Cloud Physics - Hail

Table of Contents 

 Journal publications 
 Conference papers 
 Scientific reports
a) Refereed journal publications

Admirat, P., G.G. Goyer, L. Wojtiw, E.A. Carte, D. Roos, and E.P. Lozowski, 1985: A comparative study of hailstorms in Switzerland, Canada and South Africa, J. of Climatology, 5, 35-51.

Barge, B.L., and G.A. Isaac, 1973: The shape of Alberta hailstones. J. Rech. Atmos., 1, 11-20.

Beattie, A.G., and E.P. Lozowski, 1976: Determining the kinematics of falling hailstones using photogrammetric methods with imprecisely aligned cameras. The Photogrammetric Record, 8, No. 48, pp.781-793.

Cheng, L., 1987: An attempt to normalize the hailstorm variability for the evaluation of cloud seeding effects. J. Clim. Appl. Meteor., 26, 443-456.

Cheng, L., and M. English, 1983: A relationship between hailstone concentration and size. J. Atmos. Sci., 40, 204-213.

Cheng, L., and D.C. Rogers, 1988: Hailfalls and hailstorm feeder clouds - An Alberta case study. J. Atmos. Sci., 45, 3533-3545.

Cheng, L., M. English, and R. Wong, 1985: Hailstone size distributions and their relationship to storm thermodynamics, J. Clim. Appl. Meteor., 37, 812-826.

Deibert, R.J., 1984: An overview of weather modification activities in Alberta. JWMA, 16, 66-72.

Douglas, R.H., and W. Hitschfeld, 1959: Patterns of hailstorms in Alberta. Qtrly. J. Royal Meteor. Soc., 85, 105-119.

Douglas, R.H., 1960: Observations of Alberta hailstorms. Cumulus Dynamics, New York, Pergaman Press, 145-147.

Douglas, R.H., 1963: Recent hail research: a review. Meteor. Monogr., 5, No. 27, 157-167.

English, M., 1973: Growth of large hail in the storm. Alberta Hailstorms, Part II, Meteor. Monogr., 14, No. 36, 37-98.

English, M., 1975: Numerical model predictions for the Alberta Hail Project, JWMA, No. 2, 43-49.

English, M., C. Warner, and W. Hitschfeld, 1972: Observations and theory of a hailstorm. J. Rech. Atmos., 6, 141-153.

Farley, R.D., 1987: Numerical modelling of hailstorms and hailstone growth. Part III: Simulation of an Alberta Hailstorm - Natural and Seeded Cases. J. Appl. Meteor., 26, 789-812.

Goyer, G.G. 1975: Overall strategy for the evaluation of a hail suppression experiment; J. Rech. Atmos., IX, 49-57.

Goyer, G.G. 1977: Response to "The climatology of hail in North America" Meteor. Monogr., 38., 129-133.

Goyer, G.G. 1978: The hailstorm giant, Bull. Amer. Meteor. Soc., 59, 429.

Goyer, G.G. 1978: The difficulties and applications of hailfall measurements; Atmosphere-Ocean, 16, 2-5.

Goyer, G.G. 1978: The First International Workshop on Hailfall Measurements, Banff, Alberta, Canada, 22-26 October, 1977; Bull. Amer. Meteor. Soc., 59, 297-298.

Grandia, K.L., 1975: The Alberta Hail Project Research aircraft systems and capabilities. JWMA, 7, 171-176.

Grandia, K.L., 1976: Seeding clouds at surface, cloud base and cloud top. JWMA, 8, 29-32.

Grandia, K.L., and D.S. Davison, 1977: Increases in silver iodide attributable to ground generators: Highlights of the 1975 Alberta ground generator experiment. JWMA, 8, 57-65.

Hitschfeld, W., and R.H. Douglas, 1963: A theory of hail growth based on studies of Alberta storms. J. Appl. Math. and Phy. (ZAMP), 14, 554-562.

