Alert archive / Oklahoma / Red Flag Warnings in 2021
Red Flag Warning 11, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Dec 26, 2021, 2:56 AM CST for 13 counties in Oklahoma; 5 counties in Texas. It took effect at Dec 26, 2021, 12:00 PM CST. It was in force for 6 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
- Dec 26, 2021, 2:56 AM CST (08:56 UTC)
- In effect from
- Dec 26, 2021, 12:00 PM CST
- Expired
- Dec 26, 2021, 6:00 PM CST
- In force
- 6 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, Roger Mills County, OK, Tillman County, OK, Washita 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), 84 km from the middle of the area, began a volume at 09:00 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 00:00Z, 8.9 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2376 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
039 WWUS84 KOUN 260856 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 256 AM CST Sun Dec 26 2021 .Record high temperatures and gusty southwest winds will combine with low humidities to create dangerous fire weather conditions this afternoon across western Oklahoma and adjacent parts of northern Texas. OKZ005-011-017-023-038-044-TXZ086-089-261000- /O.CAN.KOUN.FW.A.0009.211226T1800Z-211227T0000Z/ Woods-Major-Blaine-Caddo-Comanche-Cotton-Wichita-Archer- 256 AM CST Sun Dec 26 2021 ...FIRE WEATHER WATCH IS CANCELLED... The National Weather Service in Norman has cancelled the Fire Weather Watch. $$ OKZ004-009-010-014>016-021-022-033>037-TXZ083>085-087-088-270000- /O.UPG.KOUN.FW.A.0009.211226T1800Z-211227T0000Z/ /O.NEW.KOUN.FW.W.0011.211226T1800Z-211227T0000Z/ Harper-Ellis-Woodward-Roger Mills-Dewey-Custer-Beckham-Washita- Harmon-Greer-Kiowa-Jackson-Tillman-Hardeman-Foard-Wilbarger-Knox- Baylor- 256 AM CST Sun Dec 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... * TIMING...Noon to 6 PM today. * WINDS...Southwest 20 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...in the 80s. * IMPACTS...Any fires that are able to start will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will contribute to extreme fire behavior. && $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 6:00 AM CST | Dense Fog Advisory | OUN | Atoka, Bryan, Carter, Coal, Johnston, Love and 2 more | 4 hr |
Nearby
Red Flag Warnings in Oklahoma, 2021Red Flag Warnings in Texas, 2021Every red flag warning in 2021
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.