Talks and Posters

2018

Luchetti, N., K. Friedrich, C. Rodell, and J. Lundquist: Evaluating Outflow Boundary Characteristics in Areas of Complex Terrain. 29th Conference on Severe Local Storms, Oct 2018, Stowe, VT.

Wallace, R., K. Friedrich, B. Meier, W. Deierling, E. Kalina, P. Schlatter, M. Serpas: Observing Deep Hail Accumulations on the Colorado and Wyoming Front Range. 29th Conference on Severe Local Storms, Oct 2018, Stowe, VT.

Wallace, R., K. Friedrich, B. Meier, W. Deierling, E. Kalina, P. Schlatter: Insights Into Identifying and Nowcasting Deep Hail Accumulations. 29th Conference on Severe Local Storms, Oct 2018, Stowe, VT.

Xue, L., W. Wu, R. M. Rasmussen, S. A. Tessendorf, J. R. French, K. Friedrich, B. Geerts, R. M. Rauber, D. Blestrud, M. L. Kunkel, N. Dawson, and S. Parkinson: Sensitivity Simulations of Ice Production in a Super-Cooled Orographic Cloud during the SNOWIE Field Campaign. 15th Conference on Cloud Physics. July 2018, Vancouver, Canada.

French, J., M. Hatt, A. Majewski, S. Tessendorf, K. Friedrich, L. Xue, R. M. Rauber, R. M. Rasmussen, B. Geerts, D. Blestrud, and M. L. Kunkel: Microphysical Impacts due to Glaciogenic Cloud Seeding in Wintertime Orographic Clouds. 15th Conference on Cloud Physics. July 2018, Vancouver, Canada.

Cann, M. D., K. Friedrich, S. A. Tessendorf, J. R. French, R. M. Rauber: Observations of Natural Cloud Structure and Snow Growth Processes in Orographic Clouds. 18th Conference on Mountain Meteorology. June 2018, Santa Fee, AZ.

Friedrich, K., R. Wallace, B. Meier, W. Deierling, E. Kalina, P. Schlatter: CHAT – The Colorado Hail Accumulation from Thunderstorms Project. 2018 North American Hail Workshop, August 2018, Boulder, CO.

Wallace, B., K. Friedrich, B. Meier, W. Deierling, E. Kalina, P. Schlatter: Investigating the Characteristics of Hail Accumulating Thunderstorms. 2018 North American Hail Workshop, August 2018, Boulder, CO.

Friedrich, K., J. Aikins, J. French, B. Geerts, S. Tessendorf, R. M. Rauber, R. Rasmussen, L. Xue, D. Blestrud, M. L. Kunkel, and S. Parkinson, 2018: Spatiotemporal Evolution of Seeded Orographic Winter Clouds Using High-Resolution Radar Observations. AMS 98th Annual Meeting, January 2018, Austin, TX.

Saltikoff, E., A. Becker, R. Hollmann, B. Urban, K. Friedrich, C. Tassone, 2018: Potential for use of radar data for climate monitoring. 10th European Conference on Radar in Meteorology & Hydrology. July 2018, Reehorst, Netherlands

McCaffrey, K., J. M. Wilczak, L. Bianco, I. V. Djalalova, R. Banta, T. A. Bonin, W. A. Brewer, A. Choukulkar, D. Cook, R. L. Coulter, H. J. S. Fernando, K. Friedrich, L. Leo, J. K. Lundquist, P. Muradyan, and Y. Pichugina, 2018: Identification and Characterization of Cold Pool Events during WFIP2. AMS 98th Annual Meeting, January 2018, Austin, TX.

Geresdi, I., L. Xue, R. M. Rasmussen, N. Sarkadi, W. Wu, S. Tessendorf, J. R. French, K. Friedrich, B. Geerts, D. Blestrud, R. M. Rauber, M. L. Kunkel, and S. Parkinson, 2017: Numerical Simulation of Seeding Effect Using a Bin Microphysics Scheme. AMS 98th Annual Meeting, January 2018, Austin, TX.

Xue, L., W. Wu, R. M. Rasmussen, S. A. Tessendorf, J. French, Friedrich, B. Geerts, R. M. Rauber, D. Blestrud, M. L. Kunkel, and S. Parkinson, 2017: Simulation of an Airborne Cloud Seeding Event during the SNOWIE Field Campaign. AMS 98th Annual Meeting, January 2018, Austin, TX.

