WTPH20 RPMM 121200 TTT GALE WARNING 06 AT 1200 12 FEBRUARY TROPICAL STORM {SANBA} (1802) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AR ZERO SEVEN POINT FOUR NORTH ONE TWO NINE POINT TWO EAST FORECAST TO MOVE WEST NORTHWEST AT ZERO SEVEN METERS PER SECOND ROUGH TO VERY ROUGH SEAS WITHIN FOUR ZERO ZERO KILOMETER RADIUS NORTH SEMICIRCLE TWO ZERO 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 FOUR ZERO ZERO KILOMETER RADIUS NORTH SEMICIRCLE TWO ZERO ZERO KILOMETER RADIUS ELSEWHERE FORECAST POSITIONS AT 131200 ZERO EIGHT POINT FIVE NORTH ONE TWO THREE POINT SIX EAST AT 141200 ZERO NINE POINT ZERO NORTH ONE ONE EIGHT POINT THREE EAST AT 151200 ONE ZERO POINT TWO NORTH ONE ONE FOUR POINT EIGHT EAST AND AT 161200 ONE ONE POINT THREE NORTH ONE ONE ONE POINT NINE EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SEVICES ADMINISTRATION PD PAGASA=