Wyoming Water Supply Outlook--April 2009 update

....Above normal spring snowmelt volumes are still forecasted for the Powder, Tongue, and Little Snake River Basins...

...Below normal spring snowmelt volumes are still expected across the Sweetwater and Lower Green Watersheds...

...Wind River Basin (as a whole) is up to near near normal for water supply volumes  for the snowmelt season...

A wet second half of March through early April (especially for areas for basins east of the continental divide) has caused some significant increases in water supply forecasts for certain major watersheds across Wyoming.  Notably, the Wind River Basin's April water supply numbers had the biggest increases--from below average to near normal for the upcoming snowmelt season.

The only major watersheds that had volume forecasts unchanged by the beginning of April were the Powder, Tongue, and Little Snake Basins. These basins are still expected to have above average spring runoff volumes.    The Sweetwater and Lower Green Watersheds are still forecasted to have below to well below average volumes during the spring runoff season.





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