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Results from the Mid Atlantic High Frequency Radar Network

Cape Cod to Cape Hatteras: ~1000 km Coastline. Results from the Mid Atlantic High Frequency Radar Network. Hugh Roarty, Ethan Handel, Erick Rivera, Josh Kohut, Scott Glenn. Wendell Brown, Chris Jakubiak. Larry Atkinson, Teresa Garner. LONG RANGE NETWORK. 2003. 2003. 2003. 2001. 2000.

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Results from the Mid Atlantic High Frequency Radar Network

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  1. Cape Cod to Cape Hatteras: ~1000 km Coastline Results from the Mid Atlantic High Frequency Radar Network Hugh Roarty, Ethan Handel, Erick Rivera, Josh Kohut, Scott Glenn Wendell Brown, Chris Jakubiak Larry Atkinson, Teresa Garner

  2. LONG RANGE NETWORK 2003 2003 2003 2001 2000 2007 2001 2001 2006 2006 2009 2003 2003

  3. C:\Documents and Settings\hroarty\My Documents\COOL\01 CODAR\MARCOOS\Renewal

  4. Nested Standard Range Network

  5. CEDAR ISLAND 2005 2009

  6. BLOCK ISLAND 2009 2007

  7. Radial Coverage Total Coverage

  8. Radial Coverage Total Coverage

  9. DEC 2008 to NOV 2009 Every Other Vector Shown for Plotting Purposes Temporal Coverage Greater than 50% Required for Plotting

  10. MARCOOS Regional Theme 1: Maritime Safety, Search And Rescue Distribution: OPeNDAP/ THREDDS Data Format: NetCDF STPS, (UConn) MARCOOS Totals HF Radar Radials ROMS (Rutgers) EDS SAROPS NOAA National Network HOPS (SMAST) MARCOOS Year 1 & 2 NYHOPS (Stevens) Year 3

  11. Validation of Optimal Interpolation Totals Feb 24-April 4, 200739 days

  12. ADCP OI UWLS

  13. Drifter OI UWLS

  14. HF Radarand HYbrid Coordinate Ocean Model or (HYCOM)Currents in SAROPS • High Confidence (HF Radar) • sigma (1 std dev) = 0.22 knots • Tau (half life) = 264 minutes • Low Confidence (HYCOM) • sigma (1 std dev) = 0.37 knots • Tau (half life) = 264 minutes • Number of particles = 5000 • SLDMB 39029

  15. 24 Hours Into Search HYCOM Low Confidence HF Radar High Confidence

  16. 48 Hours Into Search HYCOM Low Confidence HF Radar High Confidence

  17. Search Area After 96 Hours 154 km 100 km 232 km 123 km HF Radar 12,000 km2 3,500 nmi2 HYCOM 36,000 km2 10,500 nmi2

  18. Spring Winter DEC ’08 – FEB ‘09 MARCH ’09 – MAY ‘09

  19. Fall Summer JUNE ’09 – AUG ‘09 SEPT ’09 – NOV ‘09

  20. Every Third Ellipse Shown for Plotting Purposes Temporal Coverage Greater than 50% Required for Plotting

  21. Conclusions • Mid Atlantic Long Range HF Radar Network is celebrating its 10th anniversary • MARCOOS is delivering Quality Controlled Surface Current Data and Forecasts to the US Coast Guard for improved SAR • HF Radar Network is helping to describe the nature of the flow in the Mid Atlantic

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