The Colorado Flood Threat Bulletin offers a daily assessment of flood potential around the state, issued at 11:00 am each day from May through September.

This product is issued  daily before 11:00 am and is used to identify areas of the state that are at risk of flooding.  Updates can be issued as needed by weather situation.

This product is an outlook of the flood threat and precipitation amount and chance in the state over the next 15 days.

This map is created by merging the 24-hr Storm Total Precipitation (STP) product observed regional WSR-88D and the MADIS observational database. Issued at 9:30 am every day.

Issue Date:  Saturday, Sept. 20, 2014
Time Issued:  8:54 AM MDT
Forecaster: Brad Workman 


The upper-level ridge maintained control over the state yesterday, but was flattened by a passing, upper-level trough that moved across the northern Rockies yesterday. This allowed for some moisture to return to the state and provided a bit of upper-level “support” for the increase in showers and thunderstorms. Most activity occurred across the higher terrain (especially across the northern half of Colorado), but a few storms moved over the northeastern plains. Rainfall was generally less than 0.1 inches, but a few of the higher reports from CoCoRaHS are Morgan County (0.89 inches) and Weld County (0.58 inches).

For an overview of statewide rainfall, be sure to check the 24-hour, radar-estimated precipitation map below. No flash flooding occurred yesterday.

Map Update: Our forecasters will continue to monitor weather conditions over all of Colorado's burn areas throughout the summer. 
*Radar-estimated rainfall under 0.25 inches not shown

The State of Colorado makes no warranties or guarantees, either expressed or implied as to the completeness, accuracy, or correctness of the data portrayed in this product nor accepts any liability, arising from any incorrect, incomplete or misleading information contained therein.  All information, data and databases are provided "as is" with no warranty, expressed or implied, including but not limited to, fitness for a particular purpose. 

By accessing this website and/or data contained within the databases, you hereby release the State of Colorado, its employees, agents, contractors, and suppliers from any and all responsibility and liability associated with its use. In no event shall the State of Colorado or its officers or employees be liable for any damages arising in any way out of the use of the website, or use of the information contained in the website herein including, but not limited to the Flood Threat Portal.  

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