WWJP25 RJTD 051800

WARNING AND SUMMARY 051800.

WARNING VALID 061800.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

DEVELOPING LOW 988 HPA

AT 41N 164E FAR OFF EAST OF JAPAN MOVING NORTHNORTHEAST 30 KNOTS.

OCCLUDED FRONT FROM 41N 164E TO 41N 165E 39N 166E.

WARM FRONT FROM 39N 166E TO 37N 168E 34N 169E.

COLD FRONT FROM 39N 166E TO 35N 165E 30N 159E.

WINDS 30 TO 50 KNOTS WITHIN 400 MILES OF LOW SOUTHEAST SEMICIRCLE AND

200 MILES ELSEWHERE.

FORECAST POSITION FOR 060600UTC AT 47N 165E WITH UNCERTAINTY OF 50

MILES RADIUS.

FORECAST POSITION FOR 061800UTC AT 50N 163E WITH UNCERTAINTY OF 85

MILES RADIUS.

GALE WARNING.

DEVELOPING LOW 1006 HPA

AT 33N 150E SEA EAST OF JAPAN MOVING SOUTHEAST 20 KNOTS.

WINDS 30 TO 40 KNOTS WITHIN 900 MILES OF LOW WEST SEMICIRCLE AND 400

MILES ELSEWHERE.

GALE WARNING.

DEVELOPED LOW 984 HPA

AT 52N 157E KAMCHATKA ALMOST STATIONARY.

WINDS 30 TO 40 KNOTS WITHIN 900 MILES OF LOW EAST SEMICIRCLE AND 600

MILES ELSEWHERE.

GALE WARNING.

DEVELOPED LOW 998 HPA

AT 44N 176E SEA SOUTH OF ALEUTIANS MOVING NORTHNORTHWEST 15 KNOTS.

WINDS 30 TO 40 KNOTS WITHIN 800 MILES OF LOW SOUTHEAST SEMICIRCLE AND

300 MILES ELSEWHERE.

ANOTHER LOW 1004 HPA AT 39N 177W

MOVING NORTHNORTHEAST 10 KNOTS.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER YELLOW SEA EAST CHINA SEA NORTHERN

PART OF SOUTH CHINA SEA.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 55N 165E 60N 165E

60N 170E 50N 180E 42N 180E 47N 170E 55N 165E.

SUMMARY.

LOW PRESSURE AREA 1004 HPA NEAR 05N 133E WEST SLOWLY.

HIGH 1032 HPA AT 43N 129E SE 15 KT.

HIGH 1012 HPA AT 35N 175E ENE 10 KT.

STATIONARY FRONT FROM 26N 111E TO 30N 118E 28N 128E.

STATIONARY FRONT FROM 20N 160E TO 24N 170E 29N 180E.