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Flood warnings for Oklahoma, Arkansas, and Missouri

Heavy rains and flooding are forecast to continue in eastern Oklahoma, Arkansas, and western Missouri, says the National Weather Service. 

By Associated Press / March 21, 2012

City crews examine the remains of a cross street in Waco, Texas, Tuesday, March 20, 2012. A flash flood produced up to six inches of rain, buckling the road and flooding nearby homes and business.

(AP Photo/Waco Tribune Herald, Rod Aydelotte)

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The National Weather Service issued flood warnings Wednesday for eastern Oklahoma, much of Arkansas, and parts of western Missouri. 

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Isolated thunderstorms are possible Wednesday afternoon but flooding concerns in Oklahoma should decrease throughout the week.

The heavy rains and flooding are the result of a strong low pressure system that covers the southern US and will continue to push a cold front eastward throughout Wednesday, according to Weather Underground. Flow around this low pressure system pulls warm and moist air in from the Gulf of Mexico and triggers more heavy rain and severe thunderstorms across the Lower Mississippi River Valley and Southeast. This system will continue causing major flooding problems as it moves eastward throughout the day. Rainfall totals are likely to surpass 3 inches in some areas.  There is a a slight chance that severe thunderstorms will develop over the Southeast on Wednesday. If storms turn severe, expect strong winds, large hail, and possibly a few tornadoes. After the cold front passes, slight cooler temperatures are anticipated. Expect highs to range in the 60s and 70s across the Central US.

IN PICTURES: Extreme Weather 2012

A flood warning remains in place in Oklahoma for the Poteau River near Panama in LeFlore County. The river was at 35.43 feet Wednesday morning — that's more than 2 feet above moderate flood level. Hydrologists predict that the river will crest at 37.2 feet Wednesday evening before dropping below flood stage on Thursday.

The weather service says crops and pasturelands could flood between Shady Point and Arkoma in eastern Oklahoma near the Arkansas border.

The National Weather Service issued flash flood warnings Wednesday for much of Arkansas — including the Little Rock metro area — as rainfall continues to inundate the state.

Forecasters say flash flooding is likely in central Arkansas, where several roads are closed because of high water. Authorities say they've received reports of flooding on Crystal Hill Road in North Little Rock and along Baseline Road in southwest Little Rock.

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