WTPH20 RPMM 181200 TTT TYPHOON WARNING 11 AT 1200 18 OCTOBER TYPHOON {LAN} (1721) WAS LOCATED BASED ON ALL AVAILABLE DATA AT ONE THREE POINT NINE NORTH ONE THREE ONE POINT TWO EAST FORECAST TO MOVE NORTH NORTHWEST AT ZERO FOUR METERS PER SECOND ROUGH TO VERY HIGH SEAS WITHIN FIVE ZERO ZERO KILOMETER RADIUS SOUTH SEMICIRCLE THREE ZERO ZERO KILOMETER RADIUS ELSEWHERE ESTIMATED CENTRAL PRESSURE NINE SEVEN THREE HECTOPASCALS MAXIMUM WINDS THREE THREE METERS PER SECOND NEAR THE CENTER TWO FIVE METERS PER SECOND WITHIN ONE ZERO ZERO KILOMETER RADIUS ONE THREE METERS PER SECOND WITHIN FIVE ZERO ZERO KILOMETER RADIUS SOUTH SEMICIRCLE THREE ZERO ZERO KILOMETER RADIUS ELSEWHERE FORECAST POSITIONS AT 191200 ONE SIX POINT EIGHT NORTH ONE THREE ZERO POINT ONE EAST AT 201200 ONE NINE POINT SEVEN NORTH ONE THREE ZERO POINT ZERO EAST AT 211200 TWO TWO POINT EIGHT NORTH ONE THREE ZERO POINT SEVEN EAST AT 221200 TWO SEVEN POINT THREE NORTH ONE THREE TWO POINT ZERO EAST AND AT 231200 THREE THREE POINT ZERO NORTH ONE THREE FIVE POINT FIVE EAST ALL SHIPS WITHIN TYPHOON AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHLIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SEVICES ADMINISTRATION PD PAGASA=