Alert archive / Oklahoma / Red Flag Warnings in 2022

Red Flag Warning 12, NWS Norman, OK

March 28, 202221 counties in Oklahoma; 4 counties in Texas

NWS Norman, OK issued this red flag warning at Mar 28, 2022, 1:41 PM CDT for 21 counties in Oklahoma; 4 counties in Texas. It took effect at Mar 29, 2022, 12:00 PM CDT. It was in force for 13 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: Mar 28, 2022, 1:41 PM CDT (18:41 UTC)
In effect from: Mar 29, 2022, 12:00 PM CDT
Expired: Mar 30, 2022, 1:00 AM CDT
In force: 13 hr
Issued by: NWS Norman, OK

All 25 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kay County, OK, Kiowa County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Foard County, TX, Hardeman County, TX, Knox County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 133 km from the middle of the area, began a volume at 18:47 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.7 hours before the alert went out and 250 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3288 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 168 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 Mar 28, 12:48 PM CDT, 53 minutes earlier.

Area forecast discussion, Mar 28, 12:48 PM CDT, 53 minutes before

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Hazardous weather outlook, Mar 28, 12:29 PM CDT, 1 hour 12 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 11:24 AM CDT	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 26 more	33 hr
Mar 28, 2:38 AM CDT	Red Flag Warning	OUN	Foard, Hardeman, Knox	17 hr

Nearby

Red Flag Warnings in Oklahoma, 2022 Red Flag Warnings in Texas, 2022 Every 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.