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May 14 USDA Weekly Weather Update

All graphics courtesy of USDA, NOAA, Department of Commerce


The same storm system responsible for early-May snow in the nation’s mid-section became cut off from atmospheric steering winds. As a result, the storm spent several days drifting across the central and eastern U.S., finally exiting the northern Atlantic States late in the week. Weekly precipitation exceeded 4 in. in several areas, including the central Appalachians.

During the second half of the week, a new weather system swept across the Midwest, South and East, producing additional showers and closing a brief window of opportunity for fieldwork. Mid- to late-week rainfall was not especially heavy, although many parts of the Corn Belt received in excess of an inch. Farther west, dry weather prevailed across the northern Plains and far Upper Midwest, promoting an acceleration of spring wheat planting and other fieldwork. Across the central and southern Plains, scattered showers limited fieldwork but provided some drought relief.

Elsewhere, hot, dry weather favored a rapid pace of planting and crop development in the Northwest, while isolated showers caused only temporary fieldwork delays from California into the Southwest. Cool weather lingered early in the week across the Plains and South, but warmth returned to many areas as the week progressed. Warmth was most persistent in the Northwest, where weekly temperatures averaged at least 10-15° F above normal. In contrast, readings averaged more than 5° F below normal in parts of the Deep South.


Download the full May 14 WAOB report.

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