000 ABPZ20 KNHC 291124 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT SAT MAY 29 2010 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. LATEST MICROWAVE SATELLITE IMAGERY INDICATES THE LARGE LOW PRESSURE AREA CENTERED ABOUT 200 MILES WEST-SOUTHWEST OF PUERTO DE SAN JOSE GUATEMALA IS ORGANIZING INTO A TROPICAL DEPRESSION AS IT MOVES EAST-NORTHEASTWARD AT ABOUT 5 MPH. THERE IS A HIGH CHANCE...NEAR 100 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE...AND FORECAST ADVISORIES WILL LIKELY BE INITIATED LATER THIS MORNING. HEAVY SQUALLS CONTINUE TO MOVE ONSHORE THE COASTAL AREAS OF EXTREME SOUTHEASTERN MEXICO AND MUCH OF GUATEMALA...AND THE AREA OF HEAVY RAINS EXTENDS AS FAR EAST AS EL SALVADOR. THESE RAINS ARE EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS CAUSING LIFE-THREATENING FLASH FLOODS AND MUD SLIDES IN THESE AREAS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART/KIMBERLAIN