Skip to contentCALCHIS
≋floodactive

Flood Warning issued October 17 at 8:48AM CDT until October 18 at 7:00PM CDT by NWS Norman OK

7.0
34.1471°N, 98.5971°W·US-OK
Started just now
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location34.1471°N, 98.5971°W (OK)
Started2026-10-18T12:00:00+00:00
Last Updated2026-10-17T17:00:49.597+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones — modeled
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 WICHITA County, TEXAS Flash Flood79% match

Flash Flood in TEXAS, 7km from current event, $25M in recorded damage

WICHITA County, TEXASDamage: $25.0M
2015 WICHITA County, TEXAS Flash Flood72% match

Flash Flood in TEXAS, 16km from current event, $500K in recorded damage

WICHITA County, TEXASDamage: $500K
2015 WICHITA County, TEXAS Flash Flood67% match

Flash Flood in TEXAS, 22km from current event, $80K in recorded damage

WICHITA County, TEXASDamage: $80K

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.