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Isaac Hits Land, Increasing Chance for Midwestern Rain

August 29, 2012
hurricane isaac
Hurricane Isaac moved inland earlier today in southeastern Louisiana with maximum sustained winds near 80 mph.  

Several inches of rain could be in store for the Midwest, as Hurricane Isaac slowly moves inland.

Isaac will continue to slowly move farther inland, with the remnant circulation expected to reach Missouri by week’s end before turning northeastward across the eastern Corn Belt, according to the USDA's Joint Ag Weather Facility.

Coastal effects, such as storm surge, damaging winds, and salt-water intrusion, will gradually subside, but inland agricultural impacts could include power outages, fresh-water flooding, and degradation in quality of unharvested summer crops such as cotton, rice, and soybeans.

Along and near Isaac’s path through the central Gulf Coast States, rainfall could reach 7 to 14 inches, with isolated amounts near 20 inches. Storm totals in the middle Mississippi Valley and the eastern Corn Belt could reach 4 to 8 inches.

Little or no rain will occur through week’s end across the remainder of the U.S., except for showers in the Intermountain West. Much of the nation will continue to experience late-season warmth, especially across the northern U.S.


Watch this report from AgDay:

The NWS 6- to 10-day outlook for September 3-7 calls for above-normal temperatures nationwide, except for cooler-than-normal conditions along the Pacific Coast. Meanwhile, near- to below-normal rainfall across the southern and western U.S. will contrast with wetter-than-normal weather in the central Plains, Midwest, Northeast, and interior Southeast.

Weather forecasts by region:

In the West, hot, mostly dry weather prevails, except for cool conditions along the Pacific Coast. Northwestern small grain harvesting and other fieldwork activities are advancing with few delays.

On the Plains, hot, dry weather is promoting fieldwork, including winter wheat planting preparations, but maintaining or increasing stress on rangeland and pastures. For the third consecutive day, high temperature will top 100°F as far north as the northern Plains.

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