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River levels and flood conditions.
Current observations 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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