A Cold Front Triggers Midwestern Showers

September 17, 2012 10:15 AM


In the Corn Belt, a cold front is triggering widely scattered showers across the upper Midwest, according to USDA's Joint Ag Weather Facility. In advance of the front, a surge of moisture is resulting in the development of a few showers in the Ohio Valley.

In the West, a few showers linger across the central Rockies. West of the Rockies, warm, dry weather favors fieldwork, including Northwestern winter wheat planting.

On the Plains, isolated showers are confined to the northern half of the region. Across much of the northern and central Plains, however, dry conditions are maintaining concerns about a lack of moisture for winter wheat establishment. In contrast, recent soil moisture improvements are aiding rangeland, pastures, and newly planted winter grains on the southern Plains.

In the South, widespread rain is developing from the central Gulf Coast into the Tennessee Valley. The rain is slowing or halting fieldwork but further reducing long-term precipitation deficits in areas with lingering drought.

The Weather Ahead

During the first half of the week, a moisture-laden storm will affect the South and East. Storm-total rainfall could reach 2 to 4 inches, with locally higher amounts, from the eastern half of the Gulf Coast into the Northeast.

A modest surge of cool air will trail the storm across the Midwest, South, and East, but temperatures will quickly rebound to above-normal levels across the High Plains. Late-season warmth will continue in most areas west of the Rockies, especially in the Northwest.

Elsewhere, little or no rain will fall for the remainder of the week from the Pacific Coast to the Plains and the western Corn Belt.

The NWS 6- to 10-day outlook for September 22-26 calls for below-normal temperatures in most areas from the Plains to East Coast, while warmer-than-normal weather will be confined to Maine, southern Florida, and the West. Meanwhile, drier-than-normal across the majority of the U.S. will contrast with wetter-than-normal conditions across Florida’s peninsula and from the lower Great Lakes region into the Northeast.

Watch today weather forecast from AgDay:



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