Rain Event 5 15 09

The storm was a fast moving storm that produced large amount of rainfall in a very short period of time. The rain gauge at Healey Street recorded 1.41-inches in a 15 minute period. Of the 1.41inches, approximately .72-inches fell in a 5 minute period. According to the Illinois State Water Survey, .72-inches of rainfall in a 5 minute period equates to a 100-year return interval. 1.41-inches in a 15 minute period equates to approximately a 25-year return interval. Over the next 1 to 2 hours 2.5 to 3 inches fell depending on where you were at in the City. Saturated ground conditions from the storm on 5/13/2009 contributed to the excessive runoff from the 5/15/2009 storm. Storm sewers throughout the City were overwhelmed and unable to keep up with the runoff generated from the storm.

Category:

News & Politics

Tags:

• Champaign
• rain storm

[CloCloGerardrocks]

That was crazy!