Skip to contentCALCHIS
≋floodactive

Flash Flood Warning issued October 30 at 12:00AM CDT until October 30 at 2:45AM CDT by NWS Topeka KS

8.0
39.9520°N, 96.0660°W·US-KS
Started 1h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity8.0
Statusactive
Location39.9520°N, 96.0660°W (KS)
Started2026-10-30T03:49:00+00:00
Last Updated2026-10-30T05:30:46.943+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones — modeled
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

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
2007 NEMAHA County, KANSAS Flash Flood67% match

Flash Flood in KANSAS, 23km from current event, $400K in recorded damage

NEMAHA County, KANSASDamage: $400K
2015 RICHARDSON County, NEBRASKA Flood64% match

Flood in NEBRASKA, 34km from current event, $125K in recorded damage

RICHARDSON County, NEBRASKADamage: $125K
2008 JOHNSON County, NEBRASKA Flood64% match

Flood in NEBRASKA, 39km from current event, $1M in recorded damage

JOHNSON County, NEBRASKADamage: $1.0M

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, oed export, parametric triggers.

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