National Weather Service United States Department of Commerce

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. 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:

Turb1
Turbulence
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Thunderstorms
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Icing
 
Ceiling and Visibility
Ceiling and Visibility
Low Level Wind Shear Safety
Low Level Wind Shear
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Density Altitude