Heavy Rain in Central United States
acquired April 19 - 25, 2011
Color bar for Heavy Rain in Central United States

With rivers in the Midwestern United States already full from thawing winter snow cover, severe rainfall in late April added to the troubles for the region. The National Weather Service predicted in February that the region was primed for flooding, and so far it has lived up to the advanced billing. On the afternoon of April 26, 2011, the Advanced Hydrological Prediction Service (AHPS) was reporting major flooding at 48 river gauges and moderate flooding at 86 gauges along central U.S. rivers.

This map depicts rainfall for the Midwestern U.S. from April 19 to 25, 2011. The estimates were made from the Multi-satellite Precipitation Analysis, based on data from the Tropical Rainfall Measuring Mission (TRMM). Shown in shades of green and blue, rainfall estimates range from 150 millimeters (5.9 inches) to greater than 525 millimeters (20.7 inches).

Ground monitors for the AHPS reported 13.70 inches (348 mm) of rainfall in the southeastern Missouri town of Poplar Bluff between April 22-26. The nearby Black River was pouring over its levee in at least 30 places, and people were evacuated from more than 1,000 homes.

Westville, Oklahoma, received 14.96 inches (380 mm) of rain. In Arkansas, the town of Springdale was deluged with 19.70 inches (500 mm), while nearby Fayetteville collected 13.85 inches (352 mm). The governor of Arkansas declared a state of emergency.

In Carbondale, Illinois, and Paducah, Kentucky—both near the confluence of the Mississippi and Ohio rivers—roughly 9 inches (230 mm) fell, leading the governor of Kentucky to declare a state of emergency in advance of a significant flood when the two swollen rivers converge. The U.S. Army Corps of Engineers was planning on April 26 to “take the extraordinary step of intentionally breaching the Birds Point levee in southeast Missouri, just downriver of the confluence, in a bid to reduce the amount of water moving down the Mississippi,” the Associated Press reported. Breaching the levee was expected to flood up to 130,000 acres of farmland.

NOAA's Hydrometeorological Prediction Center was predicting more heavy rain and severe weather through mid-week in the Mississippi and Ohio river valleys; flood warnings and watches were posted for both basins, as well as the Tennessee Valley. On April 25, the rains were accompanied by at least 38 tornadoes, according to the National Weather Service, and conditions were ripe for more in the coming days.

  1. References

  2. National Weather Service (n.d) Advanced Hydrological Prediction Service. Accessed April 26, 2011.
  3. Associated Press, via Yahoo News (2011, April 26). Storms unleash deadly tornado, flooding on Midwest. Accessed April 26, 2011.
  4. The Washington Post (2011, April 26). Capital Weather Gang: Dangerous severe weather outbreak threatens for second straight day. Accessed April 26, 2011.
  5. NOAA National Centers for Environmental Prediction (n.d) Hydrometeorological Prediction Center. Accessed April 26, 2011.

NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science Data and Information System at Goddard Space Flight Center. Caption by Michael Carlowicz.


Heavy Rain in Central United States

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Early Spring Floods in Indiana High Waters along the Ohio and Mississippi Rivers Rising Waters on the Mississippi River Rising Waters on the Minnesota and Mississippi Rivers Rising Waters on the James River Retreating Snow and Advancing Water in the Upper Midwest Receding Snow Sets Stage for Floods near Fargo Spring Flooding in the Upper Midwest Rising Rivers in the U.S. Midwest Rising Waters along the Red River Spring Floods in Saskatchewan Spring Flooding in Manitoba Flooding along the Mississippi River Continued Flooding along the Mississippi Flooding along the James River, South Dakota Flooding in Wake of Levee Breach Spring Floods in the U.S. Midwest and Canada Flooding along the Wabash and Ohio Rivers Flooding at the Junction of the Mississippi and Ohio Rivers Floods Spread South along the Mississippi River High Waters along the Mississippi River Floods Continue along the Mississippi River Flooding Continues along the Red River Flooding in Memphis Flooding in Arkansas Flooding reaches Vicksburg, Mississippi Morganza Floodway, 1973 Floodwaters near Natchez Rising Waters on the Lower Mississippi Morganza Spillway Opens in Louisiana Mississippi Floods in Arkansas and Tennessee Mississippi Floods in Missouri and Tennessee Flooding near New Madrid, Missouri Water in the Morganza Floodway Morganza Floodway after Five Days of Flow Mississippi Floods near Vicksburg Sediment Plume in Lake Pontchartrain Lingering Floods along the Mississippi River Lower Mississippi River Remains Swollen Waters Spread Across Floodway above Morgan City Lay of the Land Between Old River and the Mississippi Floodwaters Recede along Wabash and Ohio Rivers Floodwaters Retreat from Birds Point-New Madrid Floodway Lingering Floods in Louisiana Morganza Floodway Lingering Floodwaters near Vicksburg, Mississippi Sediment from the Mississippi Floods Sediment in the Gulf of Mexico Floods Recede around the Wabash-Ohio Confluence