National Weather Service United States Department of Commerce

Severe Thunderstorms for the Eastern Third of the Country; Ice Storm into Portions of Great Lakes and Northeast

Severe thunderstorms containing large hail, damaging winds, tornadoes and frequent lightning with heavy rainfall will spread from the Mississippi, Ohio, Tennessee Valleys today then to the East Coast on Monday. Meanwhile, a significant ice storm continues across parts of the Upper Midwest and Great Lakes and Upstate New York and northern New England. For the Southwest, critical fire conditions. Read More >

 
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Aviation Advisories
Before departure, call 1-800-WX-BRIEF for latest weather and file flight plans.
Advisories Observations Forecasts Aviation Info
AWC - Icing/Turbulence/Freezing Level and Volcanic Ash
Icing | Turbulence | Freezing Level | Volcanic Ash
Center Weather Service Units
Seattle | Oakland | Los Angeles | Salt Lake | Albuquerque | Denver
CWSU Advisories
Seattle | Oakland | Los Angeles | Salt Lake | Albuquerque | Denver
Airmets/Sigmets and Convective Sigmets
Convective-SIGMETS
GRAPHICAL-AIRMETS
AIRMET & SIGMET WEBPAGE
TEXT Products Zulu (Icing) Sierra (IFR and Mountain Obscuration) Tango (Turbulence)