French, J., A. Majewski, B. Geerts, Friedrich, S. Tessendorf, R. M. Rauber, R. M. Rasmussen, L. Xue, D. Blestrud, and M. L. Kunkel, 2018: Microphysical Evolution of Seeded Wintertime Orographic Clouds. AMS 98th Annual Meeting, January 2018, Austin, TX.

Tessendorf, S. A. J. French, Friedrich, B. Geerts, R. M. Rauber, R. M. Rasmussen, L. Xue, D. Blestrud, M. L. Kunkel, and S. Parkinson, 2018: An Overview of the SNOWIE Field Campaign. AMS 98th Annual Meeting, January 2018, Austin, TX.

Blestrud, D., S. Parkinson, M. L. Kunkel, R. M. Rauber, B. Geerts, J. R. French, Friedrich, R. M. Rasmussen, L. Xue, and S. A. Tessendorf, 2018: Public/Private Research Opportunities, They Can Work. AMS 98th Annual Meeting, January 2018, Austin, TX.

Rauber, R., B. Geerts, L. Xue, J. French, Friedrich, R. M. Rasmussen, S. A. Tessendorf, D. Blestrud, M. L. Kunkel, and S. Parkinson, 2018: Wintertime Glaciogenic Orographic Cloud Seeding—A Review. AMS 98th Annual Meeting, January 2018, Austin, TX.

Bodine, D., K. Rasmussen, K. Friedrich, K. A. Kosiba, J. M. Wurman, and P. Kucera, 2017: Drop-Size Distribution Observations from PECAN in Mesoscale Convective System Convective Regions. AMS 98th Annual Meeting, January 2018, Austin, TX.

Bodine, D.  K. L. Rasmussen, K. Friedrich, K. A. Kosiba, J. M. Wurman, and P. A. Kucera, 2018: Drop-Size Distribution Observations from PECAN in Mesoscale Convective System Stratiform Regions. AMS 98th Annual Meeting, January 2018, Austin, TX.

Geerts, B., C. D. Grasmick, B. Pokharel, K. Friedrich, and S. J. Haimov, 2018: Multi-frequency Radar Reflectivity Analysis of Seeded Orographic Winter Clouds.  AMS 98th Annual Meeting, January 2018, Austin, TX.

Blestrud, D., S. Parkinson, M. L. Kunkel, R. M. Rauber, B. Geerts, J. R. French, K. Friedrich, R. M. Rasmussen, L. Xue, and S. A. Tessendorf: Public/Private Research Opportunities, They Can Work. 21st AMS Conf. on Planned Inadv. Weather Mod.

2017

Friedrich, K., R. Wallace, E. Kalina, B. Meier, N. Rydell, W. Deierling, P. Schlatter, B. Motta, 2017: Observing hail accumulations in thunderstorms – CHAT: Colorado Hail Accumulations in Thunderstorm project. 17th Conference on Mesoscale Processes, July, San Diego, CA.

Wilczak J. J. Olson, L. Bianco, I. Djalalova, K. McCaffrey, Kenyon,  R. Banta, J.W. Bao, L. Berg, J. Bickford, T. Bonin, Brewer, M. Brewer,  S. Bustos-Ortola,   A. Choukulkar, A. Clifton, J. Cline, D. Cook,  R. Eckman, H. Fernando,  K. Friedrich,  E. Grimit,  L. Leo, J. Lundquist, M. Marquis, J. McCaa, V. Morris,   P. Muradyan,  Y. Pichugina, J. Sharp, W. Shaw, M. Stoelinga, S. Wharton, 2017: The Second Wind Forecast Improvement Project (WFIP2): Project Overview and Early Results, 4th International Conference on Energy & Meteorology (ICEM), 27–29 June, 2017, Bari, Italy.

Wilczak, J., I. Djalalova, L. Bianco, J. Olson, J. Kenyon, R. Banta, L. Berg, J. Bickford, T. Bonin, A. Brewer, M. Brewer, S. Bustos-Ortola, A. Choukulkar, A. Clifton, J. Cline, D. Cook, R. Eckman, H. Fernando, Friedrich, E. Grimit, L. Leo, J. Lundquist, M. Marquis, J. McCaa, K. McCaffrey, V. Morris, P. Muradyan, Y. Pichugina, J. Sharp, W. Shaw, M. Stoelinga, S. Wharton, 2017: NWP Forecast Errors of Boundary Layer Flow in Complex Terrain Observed During the Second Wind Forecast Improvement Project (WFIP2) Field Campaign, European Geosciences Union (EGU) General Assembly, 23–28 April 2017, Vienna, Austria.

