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:  Tuesday, Sept. 30, 2014
Time Issued:  9:01 AM MDT
Forecaster: Brad Workman 


A seasonably strong upper-level low tracked eastward across the central Rockies yesterday, providing support for one of the more active severe weather days in the last couple of months. Heavy rain was accompanied by hail and damaging winds in the stronger thunderstorms, taking this flooding season out with a bang. Local Storm Reports from the local NWS offices across the state tell the story:

Heavy rain/flooding reports:

1 mile S of Burdett (Washington County):  4 inches of rain reported, many county roads washed out.

Burdett (Washington County): Extensive flooding of fields and ditches along HWY 61 from Otis to Sterling. HWY 61 was closed due to 18-wheeler accident and flooded sections of the highway.

Hail reports:

1.75 inch diameter – 7 miles N of Elizabeth (Elbert County), Centennial (Arapahoe County), 4 miles E of Pagosa Springs (Archuleta County)

1.50 inch diameter – Aurora (Arapahoe County)

1.25 inch diameter – Centennial (Arapahoe County), Aurora (Arapahoe County), Otis (Washington County)

1.0 inch diameter – Highlands Ranch (Douglas County), Buckley AFB (Arapahoe County), Fort Morgan (Morgan County)

Damaging/severe wind reports:

76 MPH wind gust – Hugo (Lincoln County)

58 MPH wind gust: Fort Morgan (Morgan County)

Thunderstorm wind damage – Fort Morgan (Morgan County): A few trees and limbs blown down in town.

For a complete, statewide overview on 24-hour precipitation, be sure to check the radar-estimated totals map below.

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

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