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Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Overview

A significant rain event occurred late Friday into Saturday across northeast Missouri, extreme southeast Iowa, and west central Illinois which resulted in flash flooding and a rapid rise on the Fox River near Wayland, Missouri.  A slow moving mesoscale convective vortex (MCV) tracked over the area and brought very heavy rain in a short amount of time.  Rainfall amounts between 4 and 8 inches fell in less than 6 hours which caused many stalled vehicles and several water rescues in the towns of Kahoka, Missouri and Keokuk, Iowa.  A culvert was washed out south of Kahoka and many secondary roads had water over them.  Other towns that received heavy rain were Fort Madison, Iowa and Burlington, Iowa.

A new daily rainfall record of 6.14" of rain occurred in Burlington, which broke the previous record of 2.03" back in 1903.  This record also is the second highest daily rainfall on any given day in Burlington.  The wettest day was 6.28" on June 29th, 1933.

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Highest Rainfall Reports with Radar Estimates from Aug 5th
Yellow ~ 2.5" or Greater, Red ~ 4" or Greater, White ~ 6" or Greater
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Daily Rainfall Record - Burlington Iowa Summary Graphic WPC Surface Front/Pressure Analysis at 06z 08/05
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