Alert archive / Oklahoma / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Feb 23, 2012, 5:45 AM CST for 29 counties in Oklahoma; 8 counties in Texas. It took effect at Feb 23, 2012, 11:00 AM CST. It was in force for 5 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 23, 2012, 5:45 AM CST (11:45 UTC)
- In effect from
- Feb 23, 2012, 11:00 AM CST
- Expired
- Feb 23, 2012, 3:52 PM CST
- In force
- 5 hr
- Issued by
- NWS Norman, OK
All 37 counties
Atoka County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Oklahoma County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 98 km from the middle of the area, began a volume at 11:45 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 00:00Z, 11.8 hours before the alert went out and 89 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
- 3213 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
265 WWUS84 KOUN 231145 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 545 AM CST THU FEB 23 2012 ...STRONG WINDS AND LOW HUMIDITIES ELEVATING FIRE WEATHER CONCERNS... .A COLD FRONT WILL MOVE ACROSS THE REGION TODAY. WINDS WILL SHIFT TO THE NORTHWEST AND NORTH BEHIND THE FRONT. HUMIDITIES WILL ALSO BECOME LOW. CONDITIONS ARE EXPECTED TO IMPROVE AROUND SUNSET. OKZ023>048-050>052-TXZ083>090-240000- /O.NEW.KOUN.FW.W.0004.120223T1700Z-120224T0000Z/ 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- 545 AM CST THU FEB 23 2012 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING FOR STRONG WINDS AND LOW HUMIDITIES FOR PARTS OF CENTRAL AND SOUTHERN OKLAHOMA AND ALL OF WESTERN NORTH TEXAS... THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING. * WIND...NORTH TO NORTHWEST WINDS AT 20 TO 30 MPH WITH HIGHER GUSTS. * HUMIDITY...15 TO 20 PERCENT * TEMPERATURE...HIGHS 61 TO 72 DEGREES. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
3 follow-up statements
159 WWUS84 KOUN 231652 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 1052 AM CST THU FEB 23 2012 ...STRONG WINDS AND LOW HUMIDITIES ELEVATE FIRE WEATHER CONCERNS... .A COLD FRONT WILL MOVE ACROSS THE REGION TODAY. WINDS WILL SHIFT TO THE NORTHWEST AND NORTH BEHIND THE FRONT. HUMIDITIES WILL ALSO BECOME LOW. CONDITIONS ARE EXPECTED TO IMPROVE AROUND SUNSET. OKZ023>048-050>052-TXZ083>090-240000- /O.CON.KOUN.FW.W.0004.120223T1700Z-120224T0000Z/ CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND- POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN- COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON- CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD- WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY- 1052 AM CST THU FEB 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... AT THE REQUEST OF OKLAHOMA FORESTRY A RED FLAG WARNING CONTINUES UNTIL 6 PM PRIMARILY FOR STRONG WINDS ACROSS PARTS OF CENTRAL AND SOUTHERN OKLAHOMA. ...A RED FLAG WARNING ALSO CONTINUES FOR WESTERN NORTH TEXAS UNTIL 6 PM... * WIND...NORTH TO NORTHWEST WINDS AT 20 TO 35 MPH WITH HIGHER GUSTS. * HUMIDITY...NEAR 20 PERCENT * TEMPERATURE...HIGHS 61 TO 72 DEGREES. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
439 WWUS84 KOUN 231707 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 1107 AM CST THU FEB 23 2012 ...STRONG WINDS AND LOW HUMIDITIES ELEVATE FIRE WEATHER CONCERNS... .A COLD FRONT WILL MOVE ACROSS THE REGION TODAY. WINDS WILL SHIFT TO THE NORTHWEST AND NORTH BEHIND THE FRONT. HUMIDITIES WILL ALSO BECOME LOW. CONDITIONS ARE EXPECTED TO IMPROVE AROUND SUNSET. OKZ023>048-050>052-TXZ083>090-240000- /O.CON.KOUN.FW.W.0004.000000T0000Z-120224T0000Z/ 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- 1107 AM CST THU FEB 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... AT THE REQUEST OF OKLAHOMA FORESTRY A RED FLAG WARNING CONTINUES UNTIL 6 PM PRIMARILY FOR STRONG WINDS ACROSS PARTS OF CENTRAL AND SOUTHERN OKLAHOMA. ...A RED FLAG WARNING ALSO CONTINUES FOR WESTERN NORTH TEXAS UNTIL 6 PM... * WIND...NORTH TO NORTHWEST WINDS AT 20 TO 35 MPH WITH HIGHER GUSTS. * HUMIDITY...NEAR 20 PERCENT * TEMPERATURE...HIGHS 61 TO 72 DEGREES. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
316 WWUS84 KOUN 232152 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 352 PM CST THU FEB 23 2012 OKZ023>048-050>052-TXZ083>090-232300- /O.CAN.KOUN.FW.W.0004.000000T0000Z-120224T0000Z/ CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND- POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN- COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON- CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD- WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY- 352 PM CST THU FEB 23 2012 ...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS FOR PORTIONS OF CENTRAL AND SOUTHERN OKLAHOMA AND NORTH TEXAS... THE NATIONAL WEATHER SERVICE IN NORMAN HAS CANCELLED THE RED FLAG WARNING. ALTHOUGH GUSTY NORTHWEST WINDS WILL PERSIST THIS AFTERNOON... WIND SPEEDS ARE GENERALLY DECREASING AND RELATIVE HUMIDITY IS EXPECTED TO REMAIN ABOVE 20 PERCENT FOR THE REMAINDER OF THE AFTERNOON. $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 4:41 AM CST | Wind Advisory | OUN | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 24 more | 13 hr |
Nearby
Red Flag Warnings in Oklahoma, 2012Red Flag Warnings in Texas, 2012Every red flag warning in 2012
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.