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Highly unusual early spring flood runoff for Red River Red River Grand Forks, ND / East Grand Forks, MN

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  • Pat N self only
    April 1, 2004 Highly unusual early spring flood runoff for Red River Red River Grand Forks, ND / East Grand Forks, MN by Pat Neuman, Hydrologist (personal
    Message 1 of 1 , Apr 1, 2004
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      April 1, 2004

      Highly unusual early spring flood runoff for Red River
      Red River Grand Forks, ND / East Grand Forks, MN
      by Pat Neuman, Hydrologist (personal effort)

      Snowmelt and 2-3 inches of rain last
      weekend (March 27-28) in North Dakota
      and Minnesota led to this unusual early
      spring flood event.

      Daily flow at East Grand Forks, MN / Grand
      Forks, ND yesterday was one of the top three
      highest daily flows of record (101 years) for
      this early in the spring season (March 31st )
      at the river gage (Table 1).

      This event was especially unusual in that the
      heaviest runoff within the Red River basin
      occurred downstream (northwest) of the gage.

      -------------------------------------------------------

      Table 1: Top three highest flows of record
      for January through March (1904 to current)

      Red River Grand Forks, ND / East Grand Forks, MN

      Year MoDy Daily-Q

      1995 0331 34200

      1999 0331 49700

      2004 0331 [ * ]

      [ * ] Personal estimate: approximately 34,000-36,000

      Key:

      - - - MoDy... Month Day
      - - - Daily... Mean daily flow (cubic feet per second-day)
      - - - one cubic feet per second-day = 86,400 cubic feet

      Daily discharge data is computed by
      the United States Geological Survey (USGS)

      -------------------------------------------------------

      This effort represents personal views only, giving no
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      not be viewed as an official government product.

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      Pat Neuman
      Home only:
      e-mail address: npat1@...
      phone: 952 906 2824
      Chanhassen, MN

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