Hitschfeld, W., and M. Stauder, 1967: The temperature of hailstones, J. Atmos. Sci., 24, 293-297.

Hitschfeld, W.F., 1973: Hail, science and politics, Atmosphere, 11, 189-194.

Isaac, G.A., and R.H. Douglas, 1971: Frequency distributions of ice nucleus concentrations. J. Rech. Atmos., 5, 1-4.

Isaac, G.A., and R.H. Douglas, 1972: Another "time lag" in the activation of atmospheric ice nuclei. J. Appl. Meteor., 11, 490-493.

Isaac, G.A., and R.H. Douglas, 1973: Ice nucleus concentrations at -20C during convective storms. J. Appl. Meteor., 12, 1183-1190.

Knight, N.C., and M. English, 1980: Patterns of hailstone embryo type in Alberta hailstorms. J. Rech. Atmos., 14, 325-332.

Krauss, T.W., and J.D. Marwitz, 1982: Precipitation processes within an Alberta supercell hailstorm. J. Atmos. Sci., 41, 1025-1034.

Longley, R. W., and C.E. Thompson, 1965: A study of the causes of hail. J. Appl. Meteor., 4, 69-82.

Lozowski, E.P., 1975: An Alberta weather modification survey. The Albertan Geographer, 11, 1-11.

Lozowski, E.P., M.M. Oleskiw, and T.M. Morrow, 1975: Hail photography: An example of the use of high-speed techniques under adverse conditions. J. Soc. Mot. Pic. and Tel. Eng., 84, 18-23

Lozowski, E.P., and G.S. Strong, 1978: On the calibration of hailpads. J. Appl. Meteor., 17, 521-528.

Lozowski, E.P., and Strong, G.S., 1978: Further reflections on the calibration of hailpads. Atmosphere-Ocean, 16, 69-80.

Lozowski, E.P., R. Erb, L. Wojtiw, G.S. Strong, R. Matson, A. Long, D. Vento, and P. Admirat, 1978: The hail sensor intercomparison experiment. Atmosphere-Ocean, 16, 94-106.

Marshall, J.S., 1961: Inter-relation of the fall speed of rain and the updraft rates in hail formation. Nubila, Anno IV, 59-62.

Marshall, J.S., and W. Hitschfeld, 1973: A source of hail embryos. Atmosphere, 11, 195-196.

McCormack. M., 1974: Alberta's fight to reduce hail damage. Can. Geogr. J., 89, 30-39.

Pakiam, J.E., and J. Maybank, 1969: A preliminary survey of some lightning-hailstorm relationships. Atmosphere, 7, 131-143.

Pakiam, J.E., and J. Maybank, 1975: The electrical characteristics of some severe hailstorms in Alberta. J. of the Meteor. Society of Japan, 53, 363-383.

Paul, A.H., 1968: Regional variations in two fundamental properties of hailfall. Weather, 23, 424-429.

Paul, A.H., 1969: An analysis of surface hailfall reports in southern Alberta. The Albertan Geographer, 5, 44-54.

Paul, A.H., 1973: The heavy hail of 23-24 July, 1971 on the Western Prairies of Canada. Weather, 28, 463-471.

Paul, A.H., 1982: The thunderstorm hazard on the Canadian prairies. Geoforum, 13, 275-288.

Petersen, T.A., 1975: An analysis of thirteen years of commercial hail suppression in Central Alberta. JWMA, 7, 153-170.

Renick, J.H., 1973: Tornado! A picture story. The Albertan Geographer, 9, 38-39.

Renick, J.H., 1975: The Alberta Hail Project: Update 1975. JWMA, 7, 1-6.

Renick, J.H., and Maxwell, J.B., 1977: Forecasting hailfall in Alberta, Meteor. Monogr., 38, AMS, 145-151.

Rogers, L.N., 1971: Two unusual hailstones. Bull. Amer. Meteor. Soc., 52, 994-995.

