Wyoming Area Snowmelt Runoff Forecast - Bighorn Basin 04-March-2010

The Wyoming Area Office of the Bureau of Reclamation in Mills, Wyo., has prepared snowmelt runoff forecasts for the Shoshone and Wind Rivers of the Bighorn River Basin, according to John H. Lawson, Wyoming Area Manager. The March 1 forecast of the spring snowmelt runoff indicates below average April through July snowmelt runoff can be expected at all forecast locations within the Bighorn Basin in Wyoming.

The Shoshone River portion of the Bighorn River Basin forecasted inflow to Buffalo Bill Reservoir during the April through July period is 450,000 acre feet (AF) (68 percent of average), compared to a 30 year average of 660,000 AF.

In the Wind River portion of the Bighorn River Basin, the April through July snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 110,000 AF (78 percent of average), and the snowmelt runoff into the Wind River above Bull Lake Creek is expected to be 230,000 AF (57 percent of average). The forecasted inflow to Boysen Reservoir for the April through July period is 350,000 AF (63 percent of average), compared to a 30 year average of 553,000 AF.

The Wyoming Area Office uses the most recent 30 year period (1980-2009) to determine average.

Contact:
John H. Lawson, (307) 261-5671
Buck Feist, (406) 247-7607

	State News

	Thursday, March 4, 2010 Wyoming Area Snowmelt Runoff Forecast - Bighorn Basin Source: Bureau of Reclamation, Great Plains Region Service

	The Wyoming Area Office of the Bureau of Reclamation in Mills, Wyo., has prepared snowmelt runoff forecasts for the Shoshone and Wind Rivers of the Bighorn River Basin, according to John H. Lawson, Wyoming Area Manager. The March 1 forecast of the spring snowmelt runoff indicates below average April through July snowmelt runoff can be expected at all forecast locations within the Bighorn Basin in Wyoming. The Shoshone River portion of the Bighorn River Basin forecasted inflow to Buffalo Bill Reservoir during the April through July period is 450,000 acre feet (AF) (68 percent of average), compared to a 30 year average of 660,000 AF. In the Wind River portion of the Bighorn River Basin, the April through July snowmelt runoff into Bull Lake Reservoir from Bull Lake Creek is expected to be 110,000 AF (78 percent of average), and the snowmelt runoff into the Wind River above Bull Lake Creek is expected to be 230,000 AF (57 percent of average). The forecasted inflow to Boysen Reservoir for the April through July period is 350,000 AF (63 percent of average), compared to a 30 year average of 553,000 AF. The Wyoming Area Office uses the most recent 30 year period (1980-2009) to determine average. Contact: John H. Lawson, (307) 261-5671 Buck Feist, (406) 247-7607

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