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  2. Flood watch issued for NW Oregon, Willamette River in ... - AOL

    www.aol.com/flood-watch-issued-nw-oregon...

    The Santiam River at Jefferson is also expected to reach “action stage.” The real-time river levels and projection of all Oregon rivers can be seen here: https: ...

  3. Flood stage - Wikipedia

    en.wikipedia.org/wiki/Flood_stage

    The zero level can be arbitrary, but it is usually close to the bottom of the stream or river or at the average level of standing bodies of water. Stage was traditionally measured visually using a staff gauge, which is a fixed ruler marked in 1/100 and 1/10 foot intervals, [ 3 ] however electronic sensors that transmit real-time information to ...

  4. Sending emergency alerts is complicated. How to stay ... - AOL

    www.aol.com/sending-emergency-alerts-complicated...

    The National Water Prediction Service, a product of the National Oceanic and Atmospheric Administration, predicts flood risk and maintains real time water level gauges on rivers.

  5. Flood forecasting - Wikipedia

    en.wikipedia.org/wiki/Flood_forecasting

    Flood forecasting is an important component of flood warning, where the distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to tell decisions on warnings of floods.

  6. Hydrographic office - Wikipedia

    en.wikipedia.org/wiki/Hydrographic_office

    In addition to significant hydrographic data holdings (single & multibeam), CHS operates 78 permanent water level stations, a real time water level and forecast system in the St. Lawrence River, and participates in the operation of Atlantic & Pacific tsunami warning systems.

  7. River levels in WNC: Flooding recorded at French Broad ... - AOL

    www.aol.com/river-levels-wnc-flooding-recorded...

    Evacuation orders have been issued for several areas near flooded rivers in Buncombe County and surrounding areas, as record flooding is anticipated.

  8. Hydrograph - Wikipedia

    en.wikipedia.org/wiki/Hydrograph

    A stream hydrograph is commonly determining the influence of different hydrologic processes on discharge from the subject catchment. Because the timing, magnitude, and duration of groundwater return flow differs so greatly from that of direct runoff, separating and understanding the influence of these distinct processes is key to analyzing and simulating the likely hydrologic effects of ...

  9. Amazon river levels fall due to lack of rain, hurting navigation

    www.aol.com/news/amazon-river-levels-fall-due...

    The Brazilian Geological Service (SGB) has warned that water levels have been falling since June and all rivers in the Amazon basin are expected to drop below their historical levels. In Manaus ...