Rogers, L.N., 1972: Use of a simple technique for determining the location of silver iodide particles in hail. J. Appl. Meteor., 11, 745-748.

Strong, G.S., 1974: Comments on "Hail in the vicinity of organized updrafts." J. Appl. Meteor., 14, 637-638.

Strong, G.S., 1982: Hailstorms! - Why Alberta? Chinook, Winter/Spring 1982, 21-23.

Strong, G.S., and E.P. Lozowski, 1977: An Alberta study to objectively measure hailfall intensity. Atmosphere, 15, 33-53.

Summers, P.W., G.K. Mather, and D.S. Treddenick, 1972: The development and testing of an airborne droppable pyrotechnic flare system for seeding Alberta hailstorms. J. Appl. Meteor., 11, 695-703

Summers, P.W., and B. Hitchon, 1973: Source and budget of sulphate in precipitation from central Alberta, Canada. APCA Journal, 23, 194-199

Summers, P.W., 1973: Project Hailstop. A review of accomplishments to date. JWMA, 5, 43-55.

Vali, G., 1969: Freezing-nucleus content of hail and rain in Alberta. J. Appl. Meteor., 10, 73-78.

Warburton, J.A., 1973: The distribution of silver in precipitation from two seeded Alberta hailstorms. J. Appl. Meteor., 12, 677-682.

Warner, C., 1976: Wave patterns with an Alberta hailstorm. Bull. Amer. Meteor. Soc., 57, 780-787.

Warner, C., J.H. Renick, M.W. Balshaw, and R.H. Douglas, 1973: Stereo photogrammetry of cumulonimbus clouds. Qtrly. J. Royal Meteor. Soc., 99, 105-115.

Wojtiw, L. 1977: Climatology of hailstorms in central Alberta; The Albertan Geographer, 13, 15-30.

Wojtiw, L., and E.P. Lozowski, 1975: Record Canadian hailstones, Bull. Amer. Meteor. Soc., 56, 1275-1276.

Wojtiw, L. 1975: Hailfall and crop damage in central Alberta, JWMA, 7, 28-42.

Wojtiw, L., and E.P. Lozowski, 1978: Sampling statistics of Alberta hailpad data, Atmosphere-Ocean, 16, 17-34.

Wong, R.K.W., N. Chidambaram, and P.W. Mielke, Jr., 1982: Application of multi-response permutation procedures and median regression for covariate analyses of possible weather modification effects on hail response. Atmosphere-Ocean, 21, 1-13.

Wong, R.K.W., and N. Chidambaram, 1985: Gamma size distribution and stochastic sampling errors. J. Clim. Appl. Meteor., 24, 568-579.

Wong, R.K.W., and C. Schneider, and P.W. Mielke, 1989: Geometric consistentcy for regression model estimation and testing in climatology and meteorology Atmosphere-Ocean, 27, 508-520.

b) Papers in Conference proceedings

Admirat, P., L. Wojtiw, G.G. Goyer, E.P. Lozowski, E.A. Carte and D. Roos, 1982: Hailfall and hailstorms characteristics in Switzerland, Canada and South Africa, Proc. 2nd Inter. Conf. on Hailstorms and Hail Prevention, Sofia, Bulgaria, 111-118.

Barge, B.L., and G.A. Isaac, 1970: Shape, size and surface characteristics of hailstones collected in Alberta. Proc. Conf. on Cloud Physics, Ft. Collins, 83-84.

Barge, B.L., J.H. Renick, and M. English, 1982: Forecasting and radar-derived hail measurements in evaluation of hailstorm seeding experiments. Proc. 2nd Int. Conf. on Hailstorms and Hail Prevention, Sofia, Bulgaria, 37-47.

Cheng, L., and M. English, 1982: Hailstone concentration in Alberta storms, 12th Conf. on Severe Local Storms, San Antonio, Texas, 27-29.

