WTPH20 RPMM 231800 TTT TYPHOON WARNING 03 AT 1800 23 JULY TYPHOON {HALOLA} (1512) WAS LOCATED BASED ON ALL AVAILABLE DATA AT TWO FOUR POINT SIX NORTH ONE THREE THREE POINT FOUR EAST FORECAST TO MOVE WEST AT ZERO FOUR METERS PER SECOND ROUGH TO PHENOMENAL SEAS WITHIN THREE ZERO ZERO KILOMETER RADIUS FROM THE CENTER ESTIMATED CENTRAL PRESSURE NINE SIX FIVE HECTOPASCALS MAXIMUM WINDS FOUR ZERO 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 FORECAST POSITIONS AT 241800 TWO FIVE POINT TWO NORTH ONE TWO NINE POINT SEVEN EAST AT 251800 TWO NINE POINT ZERO NORTH ONE TWO SEVEN POINT THREE EAST AND AT 261800 THREE FOUR POINT SIX NORTH ONE TWO EIGHT 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=