NB Trend

Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Select the information below to display the National Blend MOS data (NBH and NBS). "Short Display" limits the display to approximately now to 25 hours in the future. The thickest line is the latest run, and the lines become more faded as they get older. Some parameters will have additional graphs displayed below. Individual data is below the graphs (with hover capability) from most recent run (0) to older. Additional Flight Category options are available (FLC, MVF, IFF, LIF). Generally TAF sites are available (select Other to manually enter a site ID).
New National Blend Request: Short Display		METAR and TAF from AWC