Cheng, L., and M. English, 1982: Hailstone concentration and size at the ground and at the melting level. Cloud Physics Conf., Boston, 423-426.

Cheng, L., R. Wong, and M. English, 1984: A relationship between hailstone size distribution and storm thermodynamics, and its application to the evaluation of seeding effects. 9th Conf. on Weather Modification, Park City, Utah, 31-32.

Chisholm, A.J., 1970: Calculations of the growth of graupel particles within the updraft core of Alberta hailstorms. Proc. Cloud Physics Conf., Ft. Collins, Colorado, 179-180.

Chisholm, A.J., 1970: Estimates of the precipitation growth environment in the updraft core of Alberta hailstorms. Proc. Cloud Physics Conf., Ft. Collins, Colorado, 151-152.

Deibert, R.J., 1981: Current status of the Alberta Hail Project. Proc. 8th Annual Conf. of NAIWMC, Scottsdale, Arizona, Nov., 58-66.

Deibert, R.J., 1984: Research aircraft - Alberta Hail Project. Proceedings, 10th Annual NAIWMC, South Lake Tahoe, California, Pub. 84-2, 83-86.

Doolittle, J.B., L.N. Rogers, and G. Vali, 1971: Comparison measurements of silver content and of freezing nucleus content in rain and hail. Proc. Intern. Conf. on Weather Modification, Canberra, Australia, 241-244.

Douglas, R.H., 1964: Size spectra of Alberta hail, Presented at AMS Conf. on the Physics and Dynamics of Clouds, Chicago, 5 pp.

Douglas, R.H., 1965: Intermittency in western Canadian hailfall. Proc. Intern. Conf. on Cloud Physics, Tokyo, Japan, 291-295.

English, M., 1979: Some simple covariates for evaluating a hail suppression project. Proc. 7th Conf. on Inadvertent and Planned Weather Modification, Banff, Alberta, 201-202.

English, M., 1986: The testing of hail suppression hypotheses by the Alberta Hail Project, 10th Weather Modification, Arlington, Virginia, 72-76.

English, M., and T.W. Krauss, 1984 : Results from an Alberta hailstorm seeding experiment, Proc. Int. Cloud Modelling Workshop/Conference, 6 pp.

English, M., and R. Wong, 1976: Simple numerical cloud models as potential tools in evaluating hail suppression techniques; Second WMO Conf. on Weather Modification, Boulder, Colorado, 357-361.

English, M., L. Cheng, and N.C. Knight, 1982: Hail embryo type in Alberta storms, Proc. 12th Conf. on Severe Local Storms, San Antonio, Texas, 9-12.

English, M., L. Cheng, and N.C. Knight, 1984: Frozen drop embryos in Alberta hailstorms and their origins. Proc. 9th Cloud Physics Conf. 1984. Tallinn, USSR, Vol 1, 253-255.

English, M., and L. Cheng, 1984: Variation of hailstone size distributions in Alberta hailstorms. Proc. 9th Cloud Physics Conf., Tallinn, USSR, Vol. 1, 83-86.

Ewing, C.G., and L. Wojtiw, 1986: A method to estimate the effect of horizontal wind drifting on resultant surface observations in the subcloud region of an Alberta hailstorm; Proc. 23rd Conf. on Radar Meteor., Sept. 1986, Snowmass, Colorado. JP19-JP22.

Farley, R.D., H.D. Orville, and M. English, 1986: Numerical simulations of the seeding of feeder cells - Alberta hailstorms case of 26 July 1983. 10th Weather Modification, Arlington, Virginia, 78-83.

Goyer, G.G., and J.H. Renick, 1979: Results of hailstorm research and hail suppression operations in Alberta. Proc. 7th Conf. on Inadvertent and Planned Weather Modification, Banff, Alberta, J35-J36.

