NWS Norman News

Hail Observation Research Project (3/20/2008 8:00 pm CDT) If you live within 90 miles of Norman, Oklahoma, you are invited to participate in a National Severe Storms Laboratory (NSSL) research project. The project is called the Hail Size Discrimination Experiment.  More information is available here.

Weather History for May 15 May 15, 1991 was a very active day for tornadoes in Oklahoma, as at least five tornadoes struck the western and northwestern parts of the state. The strongest tornado was sighted near Laverne, which was rated as an F3. The tornado was 800 to 900 yards wide, and its path was 11.5 miles long. Three injuries resulted in the Laverne area. This storm also produced hail the size of grapefruits.

Widespread severe weather, including six tornadoes, struck northern and central Oklahoma on May 15, 1990. The worst of the tornadoes developed just west of Stillwater, and then moved through northern parts of the city. The storm heavily damaged two apartment complexes, and severely damaged or destroyed 83 homes. One person died and 12 were injured.

Learn more about the weather history for Oklahoma and western north Texas here.