Monday, April 22, 2024

Author: Hawaii Volcano Observatory

EnvironmentScienceVolcano Watch

How do volcanoes affect the weather and climate?

Topography indisputably influences the weather—that’s why precipitation is so much greater on the windward side of the island. But how much did Hawai‘i’s topography influence Iselle? Hurricane Iselle weakened to a tropical storm just as it reached the island, but still managed to make landfall. As it did, the bulk of the storm stalled on the east flank of Mauna Loa, but its weakened upper parts continued moving westward.

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