Wyoming Spring 2008 Snowmelt Flood Potential Outlook--March Update

...Moderate to High spring snowmelt flood potential for headwater streams along the Snake, Laramie, Upper North Platte, and Little Snake Watersheds...

...Moderate spring snowmelt flood potential for headwater streams along the Upper Bear, Upper Wind, Powder, and Shoshone Basins...

A great majority of watersheds across Wyoming continued to have near normal to above normal "water" measurements in the mountain snowpack during February and into the middle of March.  Early March snow water equivalents (SWEs) in the mountains were the highest over the Upper Yellowstone, Snake, Laramie, Little Snake, Upper Bear, and Powder River Watersheds.  

This outlook is mainly based on current mountain SWE values and trends.  This outlook also takes into account any long range forecasts for temperature and precipitation spring snowmelt.  Any rainfall and/or drastic temperature increases during the snowmelt will greatly increase the amount of runoff and will also greatly increase the potential for snowmelt flooding.

The complete Wyoming Spring 2008 Snowmelt Flood Potential graphic:



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