WTJP31 RJTD 170900

WARNING 170900.

WARNING VALID 180900.

STORM WARNING.

SEVERE TROPICAL STORM 1501 MEKKHALA (1501) DOWNGRADED FROM TYPHOON

980 HPA

AT 12.2N 125.7E SEA EAST OF PHILIPPINES MOVING NORTHWEST 10 KNOTS.

POSITION FAIR.

MAX WINDS 55 KNOTS NEAR CENTER.

RADIUS OF OVER 50 KNOT WINDS 30 MILES.

RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 150 MILES

ELSEWHERE.

FORECAST POSITION FOR 172100UTC AT 12.8N 124.3E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 50 KNOTS NEAR CENTER.

FORECAST POSITION FOR 180900UTC AT 13.8N 122.8E WITH 70 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

992 HPA, MAX WINDS 40 KNOTS NEAR CENTER.



JAPAN METEOROLOGICAL AGENCY.=