Cloud Seeding by Zev Levin

Rain enhancement in Israel has been going on from the early 1960’s to today. It consisted of three experiments and an extended period of operational seeding. These experiments were accompanied by extensive research including measurements, model simulations and statistical analysis. Although questions have been raised about the success of these operations, attempts to transfer the Israeli seeding methods to other countries have failed to show positive the presentation I will show results of our re‐analysis of the full period of seeding in Israel and point out the lessons we can learn from this extensive effort. I will also point out that the lessons we learned from our own operations led to a design of a new experiment, Israel 4, in which seeding will take advantage of the orographic setting in the NE of the country.