Simulation of daily precipitation in the Pacific Northwest using a weather classification scheme

L. L. Wilson, D. P. Lettenmaier, Eric F. Wood

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

A weather classification scheme was coupled with a semi-Markov model to represent the coincident occurrence of rain/no rain states at a single rain gauge and classes representing regional atmospheric circulation patterns, as identified from National Meteorological Center gridded observations for a large area of the North Pacific. The fitted model was used to simulate a ten year sequence of daily precipitation. It was found that the semi-Markov model of climate class/wet-dry states preserved the length of wet and dry day runs reasonably well, with the exception of months with long average run lengths. An exploratory analysis of the properties of wet and dry period runs for those classes and months whose run frequencies were poorly preserved showed that the log survivor functions and variance time curves were also poorly preserved. -from Authors

Original languageEnglish (US)
Pages (from-to)127-142
Number of pages16
JournalUnknown Journal
StatePublished - Jan 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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