Goyer, G.G., and J.H. Renick, 1980: The results of Alberta Hail Project. Proc. 3rd WMO Conf. on Weather Modification, Clermont-Ferrand, France, 557-564.

Grandia, K.L., D.S. Davison, and J.H. Renick, 1979: On the dispersion of silver iodide in Alberta hailstorms. Proc. 7th Conf. on Inadvertent and PlannedWeather Modification, Banff, Alberta, 56-57.

Hitschfeld, W., and R.H. Douglas, 1968: The possibilities and challenges of the hailstorm. Proc. Intern. Conf. on Cloud Physics, Toronto, Ontario, 483-486.

Humphries, R.G., 1985: Atmospheric Sciences Research at the Alberta Research Council. Proc. of the NAIWMC, Red Deer, Alberta, Pub. 85-2, 32-34.

Humphries, R.G., M. English, and J.H. Renick, 1986: Weather modification research in Alberta, Canada: Proc. 10th Weather Modification Conf., Arlington, Virginia, 357-361.

Isaac, G.A., 1973: Immersion-freezing nuclei from Alberta hailstorms, VIII Inter. Conf. on Nucleation, Leningrad, USSR, 5 pp.

Knight, N.C., and M. English, 1980: Patterns of hailstone embryo type in Alberta hailstorms. Proc. 9th Inter. Conf. on Cloud Physics, Clermont-Ferrand, France, 4pp.

Knight, N.C., A.J. Weinheimer, and M.B. Steiner, 1986: The use of powdered iron as a tracer in hailstorm research, Proc. 23rd Conf. on Radar Meteor. and Conf. on Cloud Physics, Snowmass, Colorado, JP1-JP2.

Krauss, T.W., 1979: Observed microphysical characteristics of the "New Growth Zone" of an Alberta hailstorm. Proc. 7th Conf. on Inadvertent and Planned Weather Modification, Banff, Alberta, 188-189.

Krauss, T.W., 1981: The origin of drop hail embryos in an Alberta hailstorm, Proc. 8th Weather Modification Conf., Reno, Nevada, 130-131.

Krauss, T.W., 1985: Radar and microphysical observations of seeded and non-seeded feeder clouds in an Alberta hailstorm. Proc. of NAIWMC, Red Deer, Alberta, Pub. 85-2, 45-54.

Krauss, T.W., and J.D. Marwitz, 1982: Precipitation processes within an Alberta supercell hailstorm, Proc. 12th Conf. on Severe Local Storms, San Antonio, 4pp.

Krauss, T.W., 1983: Ice crystal evolution in a hailstorm feeder cloud following AgI seeding. 17th CMOS Conf. Banff, Alberta, 105-114.

Krauss, T.W., and M. English, 1984: Hailstorm seeding experiments in Alberta. Proc. 9th Cloud Physics Conf., Tallinn, USSR, 4 pp.

Lawford, R.G., 1970: The spatial distribution of thunderstorms characteristics over Alberta forests. 4th CMOS Congress, Winnipeg, Man., 20 pp.

Lozowski, E.P., 1974: An Alberta weather modification survey. CMS 8th Annual Congress, Toronto, Ont., 10 pp.

Lozowski, E.P., and A.G. Beattie, 1975: Field measurements of hailstone aerodynamics. CMS 9th Annual Congress, Vancouver, B.C., 26 pp.

Lozowski, E.P., and G.S. Strong, 1975: On the calibration of hailpads. CMS 9th Annual Congress, Vancouver. 5pp.

Lozowski, E.P., and L. Wojtiw, 1979: Monte Carlo simulation of hailpad networks. Proc. 7th Conf. on Inadvertent and Planned Weather Modification, Banff, Alberta. 132-133.

Markowsky, D., 1982: Calgary hailstorm, July 28, 1981, Proc. of 6th annual ACA meeting, 39-41.

