The observational evidence of the wind field of Hurricane Michael using radar imagery showed an eyewall structure evolution with elliptical, triangular, and square shapes for the first time.
hurricanes, typhoons, & cyclones
Posted inNews
Severe Cyclones May Have Played a Role in the Maya Collapse
Sediment cores from the Great Blue Hole reveal that a series of extreme storms hit the region after 900. The storms may have irreparably damaged an already stressed Maya population.
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Storms Interact but Rarely Merge into Bigger Tempests
The Fujiwhara effect—complex interactions between large storms nearby each other—can steer hurricanes and tropical storms but doesn’t typically create colossal tempests.
Posted inNews
Typhoons Getting Stronger, Making Landfall More Often
New research shows a growing threat from Pacific storms amid climate change.
Posted inEditors' Highlights
A Direct Bridge Between Tropical Cyclones and Ocean Eddies
Tropical cyclones can inject potential vorticity directly into ocean eddies—an alternative way for tropical cyclones to leave fingerprints on the ocean besides the traditional near-inertial wave.
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NOAA Predicts Busy Hurricane Season
FEMA issued new guidance yesterday advising states to prepare for evacuations during the pandemic.
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As the Planet Warms, Intense Storms Become More Common
Thirty-nine years of satellite data reveal that the prevalence of intense hurricanes, cyclones, and typhoons—category 3 and above on the Saffir-Simpson scale—is increasing.
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Hurricanes Hit Puerto Rico’s Mangroves Harder Than Florida’s
The scale and pattern of damage to the Puerto Rican forests suggest a complex interplay between wind, land, and sea.
Posted inNews
Sea Caves Hold Clues to Ancient Storms
Sediments dug up from sea caves help reconstruct past climate, contributing to better storm predictions.
Posted inEditors' Highlights
Examining the Structure of Tropical Cyclones’ Upper Levels
Unique observations used to examine the structure and mass balance of hurricanes’ top levels find that regions of high pressure violate the gradient wind balance.