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An unusual low in the Northwest Pacific Ocean. Bill Ward NOAA/NWS Pacific Region Headquarters Honolulu, Hawaii. Topics of Discussion. The path of the destructive low 24 hr visual Imagery of the event Surf photography and Damage ASCAT vs QuikSCAT. Wake Island Damage Area. 9-Oct-14.
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An unusual low in the Northwest Pacific Ocean Bill Ward NOAA/NWS Pacific Region Headquarters Honolulu, Hawaii
Topics of Discussion • The path of the destructive low • 24 hr visual Imagery of the event • Surf photography and Damage • ASCAT vs QuikSCAT
Wake Island Damage Area 9-Oct-14
Wake Island Damage 9-Oct-14
Wake Island Damage 9-Oct-14
Wake Island Damage 9-Oct-14
ASCAT Fan Beam Two 550 km swaths 660km nadir gap C-band radar 25km resolution RMS wind speed and direction: 1.72 m/s, 18° Biased low for wind speeds greater than 20 m/s QuikSCAT Conical scanning Pencil beam: 40 & 46 degree incidence angles No nadir gap 12.5 km resolution Root Mean Squared differences wind speed and direction: 1.2-1.7 m/s, 14-15° 10% of received measurements are rain contaminated, biased high by about 2-4 m/s ASCAT vs QuikSCAT
Thank You!! • Questions??? • Contact Info • Bill Ward • ESSD Chief, PRH • Honolulu, Hawaii • bill.ward@noaa.gov • (808) 532-6415 • (808) 722-9961