Talks and Posters

2012

Friedrich, K., B. Geerts, J. Wurman, K. Kosiba, J. Aikins, E. Kalina: Measuring snow characteristics with the dual-polarization Doppler on Wheels (DOW) radar during ASCII 2012. NSF Radar Workshop, 27-29 November, Boulder, CO

Friedrich, K., J. V. Rudolph, U. Germann, M. Boscacci: Precipitation trends in the European Alps - Current and future effects on Swiss river basins. Seminar at CU/ATOC, 21 February 2012, Boulder, CO and at NCAR 1 March 2012, Boulder, CO.

2011

Friedrich, K., E. Kalina, F. Masters, and C. Lopez: Studying microphysical charateristics in supercell thunderstorms using mobile dual-polarization radars and mobile disdrometers during VORTEX2. February 2011, NCAR, Boulder, CO.

Lopez. C., F. Masters, and K. Friedrich: Capture and characterization of wind-driven rain during tropical cyclones and supercell thunderstorms. 13th International Conference on Wind Engineering, July, 2011, Amsterdam, The Netherlands.

Rudolph, J. V., and K. Friedrich: Relationship between radar-estimated precipitation and synoptic weather patterns in the European Alps. June 2011, MeteoSwiss, Locarno, Switzerland.

Rudolph, J. V., K. Friedrich, and U. Germann: 21st century precipitation trend for Swiss river basins. University of Colorado Hydrologic Sciences Student Research Symposium, April 2011, Boulder, CO.

2010

Rudolph, J., K. Friedrich, and U. Germann 2010: The relationship between synoptic weather patterns and an operatinal radar-based precipitation climatology for the European Alps (2000-2008). Conf. on Mountain Meteorology, Americ. Meteorol. Soc., August 2010, Lke Tahoe, USA.

Rudolph, J., K. Friedrich, and U. Germann 2010: Relationship between radar-estimated precipitation and synoptic weather patterns in the European Alps. 6th European Conference on Radar in Meteorology and Hydrology, September 2010, Sibiu, Romania.

Friedrich, K., J. Wurman, D. Burgess, and F. Masters 2010: Microphysical characteristics in supercell thunderstorms using mobile dual-polarization radars and mobile disdrometer. 6th European Conference on Radar in Meteorology and Hydrology, September 2010, Sibiu, Romania.

Friedrich, K.: Radar and drop-size distribution measurements during Hurricane Ike. Seminar at HRD/AOML, 12 January 2010, Miami, FL.

2009

Friedrich, K.: Innovations in monitoring and forecasting precipitation using weather radar. Seminar at NOAA, 12 February 2009, Boulder, CO.

Friedrich, K., R. Humphrey, J. Wurman, and K. Kosiba: Study of microphysical and thermodynamic structures within supercell thunderstorms. Conf. on Mesoscale Meteorology, Americ. Meteorol. Soc., August 2009, Salt Lake City, USA.

Friedrich, K., T. Weckwerth, W.-C. Lee, U. Germann, and L. Panziera: What is the difference between orographic precipitation in the Europe Alps and Taiwan? Conf. on Mesoscale Meteorology, Americ. Meteorol. Soc., August 2009, Salt Lake City, USA.

Friedrich, K., R. Humphrey, J. Wurman, and K. Kosiba: Study of microphysical and thermodynamic structures within supercell thunderstorms. 5th European Conference on Severe Storms, 12-16 October 2009, Landshut, Germany.

Higgins, S., K. Friedrich, and J. Wurman: The evolution of raindrop size distributions during Hurricane Ike. Atmospheric and Oceanic Sciences Student Poster Conference, October 2008, Boulder, Colorado, USA.

Rudolph, J., K. Friedrich, and U. Germann: A 10 year radar-based precipitation climatology for the European Alps. Atmospheric and Oceanic Sciences Student Poster Conference, October 2008, Boulder, Colorado, USA.

Rudolph, J., K. Friedrich, and U. Germann: A 10 year radar-based precipitation climatology for the European Alps. Conf. on Mesoscale Meteorology, Americ. Meteorol. Soc., August 2009, Salt Lake City, USA.

2008

Humphrey, R., K. Friedrich, J. Wurman, K. Kosiba, and P. Robinson: CU in the field - investigation of kinematics and thermodynamics of two intercepted storms. Atmospheric and Oceanic Sciences Student Poster Conference, October 2008, Boulder, Colorado, USA.

Boonstra, R., and K. Friedrich: Convection initiation in the European Alps. Atmospheric and Oceanic Sciences Student Poster Conference, October 2008, Boulder, Colorado, USA.

Dupuy, P., B. Fradon, P. Tabary, and K. Friedrich: An experimental assessment of the influence of the antenna rotation rate on the quality of polarimetric measurements. 5th European Conference on Radar in Meteorology and Hydrology, July 2008, Helsinki, Finland.

2007

Friedrich, K., U. Germann, J. J. Gourley, and P. Tabary: Effects of radar beam shielding on rainfall estimation for polarimetric C-band radar. 33rd Conf. on Radar Meteorology, August 2007, Cairns, Australia.

Friedrich, K., U. Germann, and P. Tabary: Using polarimetry in mountainous terrain - potentials and challanges. 33rd Conf. on Radar Meteorology, August, 2007, Cairns, Australia.

Friedrich, K., U. Germann, and P. Tabary: Benefit and optimal usage of polarimetry in mountainous terrain. 29th International Conf. on Alpine Meteorology, June 2007, Chambery, France.

