Top Ten Weather Events Of 2012 “Super Storm Sandy” had to compete with the most extensive drought in more than half a century and one of the worst heat waves since the 1930s dust bowl but, as the impacts from Sandy kept mounting in its aftermath, this remarkable storm climbed up to the number one spot in Weatherwise magazine’s annual tally of the top 10 weather events of the year.
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Norfolk Nebraska clouds before the storm.... 4/14/2012 "Mammatus clouds are most often associated with the anvil cloud and severe thunderstorms. They often extend from the base of a cumulonimbus, but may also be found under altocumulus, altostratus, stratocumulus, and cirrus clouds, as well as volcanic ash clouds. When occurring in cumulonimbus, mammatus are often indicative of a particularly strong storm or perhaps even a tornadic storm."