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GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Application of GHRSST L4P analyses products at the NOAA Ocean Prediction Center.

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Presentation on theme: "GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Application of GHRSST L4P analyses products at the NOAA Ocean Prediction Center."— Presentation transcript:

1 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Application of GHRSST L4P analyses products at the NOAA Ocean Prediction Center Joe Sienkiewicz, Bob Daniels (Plurality, Inc), Ming Ji

2 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov NOAA Forecast Responsibility High Seas Warning Categories GALE – 34-47 knots Force 8/9 STORM – 48-63 knots Force 10/11 HURRICANE FORCE - >64 knots Force 12

3 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov OPC mission/responsibility Protection of life and property, safety at sea, and enhancement of economic opportunity Partially fulfill U.S. responsibilities with the World Meteorological Organization and Safety of Life at Sea Convention (SOLAS) –Text warning bulletins, graphic analyses and forecast products –Traditional focus wind and waves Increased oceanographic focus –Enhance or improve traditional services –Stand alone products

4 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov OISST Available in OPC operational N-AWIPS workstations – 10 Jan 2008 in GEMPAK grid format NetCDF – available for research applications via MATLAB –HYCOM (RT_OFS_ATL) evaluation –Ocean front finder –POES/GOES SST evaluation

5 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Applications Internal –Feature tracking Fronts, eddies, upwelling –PBL Stratification Wind speed bias correlates to SST gradients –UW PBL derived winds from 2m T, SLP, SST –Validation (NCOM, RTOFS_ATL, GOES/POES) External –Limiting factor resolution –ATL images available on web

6 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

7 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

8 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

9 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

10 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

11 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Feature tracking with OI and GOES SST

12 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Estimate of Gulf Stream

13 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Magnitude of SST gradient GOES SST composite Estimate PBL Stratification

14 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov GFS Wind Speed Bias and GOES SST Gradient (fronts) GFS wind speed bias for marginally stable PBL Difference in knots 30 day GFS 10m wind bias versus QuikSCAT

15 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Calculate air-sea temperature difference (GFS and OISST)

16 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Real time validation of NCOM NCOM OISST

17 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov University of Washington PBL Model - winds derived from 2m T, SLP, SST SST field (RTG_HIRES), considering OISST 2 m Temp (Forecaster adjusted) Estimate PBL Stratification PMSL (Forecaster generated) Derive 10m wind field PBL model being upgraded at this time Potential for forecasters efficiently and consistently generate gridded wind fields

18 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Sources of SST available to OPC Forecasters RTG 0.5 degOISST 0.25 deg RTG HIRESGOES/POES

19 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov http://www.opc.ncep.noaa.gov/Ocean_Products.shtml

20 GHRSST Users Symposium, Santa Rosa, CA 28-29 May 2009 www.opc.ncep.noaa.gov Summary Growing Oceanographic focus OISST - incorporated into OPC operations –Adapting some applications to OISST Feature tracking PBL Stratification UW PBL Model derived winds Evaluation of Ocean Models, other SST sources-GOES/POES –resolution limiting factor for external use including NWS coastal WFOs –Ultimate goal - AMSR into high res RTG Interested in Ensemble based applications –Freezing Spray


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