Over the past forty years, the Cloud and Aerosol Research Group (CARG) has written a number of Research Reports, which describe various aspects of its research in more detail than is normally possible in formal publications. In the past, these reports have had limited distribution and only as hard copies. To provide more ready access to these reports, they are now available online.
The reports are listed chronologically below, and may be accessed by clicking on the appropriate title.
1966
"Preliminary Report on a Field Research Program Carried out in the Olympic Mountains of Washington State" by P. V. Hobbs, W. D. Scott, J. E. Dye, and D. A. Burrows, April 1966. Research Report I. (prelim_rsrch_olympics.pdf)
1968
"Field Research in Cloud Physics in the Olympic Mountains, Winter 1967–68" by P. V. Hobbs, W. D. Scott, D. A. Burrows, L. F. Radke, and J. D. Locatelli, September 1968. Research Report II. (research_olympic_mtns.pdf)
1969
"Cascades Atmospheric Water Resources Program," 1969. Annual Report prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-06-D-5970. (cawrp_annual_report.pdf)
"Results of Aircraft Measurements in Winter Storms (1968–69) Over the Cascade Mountains" by P. V. Hobbs and B. F. Ryan, September 1969. Research Report III. (cascades_winter_results.pdf)
"Use of Radar in the Study of Winter Storms Over the Cascade Mountains" by D. A. Wilson and P. V. Hobbs, December 1969. Research Report IV. (cascades_radar_winter.pdf)
1970
"Studies of Artificially Seeded and Unseeded Winter Storms Over the Cascade Mountains (1969–70)" by P. V. Hobbs, L. F. Radke, J. Locatelli, C. Robertson, R. Farber, and D. A. Burrows, June 1970. Research Report V. (cascades_winter_seed.pdf)
"Cascades Atmospheric Water Resources Program," Supplemental Final Report Prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-08-D-5970, December 10, 1968 to June 10, 1970. ["Studies of Artificially Seeded and Unseeded Winter Storms Over the Cascade Mountains (1969–70)" by P. V. Hobbs, L. F. Radke, J. Locatelli, C. Robertson, R. Farber, and D. A. Burrows, June 1970. Research Report V.] (cawrp_sup_final_report.pdf)
"Microphysics of Clouds," Notes for Nine Lectures given by Prof. P. V. Hobbs at the Advanced Study Symposium on the "Microphysics and Dynamics of Convective Clouds" organized by the National Center for Atmospheric Research and held at NCAR, Boulder, CO, from July 6 to August 18, 1970. Review Articles II. (microphys_of_clouds.pdf)
1971
"Studies of Winter Cyclonic Storms Over the Cascade Mountains (1970–71)" by P. V. Hobbs, L. F. Radke, A. B. Fraser, J. D. Locatelli, C. E. Robertson, D. G. Atkinson, R. J. Farber, R. R. Weiss, and R. C. Easter, December 1971. Research Report VI. (winter_cyclonic.pdf)
1972
"Field Observations and Theoretical Studies of Clouds and Precipitation Over the Cascade Mountains and Their Modifications by Artificial Seeding (1971–72)" by P. V. Hobbs, L. F. Radke, J. D. Locatelli, D. G. Atkinson, C. E. Robertson, R. R. Weiss, F. M. Turner, and R. R. Brown, December 1972. Research Report VII. (cascades_seed_study.pdf)
"Cascades Atmospheric Water Resources Program," January 1 to June 30, 1973. Interim Report prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-06-D-6999. (cawrp_vol_interim.pdf)
1974
"The Structure of Clouds and Precipitation Over the Cascade Mountains and their Modification by Artificial Seeding (1972–73)" by P. V. Hobbs, L. F. Radke, R. R. Weiss, D. G. Atkinson, J. D. Locatelli, K. R. Biswas, F. M. Turner, and C. E. Robertson, December 1974. Research Report VIII. (cascades_seed_struct.pdf)
