last updated Febr., 2003

Jeffry Evans

Meteorologist/SPC Forecaster

EDUCATION

Cameron University, Lawton, OK 1987-1988

University of Oklahoma, Norman OK 1988-1991: B.S. in Meteorology

PROFESSIONAL

 
August  1991      Intern; WSO Sheridan, Wyoming (office now closed)
 
January 1994      Forecaster; WSFO Cheyenne, Wyoming
 
April   1995      SELS Assistant Forecaster; Kansas City, Missouri
 
February 1996-    Meso/Outlook Forecaster; Storm Prediction Center; Norman, Oklahoma                              
 
February 2002-    SPC Lead Forecaster
to present

STUDIES

Publications of Jeffry S. Evans

              

Lead Author:

 

Evans, J.S., and C.A. Doswell III, 2002:  Investigating derecho and supercell proximity soundings. Preprints,  21st Conf. Severe Local Storms, San Antonio, TX, Amer. Meteor. Soc., 635-638.

______, and _____, 2001: Examination of derecho environments using proximity soundings.  Wea. Forecasting, 16, 329-342.

 

Evans, J. S., and S. F. Corfidi, 2000: Genesis and evolution of the 4 June 1999 derecho.  Preprints, 20th Conf. on Severe Local Storms, Orlando, FL,

Amer. Meteor. Soc., 405-408.

 

Evans, J. S., 1998: An examination of observed shear profiles associated with long-lived bow echoes. Preprints, 19th Conf. on Severe Local Storms,

Minneapolis, MN, Amer. Meteor. Soc., 30-33.

 

Evans, J. S., and R. H. Johns, 1996: Significant tornadoes in the Big Horn Mountains of Wyoming.  Preprints, 18th Conf. on Severe Local Storms, San

Francisco, CA, Amer. Meteor. Soc.,  636-640.

 

Evans, J. S., and R. H. Johns, 1995: Preliminary study of Wyoming mountain tornadoes. Preprints, 7th Conf. on Mountain Meteorology, Breckenridge,

CO,  Amer. Meteor. Soc., 28-33.*

 

Evans, J. S., 1993:  Flash flooding in central Johnson County WY, June 14-15, 1992.  CR-Tech ATT. 93-19. **

 

Second Author:

 

C.A. Doswell III and J.S. Evans, 2003: Proximity sounding analysis for derechos and supercells: An assessment of similarities and differences.  Accepted Atmos. Research.

 

 

Johns, R. H., and J. S. Evans, 2000: Comments on “A climatology of derecho-producing mesoscale convective systems in the central and eastern

United States, 1986-1995.   Part I: Temporal and spatial distribution”. Bull. Amer. Metr. Soc., 81, 1049-1054.

 

 

M.A. Darrow, and J. S. Evans, 1993. Orographically induced heavy snow event in the Big Horn Mountains.  CR-Tech ATT ? pp. **

 

 

*    published while affiliated with NWS Forecast Office at Cheyenne, Wyoming.

**   published while affiliated with NWS Office at Sheridan, Wyoming.

ONLINE PRESENTATIONS

Convective forecasting overview (emphasis on Northern Intermountain Region)

(Talk to WFO PDT staff March 2004)

Forecasting Supercells and Tornadoes

(Talk to WFO PDT staff March 2004)

Forecasting Large Hail

(Talk to WFO PDT staff March 2004)

Forecasting Damaging Thunderstorm Winds

(Talk to WFO PDT staff March 2004)

Nov. 10th, 2002- Overview, perspective, and brief look at SPC forecast process

 (Talk to northeast OK spotter training workshop, Feb. 2003)

Baseline climatology of convective parameters

(Findings from various proximity sounding studies, focusing on recent SPC work, presented to WFO Tulsa, Feb. 2003)

SPC operations overview

 (Brief look at the SPC presented to WFO Tulsa, Feb. 2003)

Derechos vs. Supercells-A brief derecho overview and a comparison with supercells

(Talk to SPC staff during Spring training in 2003)

Derechos environments

(Talk to WFO Fort Worth staff March 2002, using southern plains examples)