National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Choose from the AIRMET types and regions below, or go to the Graphical AIRMET page at AWC.

 

IFR US Turbulence US Icing US Freezing Level US
IFR PacNW Turbulence PacNW Icing PacNW Freezing Level PacNW

 

Instrument Flight Rules (IFR) or Mountain Obscuration - AIRMET SIERRA (12-hour period)
  • Ceilings less than 1000 feet and/or visibility less than 3 miles affecting over 50% of the area at one time.
  • Extensive mountain obscuration
Turbulence - AIRMET TANGO (12-hour period)
  • Moderate Turbulence HIGH level (>FL180)
  • Moderate Turbulence LOW level (sfc-FL180)
  • Low Level Wind Shear (LLWS) below 2000 feet AGL
  • Sustained surface winds of 30 knots or more at the surface
Icing - AIRMET ZULU (12-hour period)
  • Moderate Icing
  • Lowest Freezing Levels
  • Multiple Freezing Levels

 

 Please note that SIGMETs are included in the separate, lower-right graphic above. 

 




 

9-Hour (Smear) AIRMETs for Turbulence, Icing, IFR, Mountain Obscuration