Marwitz, J.D., 1972: Precipitation efficiency of thunderstorms on the high plains. Proc. 3rd Conf. on Weather Modification, Rapid City, South Dakota, 245-247

Maybank, J., and J.E. Pakiam, 1972: The electrical behaviour of severe hailstorms in Alberta. Abstracts Intern. Conf. on Cloud Physics, London, England, 71-72.

McLeod, J.C. 1976: Cloud droplet spectra measured in Alberta thunderstorms. Intern. Conf. on Cloud Physics, Boulder,Colorado, 326-331.

Morgan, G., D. Vento, J.F. Mezeix, P. Admirat, B. Federer, A. Waldvogel, L. Wojtiw, and E. Wirth, 1980: A Comparison of hailfall intensity and spatial variability in North America and Europe, based on data from instrumented networks. Proc. 3rd WMO Conf. on Weather Modification, Clermont-Ferrand, France, 607-613.

Musil, D.J., G.N. Johnson, P.L. Smith, and N.C. Knight, 1986: Armored aircraft penetrations of Alberta hailstorms. 23rd Conf. on Radar Meteor., Snowmass, Colo., JP19.7.

Oleskiw, M.M., and M. English, 1986: A comparison of several seeding treatments on growing towers within Alberta hailstorms. Proc. 10th Conf. on Weather Modification, Arlington, Virginia, 84-89.

Pakiam, J.E. and J. Maybank, 1970: A preliminary investigation into the electrical structure of a severe storm. Proc. Conf. on Cloud Physics, Ft. Collins, Colorado, 171-172.

Paul, A.H. 1969: A hailfall climatology of southern Alberta, CMS 3rd Annual Congress, Toronto.

Paul, A.H., 1982: Across the forty-ninth: Thunderstorms in the environment of the northern great plains. Paper presented at Intersections: Studies in the Canadian and American Great Plains, Lincoln, Nebraska, 39 pp.

Pell, J. 1967: Computer analysis of intermittency in Alberta point hailfall. Proc. 5th Conf. on Severe Local Storms, St. Louis, Missouri, 307-314.

Pell, J., 1971: Variations with time of six Alberta hail parameters. Proc. 7th Conf. on Severe Local Storms, Kansas City, Missouri, 226-233.

Renick, J.H., 1975: Forecasting hailfall in Alberta. NHRE Symposium/Workshop on Hail, Estes Park, NCAR, Boulder, Preprint, Vol. 1, Sec. 111.b.1. 10 pp.

Renick, J.H., 1976: Weather Modification. Proc. Alberta Agrometeorology Workshop, Lethbridge, Alberta Agriculture, 34-41.

Renick, J.H., 1985: Weather modification in Alberta. Proc. of the NAIWMC, Red Deer, Alberta, Pub. 85-2, 35-44.

Renick, J.H., A.J. Chisholm, and P.W. Summers, 1972: The seedability of multicell and supercell hailstorms using droppable pyrotechnic flares. Proc. 3rd Conf. on Weather Modification, Rapid City, South Dakota, 272-278. (Also; 6th Annual CMOS Congress, Edmonton, Alberta and ARC Hail Studies Rpt. 72-2, 40-46).

Renick, J., and R. Wong, 1985: Characteristics of Alberta crop damage and their usefullness in measuring surface hailfall, 4th WMO Scientific Conf. Weather Modification, Hawaii, Aug. 1985, 9 pp.

Robitaille, F.E., 1985: Assessment of seeding using ground-based silver iodide generators in Alberta. Proc. of NAIWMC, Red Deer, Alberta, Pub. 85-2, 62-71.

Robitaille, F.E., F.D. Barlow, J.D. Mason, and C.M. Sackiw, 1983: Cloud seeding by ground generators in Alberta field studies of generator targetting. CMOS Conf. , 72-86

Robitaille, F.E., F.D. Barlow, and J.H. Renick, 1986: Cloud seeding with ground generators. Proc. 10th Weather Modification Conf., Arlington, Virginia, 104-109.

