Alert archive / Oklahoma / Red Flag Warnings in 2021
Red Flag Warning 10, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Dec 23, 2021, 2:11 PM CST for 20 counties in Oklahoma; 5 counties in Texas. It took effect at Dec 24, 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 23, 2021, 2:11 PM CST (20:11 UTC)
- In effect from
- Dec 24, 2021, 12:00 PM CST
- Expired
- Dec 24, 2021, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Norman, OK
All 25 counties
Alfalfa County, OK, Beckham 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, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 123 km from the middle of the area, began a volume at 20:08 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, 8.2 hours before the alert went out and 246 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
- 4036 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
994 WWUS84 KOUN 232011 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 211 PM CST Thu Dec 23 2021 ...Windy, very warm, and dry conditions expected Friday afternoon... OKZ004-005-009>011-014>016-021-022-033>036-TXZ083-084-087-250000- /O.UPG.KOUN.FW.A.0008.211224T1800Z-211225T0000Z/ /O.NEW.KOUN.FW.W.0010.211224T1800Z-211225T0000Z/ Harper-Woods-Ellis-Woodward-Major-Roger Mills-Dewey-Custer- Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Hardeman-Foard-Knox- 211 PM CST Thu Dec 23 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CST FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND NEAR RECORD TEMPERATURES FOR WESTERN OKLAHOMA AND PARTS OF NORTH TEXAS... The National Weather Service in Norman has issued a Red Flag Warning for gusty winds, low humidity and near record temperatures which is in effect from noon to 6 PM CST Friday. The Fire Weather Watch is no longer in effect. * TIMING...Noon to 6 PM. * WINDS...Southwest 20 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. 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. && $$
4 follow-up statements
751 WWUS84 KOUN 240840 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 240 AM CST Fri Dec 24 2021 ...Windy, very warm, and dry conditions expected Friday afternoon... OKZ037-TXZ085-088-241645- /O.EXA.KOUN.FW.W.0010.211224T1800Z-211225T0000Z/ Tillman-Wilbarger-Baylor- 240 AM CST Fri Dec 24 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND NEAR RECORD TEMPERATURES PARTS OF WESTERN NORTH TEXAS... The National Weather Service in Norman has issued a Red Flag Warning for gusty winds, low humidity and near record temperatures, which is in effect from noon today to 6 PM CST this evening. * TIMING...Noon to 6 PM. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will contribute to extreme fire behavior. && $$ OKZ004-005-009>011-014>016-021-022-033>036-TXZ083-084-087-241645- /O.CON.KOUN.FW.W.0010.211224T1800Z-211225T0000Z/ Harper-Woods-Ellis-Woodward-Major-Roger Mills-Dewey-Custer- Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Hardeman-Foard-Knox- 240 AM CST Fri Dec 24 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND NEAR RECORD TEMPERATURES FOR WESTERN OKLAHOMA AND PARTS OF WESTERN NORTH TEXAS... * TIMING...Noon to 6 PM. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. 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. && $$
144 WWUS84 KOUN 241626 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 1026 AM CST Fri Dec 24 2021 ...Windy, very warm, and dry conditions expected Friday afternoon... OKZ004-005-009>011-014>016-021-022-033>037-TXZ083>085-087-088- 250000- /O.CON.KOUN.FW.W.0010.211224T1800Z-211225T0000Z/ Harper-Woods-Ellis-Woodward-Major-Roger Mills-Dewey-Custer- Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Tillman-Hardeman-Foard- Wilbarger-Knox-Baylor- 1026 AM CST Fri Dec 24 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND NEAR RECORD TEMPERATURES PARTS OF WESTERN NORTH TEXAS... * TIMING...Noon to 6 PM. * WINDS...Southwest 20 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will contribute to extreme fire behavior. && $$
726 WWUS84 KOUN 242005 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 205 PM CST Fri Dec 24 2021 OKZ006>008-012-013-250000- /O.EXA.KOUN.FW.W.0010.000000T0000Z-211225T0000Z/ Alfalfa-Grant-Kay-Garfield-Noble- 205 PM CST Fri Dec 24 2021 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES FOR NORTH CENTRAL OKLAHOMA... The National Weather Service in Norman has issued a Red Flag Warning for gusty winds, low relative humidity, and warm temperatures, which is in effect until 6 PM CST this evening. * TIMING...Through 6 PM. * WINDS...Southwest 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 25 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. 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. && $$ OKZ004-005-009>011-014>016-021-022-033>037-TXZ083>085-087-088- 250000- /O.CON.KOUN.FW.W.0010.000000T0000Z-211225T0000Z/ Harper-Woods-Ellis-Woodward-Major-Roger Mills-Dewey-Custer- Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Tillman-Hardeman-Foard- Wilbarger-Knox-Baylor- 205 PM CST Fri Dec 24 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES FOR WESTERN OKLAHOMA AND PARTS OF WESTERN NORTH TEXAS... * TIMING...Through 6 PM. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 18 percent. * TEMPERATURES...Low to mid 80s. * IMPACTS...Any fires that start in this environment will become very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will contribute to extreme fire behavior. && $$ Mahale
628 WWUS84 KOUN 250013 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 613 PM CST Fri Dec 24 2021 ...RED FLAG WARNING HAS EXPIRED... OKZ004>016-021-022-033>037-TXZ083>085-087-088-250115- /O.EXP.KOUN.FW.W.0010.000000T0000Z-211225T0000Z/ Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield- Noble-Roger Mills-Dewey-Custer-Beckham-Washita-Harmon-Greer-Kiowa- Jackson-Tillman-Hardeman-Foard-Wilbarger-Knox-Baylor- 613 PM CST Fri Dec 24 2021 ...RED FLAG WARNING HAS EXPIRED FOR NORTHERN AND WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... Temperatures will continue to cool and humidity will continue to rise this evening. However, winds will still be gusty this evening and caution is still urged to prevent the start or spread of any wildfires. $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 3:39 AM CST | Dense Fog Advisory | OUN | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 18 more | 6 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.