Water deficits in the West will shrink overall through March 2021, but anomalies will remain widespread and will be intense in Arizona, New Mexico, central Colorado, western Wyoming, and pockets of Southern California. Deficits in North Dakota will intensify, becoming exceptional.
United States: Water surpluses to persist in the Plains States & Upper Midwest
The forecast through March 2020 indicates persistent, widespread water surpluses in the Plains States and Upper Midwest with exceptional anomalies in the Dakotas and central Nebraska. Intense deficits will persist in central Colorado and the Salmon River Mountains in Idaho, and deficits will emerge in eastern Texas. Moderate surpluses are forecast for several states in U.S. Southeast.
United States: Widespread water surplus to persist in SD, NE, KS, OK
Widespread water surpluses observed in prior months will shrink through November. However, a broad column of surplus is forecast from southern North Dakota reaching into north-central Texas with intense anomalies in South Dakota. Other areas of surplus include eastern Nevada into western Utah, Wyoming, and California from San Francisco through the southwest. A pocket of exceptional deficit is expected in the central Everglades.
United States: Exceptional water surpluses forecast for S. Dakota
The forecast through August 2019 indicates persistent water surpluses in a wide path through the center of the country in the Mississippi River Basin and well into the Missouri, Arkansas, and Red River Basins, including exceptional anomalies in South Dakota. Surpluses of varying intensity are expected in the Rockies, central Arizona, California, Oregon, and in the Northeast. Deficits are forecast for pockets of Washington, North Dakota, Wisconsin, and southeastern states.
United States: Widespread water surpluses to continue
The forecast through July indicates widespread water surpluses of varying intensity a vast area on either side of the Mississippi River. Exceptional anomalies are forecast around Sioux Falls, and along the Mississippi River on either side of Memphis and from Louisiana to the Gulf. Surpluses will increase in the Rockies and shrink slightly and moderate in California. In the Pacific Northwest, deficits will shrink in Washington; Oregon will transition from deficit to moderate surplus.