Summary

Radar shot of the Birmingham Supercell in which the hook echo signature is located near Oak Grove (courtesy of NOAA) http://www.srh.noaa.gov/bmx/significant_events/1998/04_08/ref_0058.php archive copy at the Wayback Machine

Licensing

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration , taken or made as part of an employee's official duties. العربية ∙ čeština ∙ Deutsch ∙ Zazaki ∙ English ∙ español ∙ eesti ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ português ∙ română ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−