Alert archive / Oklahoma / River Flood Warnings in 2026

River Flood Warning 4, NWS Norman, OK

June 21, 2026Grant County, Kay County, Oklahoma

NWS Norman, OK issued this river flood warning at Jun 21, 2026, 2:40 PM CDT for Grant County, Kay County, Oklahoma. It took effect at Jun 22, 2026, 6:45 AM CDT. It was in force for 43 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 2026, 2:40 PM CDT (19:40 UTC)
In effect from
Jun 22, 2026, 6:45 AM CDT
Expired
Jun 24, 2026, 1:59 AM CDT
In force
43 hr
Issued by
NWS Norman, OK
Area
Storm-based polygon
Flood severity
Moderate

Counties Grant County, OK, Kay County, OK

The radar

The Vance AFB radar (KVNX), 59 km from the middle of the area, began a volume at 19:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Chikaskia River near Blackwell (BLKO2). The gauge peaked at 33.72 ft at Jun 22, 2026, 2:00 PM CDT.

actionminormoderatemajor10203006/2106/2206/2306/2406/25
Action stage
26 ft
Minor stage
29 ft
Moderate stage
30 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07152000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this river flood warning went out at Jun 21, 2:08 PM CDT, 32 minutes earlier.

Area forecast discussion, Jun 21, 2:08 PM CDT, 32 minutes before
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In the hours before

Special weather statement, Jun 21, 8:47 AM CDT, 5 hours 53 minutes before
Special Weather Statement
National Weather Service Norman OK
847 AM CDT Sun Jun 21 2026

OKZ020-026-211415-
Payne OK-Lincoln OK-
847 AM CDT Sun Jun 21 2026

...Strong thunderstorms will impact portions of northeastern Lincoln
and southeastern Payne Counties through 915 AM CDT...

At 847 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles west of Quay to near Ripley to near
Perkins. Movement was east at 25 mph.

HAZARD...Wind gusts of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Cushing, Perkins, Yale, Ripley, Agra, Quay, Avery, and Ingalls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3584 9680 3600 9707 3606 9696 3617 9682
      3616 9682 3616 9662 3592 9662
TIME...MOT...LOC 1347Z 280DEG 24KT 3614 9678 3605 9689 3599 9707

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

JT

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 5:22 AM CDTSpecial Weather StatementOUNKay38 min
Jun 21, 6:01 AM CDTSpecial Weather StatementOUNKay29 min
Jun 21, 6:23 AM CDTAreal Flood AdvisoryOUNKay3 hr
Jun 21, 7:20 AM CDTAreal Flood AdvisoryOUNKay115 min
Jun 21, 8:09 AM CDTSpecial Weather StatementOUNPayne36 min
Jun 21, 8:17 AM CDTRiver Flood WatchOUNGrant, Kay6 hr
Jun 21, 8:47 AM CDTSpecial Weather StatementOUNPayne28 min
Jun 21, 6:38 PM CDTSpecial Weather StatementOUNHarper37 min
Jun 21, 6:45 PM CDTSpecial Weather StatementOUNWoods30 min
Jun 21, 6:48 PM CDTSevere Thunderstorm WarningOUNEllis, Harper, Woodward42 min

Nearby

River Flood Warnings in Oklahoma, 2026Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.