Rogers, D.C., and M. Oleskiw, 1986: A case study of hail embryo formation in an Alberta feeder cloud, Proc. 23rd Conf. on Radar Meteor. and Conf. on Cloud Physics, Sept. 1986, Snowmass, Colorado, 4 pp.

Rogers, L.N., 1970: Characteristics of a large number of hailstones from a single Alberta hailstorm. Proc. Conf. on Cloud Physics, Ft. Collins, 89-90.

Rudolph, R.C. and D.S. Davidson, 1986: Seeding corridors: A targetting aid for airborne seeding of multicell hailstorms, Proc. 10th Conf. on Weather Modification, Arlington, Virginia, 90-93.

Sackiw, C.M., F.E. Robitaille, and E.P. Lozowski, 1979: Large funnel cloud latitude 52 degrees North. Proc. 11th Conf. on Severe Local Storms, Kansas City, Missouri, 357-360.

Sackiw, C.M. and F.E. Robitaille, J.W. Mason, F.D. Barlow, W.G. Finnegan, R.H. Horn, and J.A. Heimbach, Jr., 1984: Comparison tests of ice nuclei counters; Proc. 9th Conf. on Planned and Inadvertent Weather Modification, Park City, Utah, 12-13

Stone, R.H., and T.W. Krauss, 1984: Comparison of silver with major chemical constituents in seeded and non-seeded cloud particulates in Alberta. Proc. 9th Weather Modification Conf., Park City, Utah, 106-107.

Strong, G.S., and W.A. Davis, 1980: An automated hailpad analysis system. Proc. 3rd WMO Conf. on Weather Modification, Clermont-Ferrand, France,, 4 pp.

Strong, G.S., and E.P. Lozowski, 1980: Hailpad wind measurements and hailfall sampling errors. Paper presented at the 14th CMOS Annual Congress, Toronto, Ontario, 28 pp.

Summers, P.W., 1966: Note on the frequency of soft hail in central Alberta. CMS Annual Congress, Sherbrooke, Quebec, 11 pp.

Summers, P.W., 1968: Soft hail in Alberta hailstorms. Proc. Intern. Conf. on Cloud Physics, Toronto, 455-459.

Summers, P.W., 1970: Present status of hail suppression. Weather Modification: A Survey of Present Status with respect to Agriculture, Canadian Dept. of Agric., Ottawa, 34-48.

Summers, P.W., 1970: Scavenging of SO2 by convective storms in Alberta. Paper presented at the 1970 Precipitation Scavenging Meeting, Richland, Wash., 19 pp.

Summers, P.W., 1972: The silver fallout patterns in precipitation from seeded convective storms. Proc. 3rd Conf. on Weather Modification, Rapid City, South Dakota, 279-286.

Summers, P.W., and A. Paul, 1967: Some climatological characteristics of hailfall in central Alberta. Proc. 5th Conf. on Severe Local Storms, St. Louis, Missouri, 315-324.

Summers, P.W., and L. Wojtiw, 1970: Hailfall characteristics and crop damage in Alberta. CMS 4th Annual Congress, Winnipeg, Manitoba, 12 pp.

Summers, P.W., and J.H. Renick, 1971: Case studies of the physical effects of seeding hailstorms in Alberta. Proc. Intern. Conf. on Weather Modification, Canberra, Australia, 213-218.

Summers, P.W., G.K. Mather, and D.S. Treddenick, 1971: A droppable pyrotechnic flare system for seeding hailstorms. Proc. Intern. Conf. on Weather Modification, Canberra, Australia, 349-354.

Summers, P.W., and L. Wojtiw, 1971: The economic impact of hail damage in Alberta, Canada and its dependence on various hailfall parameters. Proc. 7th Conf. on Severe Local Storms, Kansas City, Missouri, 158-163.

