Western Region Technical Memoranda
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For a list of Technical Memoranda not available online, click here.
To request copies of non-electronic Technical Memoranda, contact the National Weather Service Western Region Headquarters.

  1. Conditional symmetric instability-Methods of operational diagnosis and case study of 23-24 February 1994 eastern Washington/Oregon snowstorm.. Gregory DeVoir. May 1998

  1. Prediction of Heavy Snow Events in the Snake River Plain Using Pattern Recognition and Regression Techniques. Thomas Andretta and William Wojcik. October 2003

  2. The Lewis and Clark Expedition 1803-1806, Weather, Water and Climate
    Vernon Preston. December 2004 - Coming Soon!

  3. Climate of San Diego, California
    Revised by: Emmanuel M. Isla, Steve Vanderburg, Christopher Medjber, Daniel Paschall. December 2004

  4. Climate of Las Vegas, Nevada
    Revised by: Andrew S. Gorelow , January 2005 Previous Edition Paul H. Skrbac, December 1999

  5. Climate of Sacramento, California
    Revised by: Laura A. Bevan and George Cline, June 2005

  6. Climate of Flagstaff, Arizona
    6th Revision. Mike Staudenmaier, Jr., Reginald Preston(R), Paul Sorenson(R), Revised by Mike Staudenmaier, Jr., January 2009

  7. Climate of Prescott, Arizona
    Bob Fogarty, Mike Staudenmaier, Jr., 1st Revision by Mike Staudenmaier, Jr. January 2009
  8. Climate of San Diego, California
    Noel M. Isla, Jennifer L. Lee, Third Edition, March 2006

  9. Climate of Reno, Nevada
    Brian O'Hara, October 2006

  10. Forecaster's Handbook for Extreme Southwestern California Based On Short Term Climatalogical Approximations: Part I - The Marine Layer and Its Effect On Precipitation and Heating
    Ivory J. Small, October 2006

  11. Forecaster's Handbook for Extreme Southwestern California Based On Short Term Climatalogical Approximations: Part II - Wind Effects on Terrestrial and Marine Enviornments
    Ivory J. Small, December 2006

  12. Effects of Wildfire in the Mountainous Terrain of Southeast Arizona: An Empirical Formula to Estimate 5-Year Peak Discharge from Small Post-Burn Watersheds
    William B. Reed and Mike Schaffner, June 2007

  13. The Climate of Fresno, California
    Chris Stachelski and Gary Sanger, March 2008

  14. The Climate of Bakersfield, California
    Chris Stachelski and Gary Sanger, February 2008

  15. Hazardous Weather Climatology for Arizona
    Craig Shoemaker and Jeffrey T. Davis, February 2008

  16. Effects of Wildfire in the Mountanous Terrain of Southeast Arizona: Empirical Formulas to Estimate from 1-Year through 10-Year Peak Discharge from Post-Burn Watersheds
    William B. Reed and Mike Schaffner, July 2008