WTPH20 RPMM 180600 TTT GALE WARNING 15 AT 0600 18 JANUARY TROPICAL STORM {MEKKHALA} (1501) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE FOUR POINT TWO NORTH ONE TWO TWO POINT EIGHT EAST FORECAST TO MOVE NORTH NORTHWEST AT ZERO FOUR METERS PER SECOND ROUGH TO VERY ROUGH SEAS WITHIN ONE FIVE ZERO KILOMETER RADIUS FROM THE CENTER ESTIMATED CENTRAL PRESSURE NINE NINE SEVEN HECTOPASCALS MAXIMUM WINDS ONE EIGHT METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN ONE FIVE ZERO KILOMETER RADIUS FROM THE CENTER FORECAST POSITIONS AT 190600 ONE SEVEN POINT SEVEN NORTH ONE TWO THREE POINT THREE EAST AT 206000 TWO ZERO POINT THREE NORTH ONE TWO FIVE POINT EIGHT EAST AND AT 2106000 TWO ONE POINT SEVEN NORTH ONE TWO SEVEN 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=