Weather Underground has an app called Storm for IOS. If you use it, you may need the information from the Wichita, KS NWS office. If you are using “Storm”, the attached PDF may be helpful http://apple.co/2b0skgB -- Lloyd Colston director Altus Emergency Management Altus, OK http://www.altusok.gov Phone: 580.481.2260 Fax: 580.482.4738 Præparate Ante malum.