Skip to main content

1986 | OriginalPaper | Buchkapitel

Seedability of Winter Orographic Clouds

verfasst von : Geoffrey E. Hill

Erschienen in: Precipitation Enhancement—A Scientific Challenge

Verlag: American Meteorological Society

Aktivieren Sie unsere intelligente Suche um passende Fachinhalte oder Patente zu finden.

search-config
loading …

This article is a review of work on the subject of seedability of winter orographic clouds for increasing precipitation. Various aspects of seedability are examined in the review, including definitions, distribution of supercooled liquid water, related meteorological factors, relationship of supercooled liquid water to storm stage, factors governing seedability, and the use of seeding criteria.Of particular interest is the conclusion that seedability is greatest when supercooled liquid water concentrations are large and at the same time precipitation rates are small. Such a combination of conditions is favored if the cloud-top temperature is warmer than a limiting value and as the cross-barrier wind speed at mountaintop levels increases.It is also suggested that cloud seeding is best initiated in accordance with direct measurements of supercooled liquid water, precipitation, and cross-barrier wind speed. However, in forecasting these conditions or in continuation of seeding previously initiated, the cloud-top temperature and cross-barrier wind speed are the most useful quantities.

Metadaten
Titel
Seedability of Winter Orographic Clouds
verfasst von
Geoffrey E. Hill
Copyright-Jahr
1986
Verlag
American Meteorological Society
DOI
https://doi.org/10.1007/978-1-935704-17-1_13