Vali, G., 1967: Estimates of initial cloud glaciation from nucleation experiments. Proc. 5th Conf. on Severe Local Storms, St. Louis, Missouri, 154-160.

Vali, G., 1968: The freezing-nucleus content of precipitation and its relation to the formation of ice in the clouds. Proc. Intern. Conf. on Cloud Physics, Toronto, Ontario, 232-237.

Vali, G., 1969: The characteristics of freezing nuclei. Proc. of the 7th Conf. on Cloud Physics, Prague-Vienna, 387-393

Vali, G., 1969: Freezing-nucleus content of hail and rain in Alberta. Proc. 6th Conf. on Severe Local Storms, Chicago, Ill., 270-274.

Warburton, J.A., T.W. Krauss, and R.H. Stone, 1984: Time dependent relationships between liquid water, ice particle concentrations and sizes and silver content in seeded Alberta clouds. Proc. 9th Weather Modification Conf., Park City, Utah, 104-105.

Warner, C. 1972: Cells in a Canadian storm. Abstracts Intern. Conf. on Cloud Physics, London, England, 215-216.

Warner, C., M. English, A. J. Chisholm, and W. Hitschfeld, 1969: The pattern of an Alberta hailstorm. Proc. 6th Conf. on Severe Local Storms, Chicago, Ill., 290-295.

Wojtiw, L.,1975: Climatology of hailstorms in Alberta; NHRE Symposium/Workshop on Hail, Estes Park, NCAR, Boulder, Colorado. Preprint 1, Sec. 11, c.1. 14 pp.

Wojtiw, L., 1981: Climatology of hailfalls and hailswaths in central Alberta, Canada, Proc. 8th Conf. on Inadvertent and Planned Weather Modification, Reno, Nevada, 134-135

Wojtiw, L. 1986: Time-characteristics of hailfall in central Alberta, Canada. Proc. 10th Conf. on Weather Modification, Arlington, Virginia, 94-99.

Wojtiw, L., and P.W. Summers, 1972: The economic impact and regional variation of hail damage in Alberta. CMS 6th Annual Congress, Edmonton, Alberta, 10 pp.

Wojtiw, L., and J.H. Renick, 1973: Hailfall and crop damage in Alberta. Proc. 8th Conf. on Severe Local Storms, Denver, Colorado, 138-141.

Wojtiw, L., and A. Davis, 1981: Spatial variability and error effects in global kinetic energy and total area of hailstorms in Alberta, Canada, Proc. 8th Conf. on Inadvertent and Planned Weather Modification, Reno, Nevada, 136-137.

Wojtiw, L., and C.G. Ewing, 1982: A radar-hailpad relationship for hailstorms with low to moderate damage in Alberta; Proc. 12th Conf. on Severe Local Storms, San Antonio, Texas, 24-26

c) Scientific reports

Kochtubajda, B., and L. Wojtiw, 1989: A comprehensive summary of weather modification activities in Alberta. Final Report, Alberta Agriculture, Edmonton, Alberta. Vol 1: 81pp.

Kochtubajda, B., and L. Wojtiw, 1989: A comprehensive summary of weather modification activities in Alberta. Final Report, Alberta Agriculture, Edmonton, Alberta. Vol 2: 234pp.

Robitaille, F.E., F.D. Barlow, J.D. Mason, and C.M. Sackiw, 1983: Ground generator assessment project 1982 project report. 41 pp. & Appendices.

Robitaille, F.E., J. Gertz, J.D. Mason, and C. Sackiw, 1983: Mobile rawinsonde pictorial digest. 32 pp.

Robitaille, F.E., F.D. Barlow, J.D. Mason, and C.W. Sackiw 1984: Ground generator assessment project - 1983 Project Report. ASD Internal Report. 160 pp.

Stone, R., and J. Warburton, 1984: Final Report for the 1983 Alberta Cloud particulate chemistry program. Desert Research Institute, Reno, Nevada, 41 pp. + 3 Appendices.