Marine, Tropical and Tsunami Services Branch
National Program
WHPN01 KWBC 280015
HSWPAC
METAREA XII WARNING
ISSUED: 0015 UTC 2018 AUG 28
CCODE/2:31:12:11:00/AOE+AOW+POR/NWS/CCODE
PART A VALID: 24 HOURS STARTING 0000 UTC 2018 AUG 28
TROPICAL STORM MIRIAM NEAR 14.0N 131.8W 998 MB AT 2100 UTC AUG 27 MOVING W OR 270 DEG AT 13 KT.
24 HOUR FORECAST HURRICANE MIRIAM NEAR 13.9N 135.5W.
1.HURRICANE FORCE WARNING PA0100250826/18(014)
AREA: 13.5N 133.3W, 13.0N 136.8W, 15.0N 136.5W, 15.0N 133.3W
WINDS 64 TO 70 KT. GUSTS TO 85 KT.
2.STORM FORCE WARNING PA0200480826/18(015)
AREA: 14.5N 131.2W, 13.0N 132.5W, 13.0N 137.0W, 15.0N 137.0W, 15.0N 132.0W
WINDS 48 TO 63 KT.
3.GALE FORCE WARNING PA0301050824/18(019)
AREA: 13.0N 131.0W, 12.5N 137.5W, 13.5N 137.5W, 15.5N 136.5W,
15.2N 131.0W
WINDS 34 TO 47 KT.
4.VERY HIGH SEAS PA060140826/18(014)
AREA: 13.5N 133.8W, 13N 136.8W, 15.0N 136.9W, 15.0N 134.0W
SIGNIFICANT WAVE HEIGHT 9 TO 14 M
5.HIGH SEAS PA0700220826/18(014)
AREA: 14.0N 131.3W, 13.0N 133.5W, 12.5N 137.0W, 14.0N 137.5W, 15.8N 136.5W,
15.0N 131.3W
SIGNIFICANT WAVE HEIGHT 6 TO 9 M
6.VERY ROUGH SEAS PA0800920824/18(019)
AREA: 13.5N 130.5W, 11.8N 137.0W, 14.5N 138.2W, 17.0N 137.0W,
15.8W 130.5W
SIGNIFICANT WAVE HEIGHT 4 to 6 M
PART B VALID: 24 HOURS STARTING 0000 UTC 2018 AUG 29
24 HOUR FORECAST HURRICANE MIRIAM NEAR 13.9N 135.5W.
48 HOUR FORECAST HURRICANE MIRIAM NEAR 14.5N 139.0W.
1.HURRICANE FORCE WARNING PA0100250826/18(015)
AREA: 14.5N 135.8W, 13.5N 135.2W, 13.0N 138W, 13.2N 140.2W, 14.9N 140.2W,
14.5N 137.0W
WINDS 70 TO 85 KT. GUSTS TO 105 KT.
2.STORM FORCE WARNING PA0200480826/18(016)
AREA: 14.8N 135.2W, 13.0N 135.2W, 12.5N 138W, 13.0N 140.5W, 15.0N 140.5W,
14.8N 137.0W
WINDS 48 TO 63 KT.
3.GALE FORCE WARNING PA0301050824/18(020)
AREA: 14.0 134.8W, 12.0 135.5W, 12.0N 139W, 13.0N 141.2W, 16.0N 141.2W,
15.0N 135.0W
WINDS 34 TO 47 KT.
4.VERY HIGH SEAS PA0600140826/18(015)
AREA: 13.5N 135.5W, 13.5N 139.8W, 14.5N 140.8W, 15.2N 140.0W, 15.0W 135.2W
SIGNIFICANT WAVE HEIGHT 9 TO 14 M
5.HIGH SEAS PA0700220826/18(015)
AREA: 13.0N 135.8W, 12.8N 138.138.5W, 13.5N 141.3W, 16.0N 140.5W, 15.8N 134.5W
SIGNIFICANT WAVE HEIGHT 6 TO 9 M
6.VERY ROUGH SEAS PA0800920824/18(020)
AREA: 14.5N 133.8W, 11.8N 136.0W, 11.8N 140.0W, 13.0N 142.5W, 16.0N 142.5W,
17.5N 141.0W, 17.0N 135.0W
SIGNIFICANT WAVE HEIGHT 4 to 6 M
EXTENDED TROPICAL CYCLONE OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE:
1. 72 HOUR FORECAST HURRICANE MIRIAM NEAR 16.5N 141.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT.
2. 96 HOUR FORECAST HURRICANE MIRIAM NEAR 20.0N 142.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT.
3. 120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 24.5N 143.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Marine, Tropical and Tsunami Services Branch
1325 East-West Hwy, 13th floor
Communications Office
Silver Spring, MD 20910
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