Traditional object-to-size conversion for assessment and translation of severe hail reports. We encourage measurement, not estimation, of hail size.| www.spc.noaa.gov
Hail research at the National Severe Storms Laboratory. Hail can cause billions of dollars of damage to structures, crops and livestock. NSSL focuses research efforts towards the prediction and detection of hail and hailstorms to give those in the path of the storm enough time to seek shelter and protect their property.| NOAA National Severe Storms Laboratory