Skip to contentCALCHIS
≋floodactive

Flood Warning issued October 1 at 6:13AM CDT until October 3 at 1:00AM CDT by NWS Des Moines IA

7.0
42.4350°N, 92.4117°W·US-IA
Started just now
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location42.4350°N, 92.4117°W (IA)
Started2026-10-02T06:00:00+00:00
Last Updated2026-10-01T13:10:51.982+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones
Modeled Inundation
Where the National Water Model's latest analysis puts water inside the warning area. Experimental; the warning polygon is the official boundary.
NWS polygon
Severe Impact Zone
Active flood warning area. Significant property damage possible.
NWS polygon

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

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2008 BLACK HAWK County, IOWA Flood72% match

Flood in IOWA, 15km from current event, $2M in recorded damage

BLACK HAWK County, IOWADamage: $2.0M
2019 BLACK HAWK County, IOWA Flood71% match

Flood in IOWA, 24km from current event, $1M in recorded damage

BLACK HAWK County, IOWADamage: $1.0M
2013 BLACK HAWK County, IOWA Flood71% match

Flood in IOWA, 15km from current event, $500K in recorded damage

BLACK HAWK County, IOWADamage: $500K

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

View on Live Map
Related

Is this event approaching a location you care about?

Calchis tracks live federal event feeds against your own saved addresses and portfolios, and alerts you when a consequence zone reaches one.

Free includes Live map + 3 triggers + 10 bond positions. Analyst is $149/mo for 1,000-location portfolios, ep curves, predictions, parametric triggers.

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