Wilczak J. J. Olson, L. Bianco, I. Djalalova, K. McCaffrey, Kenyon,  R. Banta, J.W. Bao, L. Berg, J. Bickford, T. Bonin, Brewer, M. Brewer,  S. Bustos-Ortola,   A. Choukulkar, A. Clifton, J. Cline, D. Cook,  R. Eckman, H. Fernando,  K. Friedrich,  E. Grimit,  L. Leo, J. Lundquist, M. Marquis, J. McCaa, V. Morris,   P. Muradyan,  Y. Pichugina, J. Sharp, W. Shaw, M. Stoelinga, S. Wharton, 2017: NWP Forecast Errors of Boundary Layer Flow in Complex Terrain Observed During the SecondWind Forecast Improvement Project (WFIP2) Field Campaign, European Geosciences Union (EGU) General Assembly, 23–28 Apr, 2017, Vienna, Austria.

Serke, D., S. Tessendorf, K. A. Reed, J. R. French, B. Geerts, D. M. Plummer, S. Faber, R. T. Bruintjes, R. M. Rauber, Friedrich, R. M. Rasmussen, A. R. Janiszeski, L. Blanchette, A. Schweitzer, S. Huber, S. W. Chen, R. Gutierrez, D. Blestrud, M. L. Kunkel, J. A. Haggerty, and D. Albo, 2017: Initial performance evaluation of a radar-based super-cooled water detection algorithm during the SNOWIE Field Campaign. 38th Conference on Radar Meteorology. September 2015, Chicago, IL.

Wallace, R., Friedrich, E. Kalina, B. Meier, N. Rydell, W. Deierling, P. T. Schlatter, and B. C. Motta, 2017: Identifying, Observing, and Forecasting Thunderstorms Producing Deep Surface Hail Accumulations. 38th Conference on Radar Meteorology. September 2017, Chicago, IL.

Aikins, J., Friedrich and R. Cifelli, 2017: Investigating Dynamical and Microphysical Mechanisms in a Squall Line that Interacted with Terrain During the IPHEx – NOAA HMT-SEPS Field Campaign in the Southern Appalachians. 38th Conference on Radar Meteorology. September 2017, Chicago, IL.

Wilczak, J., I. V. Djalalova, L. Bianco, J. B. Olson, J. Kenyon, R. Banta, L. K. Berg, J. Bickford, T. A. Bonin, A. Brewer, M. Brewer, S. Bustos-Ortola, A. Choukulkar, C. T. Clack, K. L. Clawson, A. Clifton, J. W. Cline, D. Cook, R. Coulter, R. Eckman, H. J. S. Fernando, Friedrich, E. P. Grimit, L. S. Leo, J. K. Lundquist, T. J. Martin, M. Marquis, J. McCaa, K. McCaffrey, P. Muradyan, M. Pekour, Y. Pichugina, W. J. Shaw, M. T. Stoelinga, and S. Wharton, 2017: Seasonal Dependence of RAP and HRRR NWP Forecast Errors During the Second Wind Forecast Improvement Project (WFIP2) Field Campaign. AMS 97th Annual Meeting, January 2017, Seattle, WA.

Yang, Q., K. Berg, J. B. Olson, J. S. Kenyon, M. Huang, L. Bianco, M. J. Brewer, A. Clifton, K. L. Clawson, I. V. Djalalova, R. M. Eckman, K. Friedrich, H. J. S. Fernando, J. K. Lundquist, L. Leo, V. R. Morris, M. Pekour, and J. Wilczak, 2017: The Sensitivity of the Predicted Hub-Height Winds to Land Surface and Boundary Layer Representation. AMS 97th Annual Meeting, January 2017, Seattle, WA.

 

2016

Bodine, D. J., K. L. Rasmussen, Friedrich, K. Kosiba, J. Wurman, and P. Kucera, 2016: Drop-size distribution measurements in Mesoscale Convective Systems during PECAN. 28th Conference on Severe Local Storms. November 2016, Portland, OR.

Bianco, L., K. McCaffrey, Friedrich, D. Cimini, J. Lundquist and J. Wilczak, 2016: Assessing atmospheric profiles from microwave radiometers and radio acoustic sounding systems. 18th International Symposium for Advancement of Boundary-Layer Remote Sensing, June 2016, Varna, Bulgaria.

