Why Iguazú Falls can swell after the local rain stops
More rain is forecast over the Iguaçu basin through October 25, while soil, tributaries and reservoirs shape when that water reaches the falls.
Continue reading →The archive
weather
Hurricane Simon nears Mexico’s coast, where small track shifts matter
An offshore eye can still bring danger ashore, while a small shift toward Mexico’s mountains could accelerate the hurricane’s weakening.
Continue reading →Why Polo’s flood danger outlasted the storm
Rincon’s evacuation order ended with hazards still on the ground, while tropical moisture and a larger weather system sustained heavy rain farther east.
Continue reading →Hurricane Nolo’s cone is not a map of Hawaii’s danger
The center may remain offshore while rain, terrain-amplified wind and damaging waves reach well beyond its forecast path.
Continue reading →What Hurricane Hunters see as a tilted cyclone lines up
Aircraft radar reveals four characteristics associated with vertical alignment, an important step in intensification—but not a guarantee or a validated forecast checklist.
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