NB Trend

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. 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