Heavy Rainfall

A nearly stationary frontal boundary is to blame for the heavy rain and flash flooding that affected a large swath of real estate in northern Illinois. Showers and thunderstorms developed along the front Wednesday evening through Thursday morning. Thunderstorm activity sustained itself over the same area for almost 12 hours!

The result was extremely heavy rain, some hail, and plenty of flooding. The hardest hit areas included much of western and southern Lee County, northern Ogle County, far eastern Whiteside County, Carroll County, and western Jo Daviess County. Creeks and streams have filled up and there is a lot of standing water in area farm fields.

Radar-estimated Rainfall

Radar-estimated Rainfall

Isolated pockets of 4 to 6 inches of rain fell along the Route 72 corridor from near Lanark east to Monroe Center, including Shannon, Forreston, Byron, Stillman Valley and Davis Junction. The Dixon, Sterling and Rock Falls area picked up similar rainfall amounts. Southern Lee County—south of Amboy and Sublette—had radar-estimated rainfall totals greater than 8 inches!

More on the Way?!

More on the Way?!

Looking ahead to Thursday evening and overnight, more heavy rain is an unfortunate possibility across our region. Another couple of inches is not out of the question where heavier thunderstorms persist. -Joe

Similar Set-Up for Tonight

Similar Set-Up for Tonight

Local Rainfall Reports over 2 Inches

(observations are recorded by volunteers and submitted to the National Weather Service)

  • Lanark 5.79″
  • Dixon – 5.14″
  • Rock Falls – 5.01″
  • Dixon – 4.97″
  • Mount Carroll – 4.63″
  • Amboy – 3.72″
  • Mount Carroll – 3.07″
  • Galena Territory – 3.04″
  • Sterling – 3.02″
  • DeKalb – 2.70″
  • Amboy – 2.58″
  • Elburn – 2.55″
  • Galena – 2.48″
  • Byron – 2.46″
  • Davis Junction 2.23″
  • Ashton – 2.18″
  • DeKalb – 2.10″
  • Malta – 2.08″
  • Sugar Grove – 2.06″
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Posted under Exactrack|HD, flooding, FutureTrack, rain, weather

This post was written by qni_it on June 19, 2014

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