National Weather Service United States Department of Commerce

Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Aviation Weather Hazard Safety

Welcome to our Aviation Weather Safety page!  Here, you will find information on common weather hazards that can affect the safety of flight.  Click on a section below for more information on a specific hazard:

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Turbulence
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Thunderstorms
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Icing
 
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Ceiling and Visibility
Low Level Wind Shear Safety
Low Level Wind Shear
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