"The Dynamical and Microphysical Structure of an Occluded Front and its Modification by Orography" by P. V. Hobbs, R. A. Houze Jr., T. J. Matejka, L. F. Radke, D. G. Atkinson, and R. R. Weiss, December 1974. Research Report IX. (occluded_front.pdf)
1975
"Airborne Measurements and Observations in Cirrus Clouds" by P. V. Hobbs, L. F. Radke, and D. G. Atkinson, January 10, 1975. Scientific Report No. 1 (AFCRL-TR-75-0249) for Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, Hanscom AFB, MA. (cirrus_clouds_rp1.pdf)
"Airborne Ice Nucleus and Cloud Microstructure Measurements in Natural and Artificially Seeded Situations over the San Juan Mountains of Colorado" by P. V. Hobbs, L. F. Radke, J. R. Fleming, and D. G. Atkinson, April 1975. Scientific Report to the United States Department of the Interior, Bureau of Reclamation, Division of Atmospheric Water Resources Management. (colorado_seeding.pdf)
"Cascades Atmospheric Water Resources Program," Vol. I. Final Report prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-06-D-6999, July 1, 1970-June 30, 1975. (cawrp_vol_1.pdf)
"Cascades Atmospheric Water Resources Program," Vol. II. Final Report prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-06-D-6999, July 1, 1970-June 30, 1975. (cawrp_vol_2.pdf)
"Cascades Atmospheric Water Resources Program," Vol. III. Final Report prepared for U.S. Department of the Interior, Bureau of Reclamation, under Contract No. 14-06-D-6999, July 1, 1970-June 30, 1975. (cawrp_vol_3.pdf)
"Radar and Airborne Studies of Rainbands Associated with Fronts in the Pacific Northwest" by W. M. Davis and P. V. Hobbs, November 18, 1975. Scientific Report No. 2 (AFCRL-TR-75-0621) for Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, Hanscom AFB, MA. (rain_fronts_nw_rp2.pdf)
1976
"Dynamical and Microphysical Structures of Cyclonic Storms in the Pacific Northwest (THE CYCLES PROJECT)" by P. V. Hobbs, R. A. Houze Jr., J. D. Locatelli, P. H. Herzegh, D. G. Atkinson, L. F. Radke, R. R. Weiss, and K. R. Biswas, May 1976. Research Report XI. (cycles.pdf)
"Reactions of Nitrogen Oxides, Ozone and Sulfur in Power Plant Plumes" by D. A. Hegg, P. V. Hobbs, and L. F. Radke, September 1976. Final Report prepared for Electric Power Research Institute, EPRI EA-270 (Final Report of Research Project 572-3 and Interim Report of Research Project 330-1). (react_no_o_so2_power.pdf)
1977
"Aerosol over the High Plains of the United States" by P. V. Hobbs, D. A. Bowdle, and L. F. Radke, February 1977. Research Report XII, Final Report to the Division of Atmospheric Water Resources Management, Bureau of Reclamation, U.S. Dept. of Interior, under Contract No. 14-06-D. (aerosol_high_plains.pdf)
"The State of Washington's Emergency Cloud Seeding Program (February–June, 1977)" prepared by P. V. Hobbs, July 1977. Brief Report. (emerg_seeding_prog.pdf)
"Tracer and Diffusion and Cloud Microphysical Studies in the American River Basin" by A. L. Rangno, P. V. Hobbs, and L. F. Radke, August 1977. Final Report to the Division of Atmospheric Water Resources Management, Bureau of Reclamation, under Contract 6-07-DR-20140. (american_river_cloud.pdf)
"Cloud
Physics and Aerosol Studies for the Hiplex in Montana (Summer 1976)"
by P. V. Hobbs, L. F. Radke, M. K. Politovich, and D. A. Bowdle, September
1977. Annual Report to the Division
of Atmospheric
Water Resources Management, Bureau of Reclamation, under Contract 6-07-DR-20110.
