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Climate Change

Extreme Weather Events Extreme Weather Seasonal Changes Tropical Cyclones Seasonal Transitions Impact on Regions Meteorological Data Storm Prediction Environmental Impact Meteorological Events

Monsoon Officially Begins in Arizona as High-Country Storms Bring Hail and Lightning

Forecasters warn short-term drying will heighten fire and heat risks across much of Arizona.

Weather Satellites Reveal Decade of Venus Cloud-Top Temperature Variations