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Why Did Hurricane Milton Grow So Fast?

Published in Hurricane Science 2 mins read

Hurricane Milton underwent rapid intensification, becoming one of the fastest-growing storms in recorded history due to a combination of unprecedented environmental conditions and specific meteorological processes. Its winds, exceeding 175 mph, were exceptionally powerful for an October hurricane.

Key Factors Behind Milton's Rapid Intensification and Growth

Several critical elements contributed to Hurricane Milton's unusual and rapid development:

  • Record Hot Water in the Gulf of Mexico: Unusually warm waters in the Gulf of Mexico provided an abundant energy source for the storm. Hurricanes feed on warm ocean water, and the record-high temperatures allowed Milton to draw immense power, fueling its intensification at an accelerated rate. You can learn more about how warm water affects hurricanes here.
  • Eyewall Replacement Process: A meteorological phenomenon known as an eyewall replacement cycle played a significant role in Milton's increase in size. During this process, a new outer eyewall forms around the original inner eyewall, eventually replacing it. While this can sometimes temporarily weaken a storm's intensity, it often leads to a larger storm with a broader wind field. For Milton, this process contributed directly to its overall growth in size.

The Science of Monstrous Storms

The combination of these factors allowed Hurricane Milton to achieve an intensity and growth rate that was truly remarkable. The record-setting warm waters supplied the initial energy for its rapid strengthening, enabling it to reach extreme wind speeds. Subsequently, the eyewall replacement process broadened its structure, contributing to its larger physical footprint.

Understanding these mechanisms is crucial for meteorologists to better predict and prepare for such powerful and fast-developing weather events.