WTPH20 RPMM 131200 CCB TTT STORM WARNING 01 AT 1200 13 SEPTEMBER SEVERE TROPICAL STORM (MALAKAS) (1616) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE FOUR POINT EIGHT NORTH ONE THREE FIVE POINT SEVEN EAST FORECAST TO MOVE WEST NORTHWEST AT ZERO SIX METERS PER SECOND ROUGH TO VERY HIGH SEAS WITHIN TWO ZERO ZERO KILOMETER RADIUS ESTIMATED CENTRAL PRESSURE NINE EIGHT TWO HECTOPASCALS MAXIMUM WINDS TWO NINE METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN TWO ZERO ZERO KILOMETER RADIUS FORECAST POSITIONS AT 141200 ONE SIX POINT SEVEN NORTH ONE THREE ONE POINT THREE EAST AT 151200 ONE NINE POINT FIVE NORTH ONE TWO SEVEN POINT FOUR EAST AT 161200 TWO FOUR POINT THREE NORTH ONE TWO FOUR POINT TWO EAST AT 171200 TWO EIGHT POINT EIGHT NORTH ONE TWO SEVEN POINT EIGHT EAST AND AT 181200 THREE ONE POINT ONE NORTH ONE THREE THREE POINT FIVE EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=