(hiplex_montana.pdf)
1978
"Airborne Studies of Atmospheric Aerosol in the High Plains and the Structures of Natural and Artificially Seeded Clouds in Eastern Montana," P. V. Hobbs, M. K. Politovich, D. A. Bowdle and L. F. Radke, December 1978. Research Report XIII, Final Report to the Division of Atmospheric Water Resources Management, Bureau of Reclamation, U.S. Dept. of Interior, under contract No. 6-07-DR-20110. (seeding_east_montana.pdf)
"Airborne Measurements of Emissions from the Controlled Burning of Forest Slash" by P. V. Hobbs, J. L. Stith, and L. F. Radke, December 1978. Report to the Weyerhaeuser Company. (forest_slash_data.pdf)
1979
"Measurements of the Particles and Gases in the Ground Cloud from an Atlas/Centaur Rocket" by L. F. Radke, M. W. Eltgroth, D. A. Hegg, and P. V. Hobbs, February 1979. Research Report XIV, Final Report to the Argonne National Laboratory under Contract No. 37-109-38-4890. (atlas_centaur_rocket.pdf)
"Airborne Measurements in the Column and Ground Cloud from a Titan III Rocket" by L. F. Radke, P. V. Hobbs, and M. W. Eltgroth, March 1979. Research Report XV, Final Report to the U.S. Dept. of the Navy under Contract No. N60530-79-C-0033. (titan_3_rocket.pdf)
"Extratropical Cyclones Progress and Research Needs," Seattle, WA, September 10-12, 1979. Report of a Workshop on Extratropical Cyclones. (extratropical_cyclones.pdf)
1980
"A Preliminary Report of Airborne Studies by the University of Washington of the Effluents from the Mt. St. Helens Volcanic Eruptions" by P. V. Hobbs, L. F. Radke, M. W. Eltgroth, and D. A. Hegg, June 12, 1980. (st_helens_volcano.pdf)
1981
"Airborne and Radar Studies of the Effects of Dry Ice Seeding on Clouds and Precipitation in Washington State," prepared by P. V. Hobbs, February 11, 1981. Final Report for the Pacific Northwest Regional Commission (Contract 10990127), Bonneville Power Administration (Contract DE-AC79-80BP18278) and National Science Foundation (Grant ATM-79-00948). (dryice_seeding_wa.pdf)
"Visibility Studies in the Region of San Juan Coal-Powered Electric-Generating Plant," P. V. Hobbs and M. W. Eltgroth, March 24, 1981. Final Report from the University of Washington to the Public Service Company of New Mexico Under Contract No. SJ-CS-155. (sanjuan_coal_power.pdf)
1982
"Visibility Studies at the Four Corners Power Plant" by P. V. Hobbs, M. W. Eltgroth, and D. A. Hegg, January 12, 1982. Final Report to the Arizona Public Service Company for Contract EC79-2929-001.80. (four_corners_power.pdf)
"Plume Chemistry Study in the Vicinity of the Arizona Public Service Cholla Power Plant," by P. V. Hobbs, D. A. Hegg, and M. W. Eltgroth, January 1982. Final Report to the Public Service Company of Arizona Under Contract EC80-3438-011.80. (final_report_cholla.pdf)
"A Preliminary Study of Sources of Pollution Affecting Regional Air Quality and Visibility in the Mojave Desert and the National Parks of the Southwestern United States," P. V. Hobbs, C. S. Glantz, D. A. Hegg, and M. W. Eltgroth, April 1982. Annual Report to Southern California Edison Company for P.O. Number B2618901. (airq_mojave_parks.pdf)
1983
"Airborne Monitoring and Smoke Characterization of Prescribed Fires on Forest Lands in Western Washington and Oregon," L. F. Radke, J. H. Lyons, D. A. Hegg, and P. V. Hobbs, April 1983 (corrected version). Final Report to Lockheed-EMSCO, Project Numbers AM526 and AM680. (usforest_fires_83.pdf)
