Skip to contentCALCHIS
≋floodactive

Flood Warning issued September 30 at 11:37PM CDT until October 1 at 1:00PM CDT by NWS Omaha/Valley NE

7.0
40.7267°N, 96.1500°W·US-NE
Started 2h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location40.7267°N, 96.1500°W (NE)
Started2026-10-01T04:37:00+00:00
Last Updated2026-10-01T06:40:49.688+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
2019 SARPY County, NEBRASKA Flood74% match

Flood in NEBRASKA, 47km from current event, $420M in recorded damage

SARPY County, NEBRASKADamage: $420.0M
2019 FREMONT County, IOWA Flash Flood74% match

Flash Flood in IOWA, 28km from current event, $14M in recorded damage

FREMONT County, IOWADamage: $14.0M
2015 LANCASTER County, NEBRASKA Flood72% match

Flood in NEBRASKA, 44km from current event, $100M in recorded damage

LANCASTER County, NEBRASKADamage: $100.0M

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

View on Live Map
Related
Otoe County, NE disaster historyAll US hazard profilesScoring methodology

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.

Get Started FreeCompare plans

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.