WTPH20 RPMM 111200 TTT STORM WARNING 20 AT 1200 11 MAY SEVERE TROPICAL STORM {NOUL} (1506) DOWNGRADED FROM TYPHOON WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT TWO THREE POINT THREE NORTH ONE TWO THREE POINT NINE EAST FORECAST TO MOVE NORTHEAST AT ZERO NINE 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 111200 TWO EIGHT POINT THREE NORTH ONE THREE ONE POINT ZERO EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORTS TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=