Wilczak, J., R. Banta, L. Benjamin, S. Benjamin, L. Berg, L. Bianco, J. Bickford, A. Brewer, A. Choukulkar, K. Clawson, A. Clifton, J. Cline, D., Cook, I. Djalalova, H. Fernando, Friedrich, E. Grimmit, J. Kenyon, B. Kosovic, C. King, K. Lantz, C. Long, J. Lundquist, M. Marquis, J. McCaa, K. McCaffrey, S. Midya, V. Morris, J. Olson, Y. Pichugina, J. Sharp, M. Stoelinga, W. Shaw, K. Wade, S. Wharton, 2016: The Second Wind Forecast Improvement Project (WFIP2): Observations and Model Evaluation, 18th International Symposium for the advancement of Boundary-Layer Remote Sensing, Varna, 6–9 June, 2016, Bulgaria.

Lundquist, J. K., J. Wilczak, R. Ashton, L. Bianco, A. Brewer, A. Choukulkar, A. Clifton, M. Debnath, R. Delgado, Friedrich, W. S. Gunter, A. Hamidi, G. V. Iungo, A. Kaushik, B. Kosovic, P. Langan, A. Lass, E. Lavin, J. C. Y. Lee, K. McCaffrey, R. K. Newsom, D. C. Noone, S. P. Oncley, P. T. Quelet, S. P. Sandberg, J. L. Schroeder, W. Shaw, L. C. Sparling, C. St. Martin, A. St. Pé, E. J. Strobach, K. Tay, B. Vanderwende, A. M. Weickmann, D. Wolfe, and R. Worsnop, 2016: Assessing State-of-the-Art Capabilities for Probing the Atmospheric Boundary Layer: the XPIA Field Campaign, 22nd Symposium on Boundary Layers and Turbulence, 20–24 June, 2016, Salt Lake City, UT.

Wilczak, J., R. Banta, L. A. Benjamin, S. Benjamin, L. K. Berg, L. Bianco, J. Bickford, A. Brewer, A. Choukulkar, K. L. Clawson, A. Clifton, J. W. Cline, D. Cook, I. V. Djalalova, H. J. S. Fernando, Friedrich, E. P. Grimit, J. Kenyon, B. Kosovic, C. W. King, K. Lantz, C. N. Long, J. K. Lundquist, M. Marquis, J. McCaa, K. McCaffrey, S. Midya, V. R. Morris, J. B. Olson, Y. Pichugina, J. Sharp, M. T. Stoelinga, W. J. Shaw, K. Wade, and S. Wharton, 2016: The Second Wind Forecast Improvement Project (WFIP2): Observations and Model Evaluation, 22nd Symposium on Boundary Layers and Turbulence, 20–24 June, 2016, Salt Lake City, UT.

Bianco, L., K. McCaffrey, Friedrich, D. Cimini, J. K. Lundquist, and J. M. Wilczak, 2016: Assessing Atmospheric Profiles from Microwave Radiometers and Radio Acoustic Sounding Systems, 22nd Symposium on Boundary Layers and Turbulence, 20–24 June, 2016, Salt Lake City, UT.

Aikins, J., Friedrich, J. French, B. Geerts, R. Rauber, K. Kosiba, J. Wurman, R. Rasmussen, S. Tessendorf, 2017: SNOWIE: Seeded and Natural Orographic Wintertime clouds – the Idaho Experiment. Hydrological Science Symposium, April, Boulder, CO

Bianco , K. Friedrich, J. Wilczak, D. Hazen, D. Wolfe, R. Delgado, and J. Lundquist, 2016: Assessing Microwave Radiometer’s Retrievals and Radio Acoustic Sounding System’s Measurements for Wind Energy Applications. AMS 96th Annual Meeting, January 2016, New Orleans, LA.

Wilczak, J. M., J. W. Cline, R. M. Banta, L. Benjamin, S. Benjamin, L. K. Berg, L. Bianco, J. Bickford, A. Brewer, A. Choukulkar, K. L. Clawson, A. Clifton, D. Cook, I. V. Djalalova, H. J. S. Fernando, Friedrich, J. Kenyon, B. Kosovic, C. W. King, K. Lantz, C. Long, J. K. Lundquist, M. Marquis, J. McCaa, K. McCaffrey, V. R. Morris, J. B. Olson, Y. Pichugina, J. Sharp, W. J. Shaw, K. Wade, and S. Wharton, 2016: WFIP2 – The Second Wind Forecast Improvement Project: Observing Systems and Case Studies, 96th American Meteorological Society Annual Meeting, 10–14 January, 2016, New Orleans, LA.

Marquis, M., R. M. Banta, L. A. Benjamin, S. Benjamin, L. K. Berg, L. Bianco, J. Bickford, A. Brewer, A. Choukulkar, K. L. Clawson, A. Clifton, J. W. Cline, D. Cook, I. V. Djalalova, R. M. Eckman, H. J. S. Fernando, Friedrich, J. Kenyon, B. Kosovic, C. W. King, K. Lantz, C. Long, J. K. Lundquist, J. McCaa, K. McCaffrey, V. R. Morris, J. Olson, Y. Pichugina, J. Sharp, W. J. Shaw, K. Wade, S. Wharton, and J. M. Wilczak, 2016: WFIP2 – The Second Wind Forecast Improvement Project: Overview, 96th American Meteorological Society Annual Meeting, 10–14 January, 2016, New Orleans, LA.

Olson, J. B., J. S. Kenyon, J. Brown, J. M. Wilczak, J. W. Cline, R. M. Banta, S. G. Benjamin, L. Benjamin, L. K. Berg, W. J. Shaw, J. Bickford, L. Bianco, I. V. Djalalova, A. Choukulkar, Y. Pichugina, K. L. Clawson, R. M. Eckman, A. Clifton, R. Kotamarthi, M. Marquis, B. Kosovic, J. K. Lundquist, K. A. Lundquist, J. D. Mirocha, J. McCaa, M. T. Stoelinga, E. P. Grimit, J. Sharp, K. Lantz, C. Long, P. A. Jimenez, B. Ancell, C. Draxl, A. Brewer, D. Cook, Friedrich, H. J. S. Fernando, K. McCaffrey, C. W. King, S. Wharton, V. R. Morris, and K. Wade, 2016: WFIP2 – The Second Wind Forecast Improvement Project: Model Improvement Plans and Preliminary Results, 96th American Meteorological Society Annual Meeting, 10–14 January, 2016, New Orleans, LA

Livneh, B., Friedrich, R. Grossman, P. Blanken, and J. Huntington, 2016: Estimating reservoir evaporation: Evaluating current and future practices and pathways for research-to-operations. AMS 96th Annual Meeting, January 2016, New Orleans, LA.

 

2015

Wilczak, J., J. Cline, R. Banta, L. Benjamin, S. Benjamin, L. Berg, L. Bianco, J. Bickford, A. Brewer, A. Choukulkar, K. Clawson, A. Clifton, D. Cook, I. Djalalova, H. Fernando, Friedrich, J. Kenyon, B. Kosovic, C. King, M. Marquis, J. McCaa, K. McCaffrey, J. Olson, Y. Pichugina, J. Sharp, W. Shaw, K. Wade, S. Wharton, J. Lundquist, K. Lantz, C. Long, 2015: The Second Wind Forecast Improvement Project: Observing Systems And Case Studies, American Geophysical Union (AGU) Meeting, 14–18 December, 2015, San Francisco, CA.

Lundquist, J. K., Friedrich, J. C.-Y. Lee, P. T. Quelet, C. St. Martin, K. Tay, B. J. Vanderwende, R. Worsnop, W. J. Shaw, R. Newsom, J. Wilczak, L. Bianco, W. A. Brewer, A. Choukulkar, R. Banta, S. P. Sandberg, A. Weickmann, D. Wolfe, R. Delgado, L. Sparling, A. St. Pe, P. Langan, A. Lass, E. Lavin, E. Strobach, A. J. Clifton, J. Schroeder, S. Gunter, G. V. Iungo, R. Ashton, M. Debnath, A. Hamidi, S. P. Oncley, B. Kosovic: Overview of the DOE A2E eXperimental Planetary boundary layer Instrumentation Assessment (XPIA), WIndTech2015 International Conference on Future Technologies in Wind Energy, 19–21 October, 2015, London, ON, Canada.

Dawson II, T., G. H. Bryan, K. Friedrich, Y. Jung, E. R. Mansell, G. Romine, M. Xue, 2015: Comparison of observed and numerically-simulated rain drop size distributions in VORTEX2 supercells. 37th Conference on Radar Meteorology. September 2015, Norman, OK.

Schlueter, , W. Han, K. Friedrich, and A. Knohl, 2015: The Impact of Climate Modes and Precipitation on Tanzanian Maize Yield. Tropentag, September 2015, Berlin, Germany.

Bianco, L., Friedrich, J. Wilczak, D. Hazen, D. Wolfe, and J. Lundquist, 2015: Assessing microwave radiometer’s retrievals and radio acoustic sounding system’s measurements for wind energy applications. AMS 95th Annual Meeting. January 2015, Phoenix, Arizona.

