River levels and flood conditions.
Current obserations from NOAA's geostationary satellites.
Observed precipitation over a 24 hour period
Snow analyses for water equivalent, depth, snowpack temperature, and snow melt.
Upper air observations from radiosonde stations in North America, Pacific Islands, and
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
Temperature, sky conditions, visibility, precipitation type and accumulation, wind speed and
direction, and more as reported by surface observation stations.
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