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Raymond L. Lee, Ph.D.
Object Visibility-Lighting-Forensic Meteorology Expert

Dr. Lee is an expert in determining how weather and visibility conditions affect vehicle collisions, including those involving pedestrians, and how weather events affect other incidents such as property damage and sporting events gone wrong. He has been providing forensic meteorology expertise since 1992.

Raymond L. Lee, Jr., Ph.D. is an expert in assessing site-specific visibility under different lighting and weather conditions, including cases that involve rain, snow, fog, and nighttime street lighting, as well as those where glare from sunlight or headlights is at issue. He routinely applies his expertise to vehicle collisions, including those involving pedestrians, and to pedestrian slips, trips, and falls. Dr. Lee has extensive experience in forensic meteorology and can draw on a wide range of government and private weather records as part of his investigation of your case. For example, he has variously determined (1) how weather conditions changed as a truck driver approached what became a collision, (see report) (2) how and when a road became icy, (see report), and (3) minute-by-minute records of rainfall rates at a particular location to assess the potential for flash flooding.

Dr. Lee has engaged in meteorological research and education for more than 30 years, with the last 19 years spent as a research professor at the U. S. Naval Academy. He has been awarded seven highly competitive grants from the National Science Foundation. He has testified nationally and has researched and written more than 120 technical reports for both civil and criminal cases during the past 19 years. He is a member of the American Meteorological Society and the Optical Society of America.

Related Articles/Documents
  • Curriculum Vitae (CV)
  • 56 vehicle collision, truckers claimed winter conditions occurred suddenly
    • 56 vehicle collision, truckers claimed winter conditions occurred suddenly

      This fifty six-vehicle collision occurred under winter conditions. Truck drivers claimed heavy snow conditions occurred suddenly. A meteorological analysis was performed to determine how quickly weather conditions and visibility were changing at and near the collision site. Two figures were developed to show how heavy snow and reduced visibility developed over a period of several minutes at the crash site and as the trucks approached the crash site.

      View Full Our Work HERE

  • Tractor-Trailer Truck Lost Control On an Ice Covered Freeway
    • Tractor-Trailer Truck Lost Control On an Ice Covered Freeway

      This tragic pre-Christmas double fatal collision occurred when both a minivan and a tractor-trailer truck lost control on an ice covered freeway. First the minivan lost control and spun safely to a stop. Next the truck lost control, jacknifed and hit the driver of the minivan and the minivan.

      One defense adopted by the tractor trailer was that both vehicle drivers lost control, how could you blame the collision on the truck? Our meteorological analysis showed that the ground icing developed and advanced in the direction of the truck and contrary to the direction of the minivan. The truck had been driving in ice condition for half an hour, while the minivan had just encountered the condition.

      View Full Our Work HERE

  • Determining Past Weather Conditions and their Effects on Motor Vehicle Cases
    • Determining Past Weather Conditions and their Effects on Motor Vehicle Cases

      Dr. Raymond Lee delivered this presentation to the Pennsylvania Association of Criminal Defense Lawyers on October 2, 2009.

      Dr. Lee is an expert in meteorology and visibility. He applies this expertise to the investigation of matters involving personal injury or economic loss.

      View Full Speaking Engagement HERE

  • In 2007 Motor Vehicle Collisions Resulted in Excess of 40,000 Fatalities
    • In 2007 Motor Vehicle Collisions Resulted in Excess of 40,000 Fatalities

      In 2007 motor vehicle collisions resulted in excess of 40,000 fatalities and almost 2,500,000 injuries, according to the National Highway Traffic Safety Administration’s website. It is often important to determine both how a crash occurred and the underlying causes of both the crash and resultant injury.

      View Full Mailer HERE

  • Human Factors - The Science of Perception and Interaction
    • Human Factors - The Science of Perception and Interaction

      Robson Forensic, Inc. Human Factors experts provide scientific answers to questions involving perception, warnings, instructions and conspicuousness. We evaluate if the conditions that resulted in cases or claims were open and obvious as presented to the claimant.

      View Full Mailer HERE

CONTACT INFORMATION
354 North Prince Street
Lancaster, PA 17603
RaymondL.Lee@robsonforensic.com
800.813.6736 phone
717.293.8076 fax
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