2014

Kalina*, E. A., Friedrich, H. Morrison, and G. Bryan, 2014: Aerosol Effects on Simulated Supercell Thunderstorms in Different Environments. American Meteorological Society, 14th Conference on Cloud Physics, July 2014, Boston, MA.

Lundquist, J. K, E. S. Takle, M. Boquet, B. Kosovic, M. E. Rhodes, D. Rajewski, R. Doorenbos, S. Irvin, M. L. Aikin, K. Friedrich, P. T. Quelet, J. Rana, C. St Martin, B.Vanderwende, R. Worsnop, 2014: Lidar observations of interacting wind turbine wakes in an onshore wind farm. European Wind Energy Association, April 2014, Vienna, Austria.

Friedrich, K., J. Aikins*, B. Geerts, and J. Wurman, 2014: Effects of orographic convection on cloud and precipitation development in winter storms. 8th European Conference on Radar in Meteorology and Hydrology. September 2014, Garmisch-Partenkirchen, Germany.

 

2013

Friedrich, K., 2015: The Great Colorado Flood of 2013. Seminar at the National Snow and Ice Data Center, Boulder, CO.

Friedrich, K., J. Aikins*, and B. Geerts, 2013: Effects of orographic convection on cloud and precipitation development in winter storms. American Meteorological Society Conference on Radar Meteorology, September 2013, Breckenridge, CO.

Friedrich, K., J. Aikins*, and B. Geerts, 2013: Effects of orographic convection on cloud and precipitation development in winter storms. American Meteorological Society Conference on Mesoscale Meteorology, August 2013, Portland, OR.

Friedrich, K., and E. Kalina*, 2013: Drop-size distribution in thunderstorms measured by optical disdrometers during VORTEX2. VORTEX2 workshop, April 2013, Austin, TX.

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

Kalina*, A. E., Friedrich, S. M. Ellis, and D. W. Burgess, 2013: Comparison of disdrometer and X-band mobile radar observations in convective precipitation. American Meteorological Society 36th Conference on Radar Meteorology, September, 2013, Breckenridge, CO.

Kalina*, E. A., and Friedrich, 2013: Sensitivity of supercell thunderstorms to aerosol concentration and raindrop breakup. VORTEX2 workshop, April 2013, Austin, TX.

Dawson, D. T., G. H. Bryan, G. S. Romine, and K. Friedrich 2012: Characterizing raindrop size distributions in supercell hook echoes: results from VORTEX 2. American Meteorological Society Conference on Severe Local Storms, November 2012, Nashville, TA.

 

2012

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

Friedrich, K., E. Kalian*, F. Masters, and C. Lopez*, 2012: Drop-size distribution in thunderstorms measured by optical disdrometers during VORTEX2. American Meteorological Society Conference on Severe Local Storms, November 2012, Nashville, TA.

Friedrich, K., J. K. Lundquist, M. Aitken, E. A. Kalina*, and R. F. Marshall, 2012: Stability and turbulence in the atmospheric boundary layer: A comparison of remote sensing and tower observations. AWEA Wind Resource & Project Energy Assessment Seminar, September 2012, Pittsburgh, PA.

Friedrich, K., B. Geerts, E. Kalina*, K. Kosiba, and J. Wurman, 2012: Effects of atmospheric conditions and cloud seeding on orographic snowfall characteristics during the ASCII experiment. American Meteorological Society 15th Conference on Mountain Meteorology, August 2012, Steamboat, CO.

Friedrich, K., J. K. Lundquist, M. Aitken, E. A. Kalina*, and R. F. Marshall, 2012: Stability and turbulence in the atmospheric boundary layer: A comparison of remote sensing and tower observations. American Meteorological Society 20th Symposium on Boundary Layer Turbulence, July 2012, Boston, MA.

Friedrich, K., E. A. Kalina*, J. V. Rudolph*, and C. Helfenbein*, 2012: SCOOP – Study of COnvective and Orographic Precipitation along the Colorado Front Range. Orographic Precipitation and Climate Change workshop, March 2012, Boulder, CO.

Friedrich, K., J. V. Rudolph*, U. Germann, and M. Boscacci, 2012: Precipitation trends in the European Alps – Current and future effects on Swiss river basins. ATOC Seminar, March 2012, Boulder, CO.

Friedrich, K., J. V. Rudolph*, U. Germann, and M. Boscacci, 2012: Precipitation trends in the European Alps – Current and future effects on Swiss river basins. National Center for Atmospheric Research Seminar, February 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.