May 23-25, 2011 Heavy Rainfall and Flooding

A large upper level low pressure spawned heavy rain across south central Nebraska and north central Kansas beginning late Monday night, May 23, 2011, and continuing through Wednesday May 25. Rainfall was widespread and locally heavy, not only via intense thunderstorms, but also steady bands of moderate to heavy rain during the day Wednesday.

The heaviest rain was centered over Phelps county Nebraska. There were reports of over 6 inches of rain near Loomis. Most of Phelps county received 3 to 6 inches of rain.

Another area of heavy rain pounded Smith, Osborne, Jewell and Mitchell counties in North Central Kansas, where 3 to 4 inches of rain was common. River flooding was occurring at Portis, Osborne and Beloit, while many other streams were out of their banks or flowing over county roads.

Radar estimated Storm Total precipitation from around the region, generally including southern Nebraska, northern Kansas and northeast Colorado.

Below is a table of 24-hour rainfall amounts ending at 7:00 am (unless otherwise noted) Wednesday morning, May 25, 2011.   These are just a few of the heavier reports of note. These reports come from a combination of NWS Cooperative Observers and NeRain/CoCoRaHS Observers. 



Rainfall Total

0.2 SW Loomis

6.7 NNW Funk 5.15"
6 NNW Oxford 5.06"
Holdrege NRD Office 4.35" (through 9 am)
0.2 WNW Gibbon 4.29"
0.9 SW Kearney 4.23"
Lebanon, KS 4.03"
Red Cloud Power Plant 3.82"
4.3 E Red Cloud 3.62"
Edison 3.51"
Cawker City 3.31"
4 NE Kearney 3.17"
Beloit, KS 2.90"
Smith Center, KS 2.80"
Orleans 2.72"
Logan, KS 2.66"
Mankato, KS 2.65"


This page was composed by the staff at the National Weather Service in Hastings, Nebraska.

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