Alert archive / Oklahoma / Red Flag Warnings in 2022

Red Flag Warning 5, NWS Norman, OK

February 20, 202215 counties in Oklahoma; 5 counties in Texas

NWS Norman, OK issued this red flag warning at Feb 20, 2022, 1:03 PM CST for 15 counties in Oklahoma; 5 counties in Texas. It took effect at Feb 21, 2022, 11:00 AM CST. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 20, 2022, 1:03 PM CST (19:03 UTC)
In effect from
Feb 21, 2022, 11:00 AM CST
Expired
Feb 21, 2022, 8:00 PM CST
In force
9 hr
Issued by
NWS Norman, OK

Counties Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 97 km from the middle of the area, began a volume at 19:06 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

Norman, OK (KOUN), launched 12:00Z, 7.1 hours before the alert went out and 177 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2022-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2022-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2445 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
356 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag 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 red flag warning went out at Feb 20, 12:34 PM CST, 29 minutes earlier.

Area forecast discussion, Feb 20, 12:34 PM CST, 29 minutes before
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Hazardous weather outlook, Feb 20, 12:13 PM CST, 50 minutes before
Hazardous Weather Outlook
National Weather Service Norman OK
1213 PM CST Sun Feb 20 2022

OKZ004>048-050>052-TXZ083>090-211815-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1213 PM CST Sun Feb 20 2022

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Fire Weather...
Gusty winds increasing out of the south-southwest combined with
unseasonably warmer temperatures and very dry air over dry
vegetation will result in elevated to near critical fire weather
conditions this afternoon across western and central Oklahoma and
western north Texas.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

.Fire Weather...
Increasing gustier south-southwest winds will increase the fire
danger conditions to critical across western Oklahoma and western
north Texas during the afternoon hours. Gusty north winds behind
a strong cold front will elevate the fire weather conditions on
Tuesday across western and central Oklahoma.

.Thunderstorms...
Thunderstorms will be possible Monday evening through Tuesday
morning across southwest, central, and southeast Oklahoma and
western north Texas. A few of the storms could be strong to
severe generally southeast of the I-44 corridor, with large hail
and damaging wind gusts as the primary hazards. There is a low
risk of tornadoes in southeastern Oklahoma.

.Winter Weather...
A wintry mix of freezing rain, sleet, and snow will be possible
on Wednesday and Thursday.

.Wind Chill...
Dangerously low wind chill values between zero to negative 10
degrees will be possible on Wednesday morning across western and
northern Oklahoma. Much of our remaining area could see above
zero single digit wind chills.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

Nearby

Red Flag Warnings in Oklahoma, 2022Red Flag Warnings in Texas, 2022Every red flag warning in 2022

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.