"Particle Formation and Growth in Power Plant Plume: Volumes 1-2" by P. V. Hobbs, M. W. Eltgroth, D. A. Hegg, and L. F. Radke, May 1983. Final Report prepared for Electric Power Research Institute, EA-3105, Volumes 1-2, Research Project 330-1. (part_growth_power_sum.pdf)
"Particle Formation and Growth in Power Plant Plumes, Volume 1: Field Observations and Theoretical Studies of the Evolution of Particles in the Plumes from Coal-Fired Electric Power Plants" by P. V. Hobbs, M. W. Eltgroth, D. A. Hegg, and L. F. Radke, May 1983. Final Report prepared for Electric Power Research Institute, EA-3105, Volume 1, Research Project 330-1. (part_growth_power_vol1.pdf)
"Particle Formation and Growth in Power Plant Plumes, Volume 2: Some Coal-Fired Power Plants in the Western United States" by P. V. Hobbs, M. W. Eltgroth, D. A. Hegg, and L. F. Radke, May 1983. Final Report prepared for Electric Power Research Institute, EA-3105, Volume 2, Research Project 330-1. (part_growth_power_vol2.pdf)
"The Effects of a Coal-Fired Power Plant on Regional Air Quality" by W. R. Poteet, D. A. Hegg, and P. V. Hobbs, December 1983. Supplemental Annual Report to Southern California Edison Company for P.O. Number B2618901. (mohave_plume_83.pdf)
1984
"Field Studies of the Plume from the Mohave Coal-Fired Power Plant" by D. A. Hegg and P. V. Hobbs, August 1984. Annual Report for 1983 to Southern California Edison Company for P.O. Number B2618901. (mohave_plume_84.pdf)
1985
"An Airborne Study of the Chemistry and Visual Impact of the Mohave Plume: 1983 Field Program" by D. Schutt, D. A. Hegg, A. Hendler, and P. V. Hobbs, September 1985. Annual Report for 1984 to Southern California Edison Company for P.O. Number B2618901. (mohave_plume_85.pdf)
1986
"Preliminary Analysis and Integration of Flight-Level and Lidar Data Taken by the University of Washington During AGASP II" by L. F. Radke, C. A. Brock, J. H. Lyons, and P. V. Hobbs, October 1986. Final Report to the National Oceanic and Atmospheric Administration under Requisition NO-NRMGC400640559. (agasp_prelim_lidar.pdf)
"Studies of the Mechanisms and Rates with which Nitrogen Species are Incorporated into Cloud Water and Precipitation" by D. A. Hegg and P. V. Hobbs, October 1986. Second Annual Report on Project CAPA-21-80 to the Coordinating Research Council. (nitrogen_spec_report2.pdf)
"Numerical Modeling of Cloud and Precipitation Chemistry Associated with Frontal Rainbands " by D. A. Hegg and P. V. Hobbs, November 1986. Second Annual Report to the Electric Power Research Institute under Research Agreement RP1630-45. (precip_chem_bands_86.pdf)
1987
"Airborne Measurements of Atmospheric Trace Constituents in the Grand Canyon Region" prepared by R. J. Ferek, D. A. Hegg, P. V. Hobbs, and M. Orphan, December 1987. Annual Report for Southern California Edison Company under P.O. Number C1505906 and Final Report to the Salt River Project under P.O. Number VN03548DEK. (grand_canyon_trace.pdf)
"Studies of the Mechanisms and Rates with Which Nitrogen Species are Incorporated into Cloud Water and Precipitation" by D. A. Hegg and P. V. Hobbs, December 1987. Final Report on Project AP-7(1-86) to the Coordinating Research Council. (nitrogen_spec_final.pdf)
1988
"Numerical Modeling of Cloud and Precipitation Chemistry Associated with Frontal Rainbands and Comparisons with Field Measurements" by D. A. Hegg and P. V. Hobbs, June 1988. Third Annual Report to the Electric Power Research Institute under Research Agreement RP1630-45. (precip_chem_bands_87.pdf)
