WTPH20 RPMM 111800 TTT STORM WARNING 21 (FINAL) AT 1800 11 MAY SEVERE TROPICAL STORM {NOUL} (1506) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT TWO FIVE POINT NINE NORTH ONE TWO FIVE POINT SIX EAST FORECAST TO MOVE NORTHEAST AT ONE TWO METERS PER SECOND ROUGH TO VERY HIGH SEAS WITHIN ONE FIVE ZERO KILOMETER RADIUS FROM CENTER ESTIMATED CENTRAL PRESSURE NINE EIGHT ZERO HECTOPASCALS MAXIMUM WINDS THREE ONE METERS PER SECOND NEAR THE CENTER TWO FIVE METERS PER SECOND WITHIN ONE ZERO ZERO KILOMETER RADIUS FROM CENTER ONE THREE METERS PER SECOND WITHIN ONE FIVE ZERO KILOMETER RADIUS FROM THE CENTER FORECAST POSITION AT 120600 THREE ZERO POINT TWO NORTH ONE TWO NINE POINT FOUR EAST WITH THIS DEVELOPMENT AND UNLESS RE-ENTRY OCCURS THIS IS THE FINAL WARNING FROM PHILIPPINE ATMOSPHERIC GEOPHYSICAL ASTRONOMICAL SEVICES ADMINSTRATION PD PAGASA=