Here's an interesting read from an online science-oriented compendium:
"An Appreciation of Weather in the Lord of the Rings" -
HERE
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From the PBS NewsHour - Science section:
"Climate models turn the weather in Tolkien's
Hobbit into science" -
HERE
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And just for the fun of using such words:
The Encyclopedia of Arda -
Old and Rare Words Used in Tolkien's Works -
HERE