"Preliminary Evaluations of the use of a 35 GHz Radar for Measuring Cloud Base and Cloud Top Heights" by K. R. Biswas and P. V. Hobbs, June 6, 1988. Final Report (AFCRL-TR-88-0098) for Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, Hanscom AFB, MA. (prelim_35GHZ_radar.pdf)
"Cloud and Precipitation Scavenging Processes in the South Coast Air Basin" by D. A. Hegg and P. V. Hobbs, November 8, 1988. Executive Summary to the California Air Resources Board under Agreement No. A4-143-32. (calif_air_exec_sum.pdf)
"Cloud and Precipitation Scavenging Processes in the South Coast Air Basin" by D. A. Hegg and P. V. Hobbs, November 8, 1988. Final Report to the California Air Resources Board under Agreement No. A4-143-32. (calif_air_final.pdf)
"Airborne Measurements of Sulfur and Nitrogen During the 1986 Mohave Plume Intensive Study" by R. J. Ferek and P. V. Hobbs, December 1988. Annual Report for 1988 to the Desert Research Institute under Contract No. 54090. (mohave_plume_88.pdf)
"A Collection of Papers on Polar Aerosols by the Cloud and Aerosol Research Group: 1970-1988" by Cloud and Aerosol Research Group, December 8, 1988. (papers_polar_aerosol.pdf)
1989
"Field Test of a New Lidar System at White Sands" by L. F. Radke, C. A. Brock, and P. V. Hobbs, June 16, 1989. Final Report to the U.S. Army White Sands Missile Range under Contract No. ASL89-8016. (whitesands_final.pdf)
"Rawinsonde Data and Synoptic Analysis for Hill and Hornepayne Prescribed Fires: Ontario, Canada, August 1989" by A. L. Rangno and L. F. Radke, October 1989. Final Report on Rawinsonde Task to USDA Forest Service in Conjunction with Agreement No. INT 89426-RJVA. (hill_hornepayne_raw.pdf)
"Rawinsonde Data and Synoptic Analysis for Battersby and Peterlong Prescribed Fires: Ontario, Canada, August 1988" by L. F. Radke, J. D. Locatelli, and A. L. Rangno, October 1989. Final Report on Rawinsonde Task to USDA Forest Service in Conjunction with Agreement No. PSW-87-0020CA. (battersby_peterlong_raw.pdf)
"Airborne Observations of the Emissions from the Mabel Lake Biomass Fire" by L. F. Radke, D. A. Hegg, J. D. Nance, D. Spurgeon, K. Laursen, H. Terry, and J. H. Lyons, December 1989. Research on the Smoke Plume Evaluation and Monitoring Project supported in part by funds provided by the British Columbia Ministry of Forestry and the Intermountain Research Station, Forest Service, U.S. Department of Agriculture. (mablelake_fire.pdf)
1990
"Airborne Monitoring and Smoke Characterization of Prescribed Fires on Forest Lands in Western Washington and Oregon: Final Report" by L. F. Radke, J. H. Lyons, P. V. Hobbs, D. A. Hegg, D. V. Sandberg, and D. E. Ward, Gen. Tech. Rep. PNW-GTR-251, Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 81 p., March 1990. (usforest_fires_90.pdf)
"Airborne Observations of Biomass Fires" by L. F. Radke, D. A. Hegg, J. D. Nance, J. H. Lyons, K. K. Laursen, R. J. Ferek, P. V. Hobbs, R. E. Weiss, and R. A. Rasmussen, Revised April 8, 1990. Final Report to the National Institute of Standards and Technology. (biomass_fires.pdf)
"Summary of Airborne Data Collected from the University of Washington's Convair C-131A Research Aircraft in Maritime Cumuliform Clouds off and Near the Washington Coast Between 30 January 1987 and 14 March 1990" by P. V. Hobbs and A. L. Rangno, September 1990. (maritime_87_90.pdf)
1991
