Emergency Management Agency
Vermilion County, Illinois

Ted Fisher, Director
2507 Georgetown Road
Danville, IL 61832
Phone:  (217) 443-6010
Fax: (217) 443-6653
 

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Flood Watches, Advisories & Warnings
 
Flash Flood Watch
Issued generally when there is the possibility of flash flooding or urban flooding over an area within the next 6 to 36 hours.
 
Flood Watch
Issued when there is the possibility of widespread general flooding over an area within the next 6 to 36 hours.
 
Flood  Advisory
Issued when flooding is imminent or occurring, generally within the next 1 to 3 hours, but is not expected to substantially threaten life and property.
 
Flash Flood Warning
Issued when very rapid flash flooding is imminent or occurring, generally within the next 1 to 6 hours. Usually issued based on observed heavy rainfall (measured or radar estimated), but may also be issued for significant dam or levee breaks that have occurred or are imminent.
 
Flood Warning (Issued in two instances)

1.   As an extension of a Flash Flood Warning, when widespread large scale flooding will continue beyond the 6 hours of the original Flash Flood Warning, as a result of recent heavy rainfall. This is known as an Area Flood Warning. 

2.   Issued when a river gauge has exceeded, or is forecast to exceed, a pre-determined flood stage.

 
Flash Flood Statement
Issued for follow-up information on existing Flash Flood Warnings.  It can contain information on reported rainfall, radar estimates of rain, and forecast amounts of rain in the future.
 
Flood Statement
Issued for follow-up information on existing Flood Warnings, either for Area Flood Warnings or Flood Warnings issued for river gauges that have exceeded flood stage.