WTJP21 RJTD 300000

WARNING 300000.

WARNING VALID 310000.

WARNING IS UPDATED EVERY 6 HOURS.

TYPHOON WARNING.

TYPHOON 1803 JELAWAT (1803) UPGRADED FROM SEVERE TROPICAL STORM 975

HPA

AT 15.7N 137.3E SEA EAST OF PHILIPPINES MOVING EASTNORTHEAST SLOWLY.

POSITION GOOD.

MAX WINDS 65 KNOTS NEAR CENTER.

RADIUS OF OVER 50 KNOT WINDS 40 MILES.

RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTH SEMICIRCLE AND 120 MILES

ELSEWHERE.

FORECAST POSITION FOR 310000UTC AT 18.3N 140.0E WITH 60 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

980 HPA, MAX WINDS 60 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 010000UTC AT 18.8N 141.9E WITH 110 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 50 KNOTS NEAR CENTER.

FORECAST POSITION FOR 020000UTC AT 19.1N 144.3E WITH 170 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 45 KNOTS NEAR CENTER.



JAPAN METEOROLOGICAL AGENCY.=