000 ABPZ20 KNHC 121757 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 AM PDT TUE AUG 12 2008 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM HERNAN...LOCATED ABOUT 1565 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. SHOWERS AND THUNDERSTORMS HAVE INCREASED NEAR THE AREA OF LOW PRESSURE LOCATED ABOUT 150 MILES WEST-SOUTHWEST OF ACAPULCO MEXICO. ENVIRONMENTAL CONDITIONS APPEAR TO BE MARGINALLY FAVORABLE AND DEVELOPMENT OF THIS SYSTEM...IF ANY...IS EXPECTED TO BE SLOW. REGARDLESS OF DEVELOPMENT...HEAVY RAINS COULD SPREAD ALONG PORTIONS OF THE SOUTHWEST COAST OF MEXICO DURING THE NEXT DAY OR TWO AS THE SYSTEM MOVES WEST-NORTHWESTWARD AT 10 TO 15 MPH. THUNDERSTORM ACTIVITY ASSOCIATED WITH AN AREA OF LOW PRESSURE LOCATED ABOUT 700 MILES SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA MEXICO HAS NOT BECOME ANY BETTER ORGANIZED THIS MORNING. UPPER LEVEL WINDS REMAIN MARGINALLY FAVORABLE AND THIS SYSTEM COULD STILL BECOME A TROPICAL DEPRESSION DURING THE NEXT DAY OR SO AS IT MOVES SLOWLY WESTWARD. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BERG/BROWN