WTPH20 RPMM 301800 TTT GALE WARNING 5 AT 1800 30 JULY TROPICAL STORM {HAITANG}(1710) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT TWO FOUR POINT SIX NORTH ONE TWO ZERO POIONT ONE EAST FORECAST TO MOVE NORTH NORTHWEST AT ZERO SIX METER PER SECOND ROUGH TO VERY ROUGH SEAS WITHIN TWO ZERO ZERO KILOMETER RADIUS SOUTHWEST SEMICIRCLE ONE FIVE ZERO KILOMETER RADIUS ELSEWHERE ESTIMATED CENTRAL PRESSURE NINE NINE EIGHT HECTOPASCALS MAXIMUM WINDS ONE EIGHT METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN TWO ZERO ZERO KILOMETER RADIUS SOUTHWEST SEMICIRCLE ONE FIVE ZERO KILOMETER RADIUS ELSEWHERE FORECAST POSITIONS AT 311800 THREE ZERO POINT ZERO NORTH ONE ONE SIX POINT THREE EAST AND AT 010600 AUGUST THREE THREE POINT ZERO NORTH ONE ONE FIVE POINT ZERO EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=