On the urban orographic rainfall anomaly in Jerusalem-a numerical study

H. Shafir*, P. Alpert

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A high-resolution meso-γ scale indexing of the orographic precipitation over the Judean Mountains in Israel suggests a positive urban precipitation anomaly in Jerusalem. The urban rainfall enhancement for three case studies is found to be 20-30 per cent as compared to only about 10% for the annual normals. The role of the urban 'heat island' and the larger supply of artificial nuclei is discussed. The method presented here is a primary attempt to separate quantitatively urban recipitation effects over highly complex terrain, by applying a physical model.

Original languageEnglish
Pages (from-to)365-375
Number of pages11
JournalAtmospheric Environment - Part B Urban Atmosphere
Issue number3
StatePublished - 1990


  • Urban rainfall
  • mesoscale rainfall modelling
  • orographic rainfall


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