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River Flood Threat

River Flood Threat Levels are based on the stage, or forecast stage, as compared to a river's flood stage.  The highest threat level is used to denote the greatest threat along any river within the County Warning Area having forecast points.  Always refer to latest river forecast products for specific point forecast information and the complete five day forecast.    

River Flood Threat Level

Threat Level Descriptions

Extreme

"An Extreme Threat to Life and Property from River Flooding."

Area river(s) Well Above Major Flood Stage and at approaching Record Flood Stage.  Significant, widespread major flooding is occurring, or forecast to occur during the Day-1 period.    

High

"A High Threat to Life and Property from River Flooding."

Area river(s) at Major Flood Stage.  Major Flooding is occurring, or forecast to occur during the  Day-1 period.    

Moderate

"A Moderate Threat to Life and Property from River Flooding."

Area river(s) at Moderate Flood Stage.  Moderate flooding is occurring, or forecast to occur during the Day-1 period.     

Low

"A Low Threat to Life and Property from River Flooding."

Area river(s) at Minor Flood Stage.  River is at or slightly above bankfull, or forecast to become near bankfull during the Day-1 period.    

Very Low
" A Very Low Threat to Life and Property from River Flooding."

Area river(s) at Action Stage.  River is swollen, near bankfull or forecast to become so during the Day-1 period.      

Non-Threatening
"No Discernable Threat to Life and Property from River Flooding."

Area river(s) below Action Stage.  Elevated water levels are not expected to pose a concern during the Day-1 period.   

Note: Always refer to latest river forecast products for specific point forecast information and the complete five day forecast.