Panziera, L., U. Germann, and K. Friedrich: Orographic forcing and Doppler wind, the key for nowcasting heavy precipitation in the Alps. 33rd Conf. on Radar Meteorology, August 2007, Cairns, Australia.

Segond, M.-L., P. Tabary, J. Parent-du-Chatelet, A. J. Illingworth, and K. Friedrich: Discussion on the implementation of quantitative precipitation estimation (QPE) on operational polarimentc radars. European Geosciences Union General Assembly, April 2007, Vienna, Austria.

2006

Friedrich, K., U. Germann, G. Galli, and P. Tabary: The potential benefits of polarimetric radar for quantitative precipitation estimation in mountainous terrain. WMO Technical Conference on Meteorological and Environmental Instruments and Methods of Observations, December 2006, Geneva, Switzerland.

Friedrich, K., U. Germann, G. Galli, A. Hering, and M. Boscacci: Innovations in monitoring and nowcasting orographic precipitation by radar. WMO Technical Conference on Meteorological and Environmental Instruments and Methods of Observations, December 2006, Geneva, Switzerland.

Friedrich, K., U. Germann, G. Galli, P. Tabary, and J. Parent du Chatelet: Simulation of ground clutter influence on polarimetric rainfall rate. 4th European Conference on Radar in Meteorology and Hydrology, September 2006, Barcelona, Spain.

Friedrich, K., U. Germann, G. Galli, J. J. Gourley, P. Tabary, and J. Parent du Chatelet: The effect of beam shielding on polarimetric rainfall estimates - Do phase-based quantitative precipitation estimates at C-band really increase the accuracy? European Geosciences Union General Assembly, April 2006, Vienna, Austria.

2005

Friedrich, K., D. E. Kingsmill, C. Flamant, H. V. Murphey, and R. M. Wakimoto: Kinematic
and moisture structure of a stationary cold front observed on 10 June 2002 during IHOP. 32nd Conference on Radar Meteorology, October 2005, Albuquerque, NM, USA.

Friedrich, K.: Polarimetric weather radar - How does it work. Seminar at MeteoSwiss, August 2005, Locarno, Switzerland.

2004

Friedrich, K., D. E. Kingsmill, and C. Young: Convection initiation and misocyclone development: I there a link? 22nd Conf. on Severe Local Storms, October 2004, Hyannis, MA, USA.

Friedrich, K., O. Reitebuch, O. Caument, M. Hagen, and H. Hoeller: Multiple-Doppler and precipitation analysis of a multicell thunderstorm. International Symposium on Tropospheric Profiling, September 2003, Leipzig, Germany

2003

Friedrich, K., M., Hagen, and G. Craig: Radar measurements at the DLR - Current status and
future prospects. Radar Development and Application Workshop, April 2003, Boulder, CO, USA.

Höller, H., K. Friedrich, O. Reitebuch, J Seltmann, U. Corsmeier, and P. Delville, 2003: Vertical transport in thunderstorms at the northern Alps. International Conference Alpine Meteorology, Mai 2003, Brig, Switzerland.

2002

Friedrich, K.: Determination of three-dimensional wind-vector fields using a bistatic Doppler radar network. Seminar at the Laboratoire d’Aerologie, November 2002, Toulouse, France.

Friedrich, K., and M. Hagen: Wind vector field determination by bistatic Doppler radar. 2nd European Conference on Radar in Meteorology and Hydrology, November
2002, Delft, The Netherlands.

Friedrich, K.: Wind synthesis and quality control of dual-Doppler derived horizontal wind-fields. Seminar at the University Munich, April 2002, Munich, Germany.

2001

Friedrich, K.: Windfeldbestimmung mit bistatischem Doppler Radar. Seminar at the DLR, December 2001, Oberpfaffenhofen, Germany.

Friedrich, K., and M. Hagen: Wind vector field determination by bistatic Doppler radar. 30th Conference on Radar Meteorology, July 2001, Munich, Germany.

Friedrich, K.: Wind vector field determination by bistatic multiple-Doppler radar. Seminar at NCAR, February 2001, Boulder, CO, USA.

Friedrich, K.: Wind vector field determination by bistatic multiple-Doppler radar. Seminar at the University of Washington, February 2001, Seattle, WA, USA.

2000

Friedrich, K., M. Hagen, and P. Meischner: Vector wind field determination by bistatic multiple-Doppler radar. 1st European Conference on Radar in Meteorology and Hydrology, October 2000, Bologna, Italy.

Friedrich, K., M. Hagen, P. Meischner: Real-time vector windfield determination by bistatic multiple-Doppler radar. European Geophysical Society General Assembly, April 2000, Nice, France.

Friedrich, K.: Windfeldbestimmung mit bistatischem Doppler Radar. Seminar at the Deutsches Zentrum fuer Luft- und Raumfahrt (DLR), February 2000, Oberpfaffenhofen, Germany.

1998

Friedrich, K., N. Moelders, and G. Tetzlaff: Numerische Untersuchung zur Sensitivitaet des Bowen-ratios. Deutsche Meteorologen Tagung, September 1998, Leipzig, Germany.

Friedrich, K., N. Moelders: A numerical case study on the sensitivity of the water and energy fluxes to the heterogeneity of the distribution of land use. European Geophysical Society, General Assembly, April 1998, Nice, France.