WTPH20 RPMM 260000 TTT GALE WARNING 1 AT 0000 26 APRIL TROPICAL STORM {MUIFA}(1701)WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE THREE POINT FOUR NORTH ONE THREE FIVE POINT ZERO EAST FORECAST TO MOVE NORTHWEST AT ZERO THREE 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 270000 ONE FIVE POINT ZERO NORTH ONE THREE TWO POINT NINE EAST AT 280000 ONE SEVEN POINT TWO NORTH ONE THREE FIVE POINT TWO EAST AND AT 290000 ONE NINE POINT EIGHT NORTH ONE THREE EIGHT POINT SIX EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=