Alert archive / Oklahoma / Red Flag Warnings in 2022

Red Flag Warning 24, NWS Norman, OK

April 28, 202219 counties in Oklahoma; 5 counties in Texas

NWS Norman, OK issued this red flag warning at Apr 28, 2022, 1:53 AM CDT for 19 counties in Oklahoma; 5 counties in Texas. It took effect at Apr 29, 2022, 1:00 PM CDT. It was in force for 10 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: Apr 28, 2022, 1:53 AM CDT (06:53 UTC)
In effect from: Apr 29, 2022, 1:00 PM CDT
Expired: Apr 29, 2022, 10:52 PM CDT
In force: 10 hr
Issued by: NWS Norman, OK

All 24 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche 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), 100 km from the middle of the area, began a volume at 06:53 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

Dodge City, (KDDC), launched 00:00Z, 6.9 hours before the alert went out and 288 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: 734 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 2005 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 270 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 Apr 27, 10:51 PM CDT, 3 hours 2 minutes earlier.

Area forecast discussion, Apr 27, 10:51 PM CDT, 3 hours 2 minutes before

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Hazardous weather outlook, Apr 27, 7:17 PM CDT, 6 hours 36 minutes before

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In the hours before

Special weather statement, Apr 27, 8:21 PM CDT, 5 hours 32 minutes before

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Special weather statement, Apr 27, 8:44 PM CDT, 5 hours 9 minutes before

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Special weather statement, Apr 27, 10:40 PM CDT, 3 hours 13 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
Apr 27, 8:21 PM CDT	Special Weather Statement	OUN	Harper	24 min
Apr 27, 8:44 PM CDT	Special Weather Statement	OUN	Harper	31 min
Apr 27, 10:40 PM CDT	Special Weather Statement	OUN	Harper	35 min
Apr 28, 3:38 AM CDT	Special Weather Statement	OUN	Roger Mills	37 min
Apr 28, 4:10 AM CDT	Special Weather Statement	OUN	Custer, Dewey, Roger Mills	35 min
Apr 28, 4:46 AM CDT	Special Weather Statement	OUN	Harper, Woods	44 min
Apr 28, 4:47 AM CDT	Special Weather Statement	OUN	Blaine, Custer	43 min
Apr 28, 5:48 AM CDT	Special Weather Statement	OUN	Alfalfa, Harper, Woods	42 min
Apr 28, 5:50 AM CDT	Special Weather Statement	OUN	Canadian	40 min
Apr 28, 6:46 AM CDT	Special Weather Statement	OUN	Alfalfa, Grant, Kay, Noble	44 min
Apr 28, 8:46 AM CDT	Special Weather Statement	OUN	Logan	29 min
Apr 28, 11:13 AM CDT	Special Weather Statement	OUN	Okfuskee	32 min
Apr 28, 3:05 PM CDT	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 24 more	29 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.