Ag Weather Impacts

Ag Weather Impacts

Dennis Hull
Dennis Hull
For this first week of September, we are looking at one significant weather disturbance to affect the Columbia Basin with showers and a few thunderstorms late Thursday and Friday. Rainfall amounts should be mainly a tenth to quarter inch. Many areas, though will experience delays to haying and the rain could crust soils where wheat has been deep seeded. Another chance for rain is possible for Saturday night or Sunday. Chemical applicators over the northern Columbia Basin will have to contend with a slight increase in winds this afternoon compared to Monday in response to a passing low pressure area. The strongest winds of 15 to 20 mph will be in the Kittitas valley. Lighter winds are expected Wednesday and Thursday, but then there's that washoff risk Thursday night and Friday. Dew formation should be moderate to locally heavy tonight and Wednesday night in the irrigated hay fields with the mostly clear skies and light winds. Less dew is expected the rest of the week with more clouds. Crop water use the next 7 days will total between an inch and inch and a quarter for corn, alfalfa, and apples, except close to an inch and a half in the Kittitas valley due to more wind. Lawns and grapes will need between ¾ inch and one inch. This is about 20 percent below normal for early September except close to normal for the Ellensburg area.
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