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
C:\Documents and Settings\hroarty\My Documents\COOL\01 CODAR\MARCOOS\Renewal
Nested Standard Range Network
CEDAR ISLAND
BLOCK ISLAND
Radial Coverage Total Coverage
Radial Coverage Total Coverage
Every Other Vector Shown for Plotting Purposes DEC 2008 to NOV 2009 Temporal Coverage Greater than 50% Required for Plotting
Individual Site Data Data Aggregator Forecast Product Generation Product Aggregator Decision Tool MARCOOS Regional Theme 1: Maritime Safety, Search And Rescue MARCOOS Totals HF Radar Radials ROMS (Rutgers) STPS, (UConn) HOPS (SMAST) NYHOPS (Stevens) EDS NOAA National Network SAROPS Year 1 & 2 Year 3 MARCOOS Distribution: OPeNDAP/ THREDDS Data Format: NetCDF
Validation of Optimal Interpolation Totals Feb 24- April 4, days
ADCP ADCP OI UWLS
Drifter Drifter OI UWLS
HF Radar and 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 DateTime 22 July Z July Z July Z July Z July Z 96
24 Hours Into Search HYCOM Low Confidence HF Radar High Confidence
48 Hours Into Search HYCOM Low Confidence HF Radar High Confidence
Search Area After 96 Hours HYCOM 36,000 km 2 10,500 nmi 2 HF Radar 12,000 km 2 3,500 nmi km 154 km 123 km 100 km
Winter Spring DEC ’08 – FEB ‘09 MARCH ’09 – MAY ‘09
Summer Fall JUNE ’09 – AUG ‘09 SEPT ’09 – NOV ‘09
Every Third Ellipse Shown for Plotting Purposes Temporal Coverage Greater than 50% Required for Plotting
Conclusions Mid Atlantic Long Range HF Radar Network is celebrating its 10 th 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