Remnants of tropical storms moving inland can produce heavy rainfall across the southwestern United States, including California, Arizona, Utah, Colorado, and New Mexico.
October 11, 2025
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temporal
General meteorological behavior of tropical cyclone remnants affecting the U.S. Southwest.
Tropical storms can produce heavy rainfall that may cause flash flooding, with flash flood risk elevated in areas of higher terrain.
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hazard
General precipitation and flooding hazards associated with tropical storms.
Tropical storms can generate potentially life-threatening surf conditions and rip currents along coastal areas.
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hazard
Coastal marine hazards commonly produced by tropical storms.
Post-tropical cyclones and tropical storms in the eastern Pacific can produce heavy rainfall that triggers flooding and landslides in Mexico.
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meteorological
Tropical systems and their remnants offshore western Mexico can produce heavy precipitation over Mexican states, leading to hydrological and geomorphological hazards.
Tropical storms can produce heavy rain, strong winds, flooding, and rough surf, creating hazards for coastal and island communities.
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hazard
Common impacts associated with tropical storms regardless of specific storm events.