Marine Weather Warning for GMDSS Metarea XI 2017-12-11T18:00:00Z

WWJP90 RJTD 111800

EGC:2:1:31:11:01:00

SECURITE.

THIS WARNING IS ISSUED FOR THE NORTH OF EQUATOR OF METAREA XI(POR) BY

JMA.

WARNING AND SUMMARY 111800.

WARNING VALID 121800.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

DEVELOPING LOW 990 HPA

AT 43N 151E SEA EAST OF JAPAN MOVING NORTH 20 KNOTS.

WARM FRONT FROM 43N 151E TO 42N 156E 40N 161E.

COLD FRONT FROM 43N 151E TO 37N 153E 33N 149E 29N 144E.

EXPECTED WINDS 30 TO 50 KNOTS WITHIN 1000 MILES OF LOW FOR NEXT 12

HOURS.

FORECAST POSITION FOR 121800UTC AT 47N 147E WITH UNCERTAINTY OF 85

MILES RADIUS.

ANOTHER LOW 994 HPA AT 45N 138E

ALMOST STATIONARY.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 39N 145E 43N 146E

47N 152E 53N 160E 45N 180E 40N 180E 40N 170E 39N 145E.

SUMMARY.

LOW 1004 HPA AT 54N 145E ALMOST STATIONARY.

LOW 1000 HPA AT 49N 169E SE SLOWLY.

TROPICAL DEPRESSION 1006 HPA AT 08N 131E WNW SLOWLY.

HIGH 1022 HPA AT 32N 172E ESE 15 KT.

HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING

WARNING/INFORMATION FOR THE SOUTH CHINA SEA.

WARNINGS

GALE FORCE WINDS OVER SEAS NEAR TAIWAN, SEAS NEAR LUZON,

NORTHERN AND CENTRAL PARTS OF THE SOUTH CHINA SEA (SCS).

SYNOPSIS (111800UTC) AND 24-HOUR FORECAST

AN INTENSE NORTHEAST MONSOON IS BRINGING GALES TO THE

WARNING AREAS.

SIGNIFICANT SWELL/HIGH SEAS

SEAS 6 M OVER THE WARNING AREAS.

SWELL NE 3-5 M OVER SEAS NEAR TAIWAN, SEAS NEAR LUZON AND

THE SCS.

THUNDERSTORMS/SEVERE WEATHER

SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS)

OVER SEAS NEAR THE PHILIPPINES AND SEAS NEAR MALAYSIA.

ISOLATED SQ SH AND TS OVER SOUTHERN PART OF THE SCS.

SEA FOG/REDUCED VISIBILITY

VISIBILITY DOWN TO 2000 M IN SQ SH AND TS.

JAPAN METEOROLOGICAL AGENCY.=