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Flash Flood Warning issued July 28 at 8:20PM MDT until July 28 at 11:15PM MDT by NWS Denver CO

8.0

40.6089° N, 103.3411° W·US-CO

Started 2h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location40.6089°N, 103.3411°W (US-CO)

Started2026-07-29T02:20:00+00:00

Last Updated2026-07-29T05:00:28.931+00:00

Sourcenoaa_ahps

Source URLapi.weather.gov

Confidence1.00

Impact Zones

Catastrophic Impact Zone

Flash flooding or major flood stage. Immediate danger to life and property.

NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

Note: Zone 1 uses NWS polygon geometry. Exposure for this zone is pending polygon-based computation — totals reflect outer zones only.

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison

2023 LOGAN County, COLORADO Flash Flood (2023)75% match

Flash Flood in COLORADO, 5km from current event, $100K in recorded damage

LOGAN County, COLORADODamage: $100K

2013 WASHINGTON County, COLORADO Flood (2013)74% match

Flood in COLORADO, 21km from current event, $10M in recorded damage

WASHINGTON County, COLORADODamage: $10.0M

2015 LOGAN County, COLORADO Flood (2015)74% match

Flood in COLORADO, 4km from current event, $100K in recorded damage

LOGAN County, COLORADODamage: $100K

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

View on Live Map

US-CO flood hazard profile All US hazard profiles Scoring methodology

Zone estimates are based on scientific models and may differ from actual local conditions.