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International Workshop on Measuring High Wind Speeds Over the Ocean. 15-17 November 2016, Exeter. Proceedings

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International Workshop on Measuring High Wind Speeds Over the Ocean. 15-17 November 2016, Exeter. Proceedings Evolution INTERNATIONAL WORKSHOP ON MEASURING HIGH WIND SPEEDS OVER THE OCEAN 15-17 November 2016 | Met Office, Exeter, Proceedings compiled by Organising Committee of the Workshop Organising Committee Pete Francis (Met Office, UK) James Cotton (Met Office, UK) Nicolas Reul (IFREMER, France) Bertrand Chapron (IFREMER, France) Fabrice Collard (OceanDataLab, France) Craig Donlon (ESA/ESTEC/The Netherlands) With support from: Susanne Mecklenburg, SMOS mission manager (ESA/ESRIN, Italy) Diego Fernandez (ESA/ESRIN, Italy) Roberto Sabia (ESA/ ESRIN, Italy) Matthias Drush (ESA/ESTEC/the Netherlands) Chair persons Marcos Portabella (ICM-CSIC, Spain) Lucrezia Ricciardulli (REMSS, USA) Nicolas Reul (IFREMER, France) Thomas Meissner (REMSS, USA) Mark Powell (RMS, USA) Svetla Hristova-Veleva (Cal-Tech, USA) Mark Bourassa (FSU, USA) Zorana Jelenak (JPL, USA) Estel Cardellach (ICE-CSIC/IEEC, Spain) David Cotton (SatOC, UK) Alex Babanin (Univ. Melbourne, Australia) Bertrand Chapron (IFREMER, France) John Eyre (Met Office, UK) Ad Stoffelen (KNMI, the Netherlands) 2 Table of Contents About the Workshop .................................................................................................................................. 6 Programme .................................................................................................................................................. 8 Abstracts .................................................................................................................................................... 13 Introduction Talks ................................................................................................................................... 13 Session 1: Satellite Measurement Techniques ....................................................................................... 14 Sensor Physics and the Complementarity of Ocean Surface Satellite Measurements Bertrand Chapron ............................................................................................................................... 15 ESA’s Soil Moisture and Ocean Salinity Mission: current status Susanne Mecklenburg ......................................................................................................................... 18 The SMOS-STORM project: a New Generation of Extreme Wind Speed Measurements from Space Nicolas Reul ........................................................................................................................................ 20 Ocean Vector Winds in Storms from the SMAP L-Band Radiometer Thomas Meissner ................................................................................................................................ 23 SMAP Observations of Extreme Ocean Winds Alexander Fore .................................................................................................................................... 25 High Winds from RapidScat Bryan Stiles .......................................................................................................................................... 27 Wind Fields Retrieving for Typhoon Using Neural Network for Combined Observations of Radiometer and Scatterometer onboard HY-2A Xingou Xu ............................................................................................................................................ 29 Sentinel-1 Hurricane Observation Campaign Alexis Mouche ..................................................................................................................................... 31 Hurricane Matthew extreme winds and precipitation from space Lucrezia Ricciardulli ............................................................................................................................. 34 Summary of the Plenary Discussion on Satellite Measurements Chair: M. Portabella, L. Ricciardulli, N. Reul and T. Meissner ............................................................. 36 Session 2: Core Applications ................................................................................................................... 38 HWIND fields in support of high wind remote sensing in tropical cyclones Mark D. Powell .................................................................................................................................... 39 A consensus approach to operationally estimate and forecast tropical cyclone wind radii John A. Knaff ....................................................................................................................................... 42 Hurricane Patricia winds from Hwind J.-P. Michael ........................................................................................................................................ 44 Accurate estimation of the ocean surface winds in hurricanes: a critical component for developing predictors for hurricane Rapid Intensification potential Svetla Hristova-Veleva ........................................................................................................................ 46 3 Synthetic Aperture Radar for wind energy applications: potential and challenges at high wind speeds Merete Badger .................................................................................................................................... 49 Plenary discussion – core applications Chair: Svetla Hristova-Veleva and Marcos Portabella ........................................................................ 51 Session 3: Calibration and Validation of High Winds .............................................................................. 52 Major issues associated with impacts and remotely sensed observations of high wind speeds Mark A. Bourassa ................................................................................................................................ 53 Validation of Strong Ocean Surface Wind Speeds Paul S. Chang1, Zorana Jelenak1 , and Joseph M. Sienkiewicz2 ........................................................... 57 Extreme scatterometer winds at C band Ad Stoffelen ........................................................................................................................................ 60 Development and application of a global satellite database of wind and wave conditions I.R.Young and E. Sanina ....................................................................................................................... 63 Assessment of Altimeter, Scatterometer and Model High Surface Wind Speeds Saleh Abdalla ....................................................................................................................................... 65 Measuring coastal winds with multiple remote sensing systems: a comparison of SAR wind retrievals and lidar wind measurements. Tobias Ahsbahs ................................................................................................................................... 67 Plenary discussion – Calibration and Validation of High Winds Chair: Marc Bourassa and Zorana Jelenak .......................................................................................... 69 Session 1b: Satellite Measurement Techniques ..................................................................................... 70 Ocean wind retrieval using GNSS Reflectometry data from the UK TechDemoSat-1 mission Giuseppe Foti (presented by Christine Gommenginger) .................................................................... 71 The NASA CYGNSS Tropical Cyclone Mission ...................................................................................... 74 Session 4: Air/Sea Interaction ................................................................................................................. 76 Air-Sea Interactions at Extreme Wind Speeds Alexander Babanin .............................................................................................................................. 77 Sensitivity to wind stress formulation in a coupled wave-atmosphere model L. Pineau-Guillou1,2, F. Ardhuin3,2, M.-N. Bouin4,2, J.-L. Redelsperger3,2, B. Chapron1,2, J. Bidlot5 ... 79 Sea State Influence on SFMR Wind Speed Retrievals in Tropical Cyclones Heather M Holbach ............................................................................................................................. 82 X-band radar cross-section and sea spray at gale force winds: towards cross-polarization GMF for retrieval of hurricane wind speed and surface stress Yulia Troitskaya ................................................................................................................................... 84 Plenary discussion – air/sea interaction ............................................................................................. 87 4 Session 5: Applications – NWP & NOP .................................................................................................... 88 An Overview of Tropical Cyclone Prediction at the Met Office Julian T. Heming .................................................................................................................................. 89 Assimilation and Impact of SMOS Wind Speeds in NWP James Cotton....................................................................................................................................... 92 On the use of satellite ocean surface winds at ECMWF Giovanna De Chiara............................................................................................................................. 95 On the use of SMOS
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