"Description of Lidar Data Obtained in 1990 at the White Sands Missile Range" by L. F. Radke, D. J. Coffman, C. A. Brock, and P. V. Hobbs, March 1991. Final Report to National Oceanic and Atmospheric Administration under Contract No. NOAA 40RANR101103 with support provided by U.S. Army Atmospheric Sciences Laboratory, White Sands, New Mexico. (whitesands_lidar.pdf)
"Airborne Studies of the Emissions from the Redoubt Volcano, Alaska, 1990" by P. V. Hobbs, L. F. Radke, J. H. Lyons, R. J. Ferek, C. A. Brock, and D. J. Coffman, April 1991. Final Report to MIT Lincoln Laboratory for Contract BX-3703 and National Oceanographic and Atmospheric Administration for Agreement Nos. NA85ABH0031 and NA90RAH00073. (redoubt_final.pdf)
"Airborne Studies of the Smokes from a Boreal Biomass Fire in Alaska, 1990" by L. F. Radke, P. V. Hobbs, J. D. Nance, K. K. Laursen, R. J. Ferek, D. A. Hegg, and R. E. Weiss, April 1991. Final Report to Intermountain Research Station, Forest Service, U.S. Department of Agriculture, for #INT-89426-RJVA, July 1, 1990, through November 30, 1990. (boreal_fire.pdf)
"Numerical Modeling of Cloud Chemistry and Acid Deposition Associated with the Interactions of Two Rainbands and some Comparisons with Observations" by M. C. Barth, D. A. Hegg, and P. V. Hobbs, June 1991. Final Report to the Electric Power Research Institute under Research Agreement RP1630-45. (chem_aciddepo.pdf)
1992
"Transcriptions of In-Flight Comments and Aircrew Debriefings for Research Flights to Study the Smoke from the 1991 Kuwait Oil Fires" assembled by P. V. Hobbs, March 1992. (kuwait_transcripts.pdf)
"Summary of Airborne Data Collected from the University of Washington's Convair C-131A Research Aircraft in Continental and Semi-Continental Cumuliform Clouds in Washington State Between 27 April 1989 and 12 March 1992" by P. V. Hobbs and A. L. Rangno, April 1992. (cumuliform_cont_sum.pdf)
"Airborne Observations of Emissions from the Clearwater Biomass Fires" by A. P. Waggoner, P. V. Hobbs, D. A. Hegg, J. D. Nance, and R. E. Weiss, June 4, 1992. (clearwater_obs.pdf)
1993
"Airborne Measurements During Leadex by the University of Washington C-131A During April, 1992" by A. P. Waggoner, in Leadex Data Report: Part 3 "Leadex Aircraft Data and Flight Summaries: March 30–April 23, 1992," Navel Research Laboratory Technical Note, p. 165-261, October 1993. (leadex_part_3.pdf)
1994
"Final Report to the Boeing Company for Purchase Contract No. HV1881" by A. P. Waggoner and P. V. Hobbs, January 11, 1994. (purchase_hv1881.pdf)
"C-131A Flights for SCAR-C, September 21–October 4, 1994: Flight Summaries, Position Plots, and Voice Transcriptions" assembled by P. V. Hobbs, October 1994. (scarc_flights.pdf)
1995
"Airborne Sampling of Smoke Emissions from the Controlled Burn of 20,000 Gallons of Crude Oil During Open Ocean Conditions off Newfoundland" by R. J. Ferek, J. L. Ross, and P. V. Hobbs, March 1995. Final Report to the State of Alaska Department of Environmental Conservation. (newfoundland_oil.pdf)
"University of Washington Flight Scenarios for the Convair C-131A in Alaska (June 3–15, 1995)" by P. V. Hobbs, May 1995. (scenario_alaska_c131.pdf)
"Flight Summaries, Aircraft Position Plots, and Transcriptions of In-Flight Voice Recordings for the Convair C-131A in the Cloud, Aerosol and Radiation Arctic Field Experiment (CARAFE) June 3–15, 1995" (ARCAS), prepared by P. V. Hobbs, June 1995. (carafe.pdf)
1996
"Summary of Types of Data Collected on the University of Washington's Convair C-131A Aircraft in the Smoke, Clouds and Radiation-Brazil (SCAR-B) Field Study from 17 August–20 September 1995" compiled by P. V. Hobbs, March 1996. (scarb_summary.pdf)
