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Forensic Services : Our Experts : Stephen Marvill Wistar

Stephen Marvill Wistar Certified Consulting Meteorologist

Meteorological Consultant As a Certified Consulting Meteorologist with a specialty in building collapses, Steve uses his tremendous attention to detail and his excellent communication skills to explain all areas of meteorology to the public.

Message From Steve Wistar: Audio

Professional Experience

AccuWeather, Inc. - Forecast Meteorologist, since October 1976; Member of Hiring Committee, 1983-1987; Senior Meteorologist, since 1983; Senior Forensic Meteorologist, since June 1995.

Geophysical Institute, University of Alaska, Fairbanks, Alaska - Satellite Research Meteorologist, 1975.

National Environmental Satellite Service, Camp Springs, Maryland - Satellite Research Meteorologist, 1974.

The Pennsylvania State University - B.S. Meteorology, 1974.

Honors and Accomplishments

Awarded the nationally recognized Certified Consulting Meteorologist (CCM) designation by the American Meteorological Society.

Admitted as Expert Witness in Meteorology in numerous trials in several states, at both the state and federal level.

Coordinator of numerous past weather research projects.

Author of hundreds of reports documenting weather conditions at particular times and places in the past.

Specialist in weather conditions relating to roof failures, including snow loading and drifting factors.

Operational weather forecaster preparing forecasts daily for major markets in United States and abroad.

Regular live and taped broadcasts in major United States and overseas markets.

Unofficial weather observer for Lemont, Pennsylvania with regular reports provided to Emergency Management Agency.

Numerous weather presentations in educational settings.

Participant in the Future Meteorologists of America at the Franklin Institute in Philadelphia, Pennsylvania.

Professional Affiliations

American Meteorological Society
National Weather Association


"Investigations of Strong Valley Winds in Alaska Using Satellite Infrared Imagery", (Joint Author). Marvill and Jayaweera. Monthly Weather Review, Vol. 103, No. 12, December 1975, pp. 1129-1136.

Contact a Certified Consulting Meteorologist!

Forensics Department, AccuWeather, Inc. 385 Science Park Road, State College, PA 16803
Phone: 814-235-8626   E-mail: