Hail clouds often exhibit a characteristic green coloration. [1]

Photo Credit: National Oceanic and Atmospheric Administration/Department of Commerce

URL: http://www.crh.noaa.gov/iwx/program_areas/wxpics/clouds_sun/032003kinderhook2.jpg

NOAA Image ID: 032003kinderhook2.jpg

Description: Pea sized hail producing clouds near Kinderhook, Michigan March 20, 2003.

License:

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 ∙ +/−