THORPEX DAOS-5 Start date 19 September 2012 End date 20 September 2012 Location Madison, WI, USA Activity Areas (1) World Weather Research Programme (WWRP) 5th Meeting THORPEX DAOS (MADISON, Wisconsin, 19-20 September 2012) PRESENTATIONS Actions and reports from the recent ICSC and WWRP/JSC meetings and post THORPEX plansJ. Caughey Report from THORPEX Africa WG Meeting (Geneva, 8-10 May 2012)S. Majumdar DAOS Links to WWRP/Mesoscale Weather Forecasting Research (MWFR) WG D. Barker The Fifth WMO Workshop on the Impact of Various Observing Systems on NWP (Sedona, AZ, 22 - 25 May 2012)R. Gelaro, E. Andersson Actions from DAOS-4R. Saunders New Interpretations of Targeting Techniques for Tropical CyclonesB. Hoover, C. Velden, C. Reynolds, S. Majumdar Targeted Observations for Improving Numerical Weather Prediction: An overviewS. Majumdar Impact of Targeted Dropsonde Data on Mid-latitude Numerical Weather Forecasts during the 2011 Winter Storms Reconnaissance Program T. Hamill, C. Cardinali, F. Yang, S. Majumdar Impact of observations in the Southern Polar Area during the Concordiasi field experiment F. Rabier, V. Guidard, A. Doerenbecher, A. Vincensini, C. Cardinali, R. Gelaro, R.Langland, A. Cress DIAMET - DIAbatic influences on Mesoscale structures in Extratropical sTorms G. Vaughan, J. Methven, I. Renfrew, D. Parker Data Assimilation aspects and the HyMeX campaignY. Michel and N. Fourrié Update on GEO Hyperspectral Sounders: GIFTS and GeoMetWatch “Storm" H. Revercomb Update on Satellite Observations R. Saunders and C. Velden Impact of Satellite Atmospheric Motion Vectors in the GMAO GEOS-5 Global Data Assimilation System R. Gelaro, D. Merkova, W. McCarty, King-Sheng Tai International Winds Working Group (IWWG) 11th Workshop -- AMV Impact Studies D. Santek, C. Velden General Observational Developments – Topic 3: In-situ observations S. Klink, T.Keenan, B. Calpini Comparison of Model Analyses/ErrorsR. Langland An Integrated Ensemble/Variational Hybrid Data Assimilation System T. Auligne Use of Ensembles in Variational Data AssimilationA. Lorenc Assimilation of Aerosol Observations R.B. Pierce, Arlindo da Silva, M. Pagowski, G. Grell, P. Saide, G. Carmichael, S. Lu Fast Implementation of Localization for Ensemble DA B. Wang, J.J. Liu Tropical Cyclone Mesoscale Data Assimilation S. Majumdar, C. Velden Using regional-scale OSSEs to explore the impact of infrared brightness temperature observations J. Otkin