The Precipitation Enhancement Project of the World Meteorological Organization, Program and Progress
AbstractIn the first In half of 1981 the Precipitation EnhancementProject, PEP of WMO will be in the third year of its Site Selection Phase in the Duero River basin centered about Valladol~d, Spain. The purpose of this field investigation is to establish if the clouds and cloud systems are suitable for seeding to en- hance.precipitation, and if they occur frequently enough. The basic goals of PEPare discussed and an up-to-date view is presented on the status of the operation.
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