Alert archive / Oklahoma / Flood Watches in 2026

Flood Watch 4, NWS Tulsa, OK

June 21, 20268 counties in Oklahoma; 7 counties in Arkansas

NWS Tulsa, OK issued this flood watch at Jun 21, 2026, 12:00 PM CDT for 8 counties in Oklahoma; 7 counties in Arkansas. It took effect at Jun 21, 2026, 7:00 PM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Jun 21, 2026, 12:00 PM CDT (17:00 UTC)
In effect from: Jun 21, 2026, 7:00 PM CDT
Expired: Jun 22, 2026, 9:25 AM CDT
In force: 14 hr
Issued by: NWS Tulsa, OK
Flood severity: None

Counties Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, LeFlore County, OK, Mayes County, OK, Ottawa County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 76 km from the middle of the area, began a volume at 16:59 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.0 hours before the alert went out and 121 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 939 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Tulsa, OK wrote its last area forecast discussion before this flood watch went out at Jun 21, 6:32 AM CDT, 5 hours 28 minutes earlier.

Area forecast discussion, Jun 21, 6:32 AM CDT, 5 hours 28 minutes before

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Hazardous weather outlook, Jun 21, 4:49 AM CDT, 7 hours 11 minutes before

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In the hours before

Special weather statement, Jun 21, 6:37 AM CDT, 5 hours 23 minutes before

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Special weather statement, Jun 21, 7:25 AM CDT, 4 hours 35 minutes before

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Special weather statement, Jun 21, 7:54 AM CDT, 4 hours 6 minutes before

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Special weather statement, Jun 21, 8:30 AM CDT, 3 hours 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 5:29 AM CDT	Special Weather Statement	TSA	Osage	61 min
Jun 21, 6:37 AM CDT	Special Weather Statement	TSA	Osage, Washington	53 min
Jun 21, 6:52 AM CDT	Severe Thunderstorm Warning	TSA	Osage	38 min
Jun 21, 7:25 AM CDT	Special Weather Statement	TSA	Osage	35 min
Jun 21, 7:30 AM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Jun 21, 7:54 AM CDT	Special Weather Statement	TSA	Nowata, Osage, Washington	36 min
Jun 21, 8:30 AM CDT	Special Weather Statement	TSA	Pawnee, Washington	30 min
Jun 21, 9:14 AM CDT	River Flood Warning	TSA	Ottawa	3 days

Nearby

Flood Watches in Oklahoma, 2026 Flood Watches in Arkansas, 2026 Every flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.