Snow, heavy at times, will impact the Upper Great Lakes, Washington and Oregon Cascades, and northern Rockies on Friday. Meanwhile, significant ice accumulations are possible for the central Appalachians. Further south, severe thunderstorms may develop along the central Gulf Coast, with heavy rainfall capable of river and/or flash flooding from southern Mississippi to the eastern Carolinas.
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High Resolution Version | National Radar Sites
Alaska | Guam
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River levels and flood conditions.
Current obserations from NOAA's geostationary satellites.
Observed precipitation over a 24 hour period
Upper air observations from radiosonde stations in North America, Pacific Islands, and Caribbean.
Daily maximum and minimum temperatures, snowfall, and 24-hour precipitation totals, as observed by a network of volunteer observers.
Atmospheric and oceanographic conditions reported from a global network of data collecting buoys.
Temperature, sky conditions, visibility, precipitation type and accumulation, wind speed and direction, and more as reported by surface observation stations.
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