WTNC02 NWBB 071337
SPECIAL MARINE WEATHER ADVISORY NUMBER 77 ISSUED THE 2023/12/07 AT
13:37 UTC

STORM WARNING   FOR NORTH AREA.
  NORTH AREA
SYNOPTIC CONTEXT THE 2023/12/07 AT 12 UTC
THE 2023/12/07 AT 12:00 UTC, SEVERE TROPICAL CYCLONE CATEGORY 3
JASPER:
-LOCATED BY 13.1S 156.8 E. POSITION GOOD.
-CENTRAL PRESSURE ESTIMATED TO BE ABOUT 960 HPA.
-MOVING SOUTH 6 KT.
-EXPECT SUSTAINED WINDS OF 85 KT (GUSTS 120 KT) NEAR THE CENTER, VERY
HIGH SEA.
-WINDS ABOVE 64 KT (GUSTS 90 KT) AND HIGH SEA WITHIN 35 NAUTICAL
MILES OF THE CENTER.
-WINDS ABOVE 48 KT (GUSTS 70 KT) AND VERY ROUGH TO HIGH SEA WITHIN:
60 NAUTICAL MILES IN THE NE QUADRANT.
70 NAUTICAL MILES IN THE SE QUADRANT.
70 NAUTICAL MILES IN THE SW QUADRANT.
60 NAUTICAL MILES IN THE NW QUADRANT.
-WINDS ABOVE 34 KT (GUSTS 50 KT) AND ROUGH TO VERY ROUGH SEA WITHIN:
110 NAUTICAL MILES IN THE NE QUADRANT.
120 NAUTICAL MILES IN THE SE QUADRANT.
120 NAUTICAL MILES IN THE SW QUADRANT.
90 NAUTICAL MILES IN THE NW QUADRANT.
FORECAST
JASPER MOVING SOUTHWARD INTENSIFYING.
ON THE NORTHWESTERNMOST CORNER OF THE NORTHERN AREA, NORTH OF 18OS
AND WEST OF 160OE : FROM 2023/12/07 AT 12:00 UTC TO 2023/12/08 AT
12:00 UTC AT LEAST :
CYCLONIC WINDS FROM EAST TO NORTH-EAST, REACHING 40-45 KT, SEVERE
GUSTS, LOCALLY ON THE WESTERN EDGE, 45-50 KT, VIOLENT GUSTS. VERY
ROUGH TO HIGH AND CROSS SEA.
FORECAST POSITIONS
FORECAST POSITIONS
2023/12/07 AT 18:00 UTC: 13.6 S 156.6 E.
2023/12/08 AT 00:00 UTC: 14.1 S 156.5 E.
2023/12/08 AT 06:00 UTC: 14.6 S 156.3 E.
2023/12/08 AT 12:00 UTC: 14.8 S 156.1 E.
NEXT SPECIAL MARINE WEATHER ADVISORY THE 12/08 AT 04 UTC=