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FloodCO

Colorado Flood Hazard Profile

Climate-Adjusted Hazard Data · Model Version 1.0

Overview

Colorado faces flash flood hazard in Front Range urban corridors and mountain canyons, plus post-fire debris flow hazard following wildfire seasons. The 2013 Front Range floods demonstrated the catastrophic potential of persistent rainfall over steep terrain. NOAA AHPS gauge data shows rapid stage rises characteristic of Rocky Mountain drainages.

Notable Historical Events

12013 Front Range Floods — 18,000+ homes damaged, 10 fatalities (FEMA DR-4145)
21976 Big Thompson Canyon — 144 fatalities, benchmark CO flash flood event
32023 post-Cameron Peak debris flows — fire-flood compound hazard

Hazard Scoring Approach

CivilSense computes a Climate-Adjusted Hazard Score (0–10) for flood hazard at any US address. The score is composed of weighted sub-components derived from federal data sources and peer-reviewed research. All score components are transparent and returned in API responses.

These are hazard scores — physical intensity likelihood only. They do not include property exposure or vulnerability data. We never call a hazard score a risk score. See the full methodology for scoring details.

Analyze Your Address

Enter any Colorado address to see location-specific flood hazard scoring with full methodology transparency.

Open Live Map — Colorado

Data Sources

FEMA National Flood Hazard Layerwww.fema.gov
NOAA AHPS River Gaugeswater.weather.gov
Colorado Water Conservation Boardcwcb.colorado.gov

Related

Colorado WildfireColorado Severe WeatherFlood Methodology

Climate-Adjusted Hazard Score — derived from peer-reviewed sources listed above. Property exposure data not included. Not a substitute for professional actuarial assessment. For situational awareness only — not for emergency response.

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For situational awareness only — not for emergency response.

Data: USGS · NOAA · FEMA · NASA FIRMS · GDELT