AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200 AM PDT. $$ FORECASTER LANDSEA/BEVEN