WTPH20 RPMM 121800 TTT STORM WARNING 06 AT 1800 12 DECEMBER SEVERE TROPICAL STORM {MELOR} (1527) UPGRADED FROM TROPICAL STORM WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE ONE POINT FIVE NORTH ONE THREE ONE POINT TWO EAST FORECAST TO MOVE WEST NORTHWEST AT ZERO FIVE METERS PER SECOND ROUGH TO HIGH SEAS WITHIN ONE SEVEN FIVE KILOMETER RADIUS FROM THE CENTER ESTIMATED CENTRAL PRESSURE NINE EIGHT SEVEN HECTOPASCALS MAXIMUM WINDS TWO SIX METERS PER SECOND NEAR THE CENTER FORECAST POSITIONS AT 131800 ONE TWO POINT FOUR NORTH ONE TWO SIX POINT NINE EAST AT 141800 ONE TWO POINT SIX NORTH ONE TWO THREE POINT FOUR EAST AT 151800 ONE TWO POINT SIX NORTH ONE TWO ZERO POINT THREE EAST AT 161800 ONE TWO POINT FIVE NORTH ONE ONE SEVEN POINT SEVEN EAST AND AT 171800 ONE ONE POINT NINE NORTH ONE ONE FIVE POINT ONE EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=