WTPH20 RPMM 280000 TTT STORM WARNING 12 AT 0000 28 JULY SEVERE TROPICAL STORM {NESAT} (1709) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT TWO ZERO POINT TWO NORTH ONE TWO FIVE POINT FIVE EAST FORECAST TO MOVE NORTHWEST AT ZERO FOUR METERS PER SECOND ROUGH TO VERY HIGH SEAS WITHIN THREE ZERO ZERO KILOMETER RADIUS SOUTHWEST SEMICIRCLE TWO FIVE ZERO KILOMETER RADIUS ELSEWHERE ESTIMATED CENTRAL PRESSURE NINE EIGHT ONE HECTOPASCALS MAXIMUM WINDS TWO NINE METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN THREE ZERO ZERO KILOMETER RADIUS SOUTHWEST SEMICIRCLE TWO FIVE ZERO KILOMETER RADIUS ELSEWERE FORECAST POSITIONS AT 290000 TWO TWO POINT THREE NORTH ONE TWO TWO POINT SIX EAST AT 300000 TWO FOUR POINT FOUR NORTH ONE ONE NINE POINT SEVEN EAST AT 310000 TWO SIX POINT FIVE NORTH ONE ONE NINE POINT ZERO EAST AND AT 010000 TWO NINE POINT ZERO NORTH ONE ONE NINE POINT FIVE EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD PAGASA=