WTPH20 RPMM 271200 TTT TYPHOON WARNING 15 AT 1200 27 AUGUST TYPHOON (LIONROCK) (160) WAS LOCATED BASED ON ALL AVAILABLE DATA AT TWO FOUR POINT FIVE NORTH ONE THREE POINT FOUR SEVEN EAST FORECAST TO MOVE EAST NORTHEAST AT ZERO FIVE METERS PER SECOND ROUGH TO PHENOMENAL SEAS WITHIN THREE ZERO ZERO KILOMETER RADIUS FROM THE CENTER SOUTHWEST SEMICIRCLE ONE FIVE ZERO KILOMETER RADIUS ELSEWHERE ESTIMATED CENTRAL PRESSURE NINE FIVE EIGHT HECTOPASCALS MAXIMUM WINDS FOUR FOUR METERS PER SECOND NEAR THE CENTER THREE THREE METERS PER SECOND WITHIN ONE ZERO ZERO KILOMETER RADIUS FROM THE CENTER ONE THREE METERS PER SECOND WITHIN THREE ZERO ZERO KILOMETER RADIUS FROM THE CENTER SOUTHWEST SEMICIRCLE ONE FIVE ZERO KILOMETER RADIUS ELSEWHERE FORECAST POSITIONS AT 281200 TWO SEVEN POINT ONE NORTH ONE THREE EIGHT POINT FIVE EAST AT 291200 THREE ONE POINT SIX NORTH ONE FOUR TWO POINT FOUR EAST AND AT 301200 THREE EIGHT POINT ZERO NORTH ONE FOUR THREE POINT ZERO EAST ALL SHIPS WITHIN TYPHOON AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=