The first period is from March through May and the second part is October through December. The National Weather Service is very good about giving Tornado and Severe Thunder Storm Warnings around the State. If you are a radio amateur, 146.88 in Tulsa, 147.06 in Northeast Oklahoma , 146.82 in the Oklahoma City area, and 146.79 in Southwest Oklahoma are repeaters with active storm spotter groups. Ask your local guests for the TV and radio station of their choice for weather advisories. By watching the 7 a.m. TV broadcast and listening through the day to the radio, one can be very adequately warned about the weather here.
Tornadoes can occur any month of the year.
Just because we have tornadoes does not mean one should not visit our State. In fact, there are some who plan their vacations so they can see a tornado. The State truly tries to offer something for everyone. The National Severe Storms Laboratory is located in Norman. People from all over the world come there to study tornadoes and severe weather.