Happy Tipping Point Day(Colorado) - Mountain Buzz
 



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Old 04-09-2020   #1
swimming
 
Golden, Colorado
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Happy Tipping Point Day(Colorado)

For lack of a better term, Happy Tipping Point Day!

On page two of the daily Down River Flow Report are graphs that display the two week status of various snow pack and river flow parameters. Below is the graph of Colorado clipped from today's report which includes plotted in green the total inches of water in the snow pack recorded at Colorado's 114 SNOTEL Sites (which happen to be at an average elevation of 10,188 feet).

All winter in Colorado we gain snow pack water and the the dashed green line goes uphill to the right. The solid green line is a trend line that best mathematically fits the daily points along the green dashed line. Since yesterday the number at the tip of the bright green arrow changed from a positive number to a negative number, hence instead of gaining snow pack each day we are now losing snow pack at an average trend of -.89 inches as of today. So, Happy Tipping Point Day for Colorado. You can see what the other states are doing on their graphs on page two. Utah and New Mexico have also tipped. Wyoming, Montana, Idaho, Oregon and Washington have not tipped.

This negative number will get larger each day as runoff accelerates. A large snowfall or cold spell may stall this negative numbers increase. The parameters of precipitation(blue) and temperatures(red) that may influence melt rates are also included on the graph.

The black lines are associated with the River Index for a state. It is a complex number calculated by the USGS, and I see now for some reason it is not plotting. Oh well, I hate it when that happens.
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Old 04-09-2020   #2
 
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Wheat Ridge, Colorado
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Screw Tipping Points so early in the season! I want to see some big storms come rolling in off the Pacific, dumps of 3 feet in the mountains, then chilly weather to hold the snow with no melt out starting until June!
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Old 04-09-2020   #3
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Golden, Colorado
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Quote:
Originally Posted by Andy H. View Post
Screw Tipping Points so early in the season! I want to see some big storms come rolling in off the Pacific, dumps of 3 feet in the mountains, then chilly weather to hold the snow with no melt out starting until June!
Let's then just call it "Tipping Point Day, For Better or Worse".

I can see your desire not to have runoff now cause what good is it if we can't use it. However, delaying tipping point day to that late would result in a flood runoff. Typically, a late runoff initiation results in rivers out of their banks, closures and washed out rapids. Oh well. In Colorado, it is Tipping Point Day.
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