"Summary of Types of Data Collected on the University of Washington's Convair C-131A Aircraft in the Tropospheric Aerosol Radiative Forcing Observational Experiment (TARFOX) on the East Coast of the United States from July 1—31, 1996" compiled by P. V. Hobbs, October 1996. (tarfox_summary.pdf)
1997
Comprehensive Reply by A. L. Rangno and P. V. Hobbs to "Comments on 'A New Look at the Israeli Cloud Seeding Experiments'" by D. Rosenfeld, May 1997, unpublished. (Brief Reply was in J. Appl. Meteor., 36, 272-276, 1997.) (1997_comments_seeding.pdf)
1998
"An Examination of the CAR Group's Processing of PMS Optical Array Probe Data Through 1997 (PMS OAP-200X and OAP-2D-C)" by S. R. Strader, January 1998. (pms_probe_study.pdf)
"University of Washington Flight Scenarios for the Convair-580 in the Arctic (15 May–26 June 1998)" assembled by P. V. Hobbs, April 1998. (scenario_arctic_cv580.pdf)
"Summary of Flights and Types of Data Collected on the University of Washington's (UW) Convair-580 Aircraft in the FIRE-ACE/SHEBA Project in the Arctic from 19 May Through 24 June 1998" by P. V. Hobbs, December 1998. (FIRE-ACE.pdf)
1999
"University of Washington Flight Scenarios for the Convair-580 in KWAJEX (Kwajalein, Marshall Islands): 25 July–15 September 1999" by P. V. Hobbs, June 1999. (kwaj_flight_scenario.pdf)
"Calibration of Liquid Water Probes from the University of Washington's CV-580 Aircraft at the Canadian NRC Wind Tunnel" by T. Garrett, and P. V. Hobbs, November 1999. (calib_liquid_water.pdf)
2000
"Summary of University of Washington Convair-580 Research Flights for KWAJEX/TRMM in the Marshall Islands (25 July–15 September 1999)" by P. V. Hobbs, January 2000. (kwaj_summary.pdf)
"SAFARI-2000 University of Washington Flight Scenarios" compiled by P. V. Hobbs, July 2000. (SAFARI.fs.all.pdf)
2001
"Summary of Flights and Types of Data Collected Aboard the University of Washington's Convair-580 Research Aircraft in the SAFARI-2000 Field Study in Southern Africa from 10 August Through 18 September 2000" compiled by P. V. Hobbs, January 2001. (SAFARI-MASTER-02.01.pdf)
"Operations Manual for IMPROVE Phase I: Washington Offshore Frontal Study 4 January–14 February 2001" assembled by M. Stoelinga, J. Locatelli, P. Hobbs, and C. Mass, January 2001. (improve_1_opman.pdf)
"University of Washington Convair-580 Operation Plans for CLAMS" by P. V. Hobbs, June 2001. (CLAMS.OpsPlans.pdf)
"Operations Manual for IMPROVE-2 Oregon Cascades Orographic Study 26 November–22 December 2001" assembled by M. T. Stoelinga, P. V. Hobbs J. D. Locatelli, and C. F. Mass, November 2001. (improve2_opsman_final_noph.pdf)
"Summary of Flights and Types of Data Collected Aboard the University of Washington's Convair-580 Research Aircraft in the CLAMS Field Study on the United States East Coast from 10 July Through 2 August 2001" compiled by P. V. Hobbs, November 2001. (CLAMS-MASTER.pdf)
2002
"Summary of Flights and Types of Data Collected Aboard the University of Washington's Convair-580 Research Aircraft in IMPROVE-I (Frontal Studies) (4 January–14 February 2001)" compiled by P. V. Hobbs, June 2002. (IMPROVE-1-Report.pdf)
"Summary of Flights and Types of Data Collected Aboard the University of Washington's Convair-580 Research Aircraft in IMPROVE-II: Orographic Studies (26 November–22 December 2001)" compiled by P. V. Hobbs, July 2002. (IMPROVE2-MASTER.pdf)