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View article: Winter Icing and Storms Project (WISP)
Winter Icing and Storms Project (WISP) Open
Field studies in support of the Winter Icing and Storms Project (WISP) were conducted in the Colorado Front Range area from 1 February to 31 March 1990 (WISP90) and from 15 January to 5 April 1991 (WISP91). The main goals of the project ar…
View article: secretary-treasurer's report
secretary-treasurer's report Open
An unattended Doppler radar for the continuous measurement of the speed, direction and turbulence of wind-at discrete levels-to an altitude of 16 km.
View article: Icing Conditions Encountered by a Research Aircraft
Icing Conditions Encountered by a Research Aircraft Open
The characteristics of clouds which have led to airframe icing on an instrumented Beechcraft Super King Air are summarized. The icing encounters occurred at altitudes from 0–8000 m MSL, in summer and winter, in stratiform and cumuliform cl…
View article: Fitting Measurements of Thunderstorm Updraft Profiles to Model Profiles
Fitting Measurements of Thunderstorm Updraft Profiles to Model Profiles Open
Twelve thunderstorm updrafts were analyzed in detail and a composite average derived. The updrafts were normalized in width and maximum intensity so they could he compared on the same scale. The composite average was compared with the Gaus…
View article: Structure of an Evolving Hailstorm Part V: Synthesis and implications for Hail Growth and Hail Suppression
Structure of an Evolving Hailstorm Part V: Synthesis and implications for Hail Growth and Hail Suppression Open
A model of an evolving hailstorm is synthesized from data presented in four related papers in this issue. The storm model, which is applicable to a class of ordinary multicell hailstorms and similar to earlier models derived by workers in …
View article: Structure of an Evolving Hailstorm Part IV: Internal Structure from Penetrating Aircraft
Structure of an Evolving Hailstorm Part IV: Internal Structure from Penetrating Aircraft Open
Precipitation particle sizes were measured using a continuous hydrometeor sampler (foil impactor) during penetrations of hailstorms with an armored T-28 aircraft. Data have been analyzed from three penetrations of a storm near Raymer, Colo…
View article: Updraft Measurements Beneath the Base of Cumulus and Cumulonimbus Clouds
Updraft Measurements Beneath the Base of Cumulus and Cumulonimbus Clouds Open
During the summers of 1964 and 1965, the Colorado State University Hail Suppression Research Project made updraft measurements beneath the base of cumulus and cumulonimbus clouds in northeastern Colorado. Analysis of the data reveals that …