WTPH20 RPMM 270600 TTT GALE WARNING 6 AT 0600 27 APRIL TROPICAL STORM {MUIFA} (1701) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE FIVE POINT SEVEN NORTH ONE THREE FOUR POINT SIX EAST FORECAST TO MOVE NORTH NORTHEAST AT ZERO FOUR METERS PER SECOND ROUGH TO VERY ROUGH SEAS WITHIN ONE FIVE ZERO KILOMETER RADIUS ESTIMATED CENTRAL PRESSURE NINE NINE EIGHT HECTOPASCALS MAXIMUM WINDS ONE EIGHT METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN ONE FIVE ZERO KILOMETER RADIUS FORECAST POSITIONS AT 280600 ONE EIGHT POINT EIGHT NORTH ONE THREE SIX POINT SEVEN EAST AND AT 290600 TWO THREE POINT TWO NORTH ONE FOUR THREE POINT SEVEN EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA =