Alert archive / Oklahoma / Red Flag Warnings in 2018
Red Flag Warning 21, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Apr 15, 2018, 4:33 PM CDT for 7 counties in Texas; 20 counties in Oklahoma. It took effect at Apr 17, 2018, 11:00 AM CDT. It was in force for 13 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 15, 2018, 4:33 PM CDT (21:33 UTC)
- In effect from
- Apr 17, 2018, 11:00 AM CDT
- Expired
- Apr 18, 2018, 12:00 AM CDT
- In force
- 13 hr
- Issued by
- NWS Norman, OK
All 27 counties
Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche County, OK, Cotton 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, Archer County, TX, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 84 km from the middle of the area, began a volume at 21:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 9:25 PM CDT | NON-TSTM WND GST 60 | 1 Sw Buffalo, OK | BUFFALO MESONET SITE. |
| Apr 17, 9:40 PM CDT | NON-TSTM WND GST 59 | 1 Sw Buffalo, OK | |
| Apr 17, 11:20 PM CDT | NON-TSTM WND GST 58 | 13 Nne Camp Houston, OK | |
| Apr 17, 11:25 PM CDT | NON-TSTM WND GST 59 | 7 W Watonga, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.6 hours before the alert went out and 157 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
- 1095 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
441 WWUS84 KOUN 152133 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 433 PM CDT Sun Apr 15 2018 ...Critical to extreme fire weather conditions return to parts of the area Monday and Tuesday... OKZ021-033-034-036-TXZ083>085-087-088-160545- /O.UPG.KOUN.FW.A.0020.180417T1600Z-180418T0200Z/ /O.NEW.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ /O.NEW.KOUN.FW.W.0020.180416T1700Z-180417T0200Z/ Beckham-Harmon-Greer-Jackson-Hardeman-Foard-Wilbarger-Knox-Baylor- 433 PM CDT Sun Apr 15 2018 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT MONDAY FOR FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... The National Weather Service in Norman has issued a Red Flag Warning for warm, very dry and breezy conditions, which is in effect from noon to 9 PM CDT Monday. A Red Flag Warning has also been issued from 11 AM to 9 PM CDT Tuesday. The Fire Weather Watch is no longer in effect. * TIMING...Noon through 8 PM Monday and 11 AM through 8 PM Tuesday. * WINDS...South 15 to 25 mph with gusts up to 35 mph Monday. Southwest 20 to 30 mph with gusts up to 45 mph Tuesday. * RELATIVE HUMIDITY...As low as 10 to 15 percent Monday and 4 to 7 percent Tuesday. * TEMPERATURES...Highs in the mid 80s Monday and mid 90s Tuesday. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$ OKZ004-009-010-014>016-022-035-037-TXZ086-089-160545- /O.UPG.KOUN.FW.A.0020.180417T1600Z-180418T0200Z/ /O.NEW.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ /O.NEW.KOUN.FW.A.0021.180416T1700Z-180417T0200Z/ Harper-Ellis-Woodward-Roger Mills-Dewey-Custer-Washita-Kiowa- Tillman-Wichita-Archer- 433 PM CDT Sun Apr 15 2018 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR PORTIONS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR PORTIONS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... The National Weather Service in Norman has issued a Red Flag Warning, which is in effect from 11 AM to 9 PM CDT Tuesday. A Fire Weather Watch has also been issued. This Fire Weather Watch for is in effect from Monday afternoon through Monday evening. * TIMING...Noon through 8 PM Monday and 11 AM through 8 PM Tuesday. * WINDS...South 15 to 25 mph with gusts up to 35 mph Monday. Southwest 20 to 30 mph with gusts to 40 mph Tuesday. * RELATIVE HUMIDITY...As low as 15 to 20 percent Monday and 5 to 15 percent Tuesday. * TEMPERATURES...Highs in the mid 70s to lower 80s Monday and in the lower to mid 90s Tuesday. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ OKZ005-006-011-017-023-038-044-160545- /O.UPG.KOUN.FW.A.0020.180417T1600Z-180418T0200Z/ /O.NEW.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ Woods-Alfalfa-Major-Blaine-Caddo-Comanche-Cotton- 433 PM CDT Sun Apr 15 2018 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR FOR MUCH OF WESTERN OKLAHOMA... The National Weather Service in Norman has issued a Red Flag Warning, which is in effect from 11 AM to 9 PM CDT Tuesday. The Fire Weather Watch is no longer in effect. * TIMING...11 AM through 8 PM Tuesday. * WINDS...South 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 to 20 percent. * TEMPERATURES...In the lower to mid 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$ ..speg.
8 follow-up statements
480 WWUS84 KOUN 160234 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 934 PM CDT Sun Apr 15 2018 ...Critical to extreme fire weather conditions return to parts of the area Monday and Tuesday... OKZ021-033-034-036-TXZ083>085-087-088-161100- /O.CON.KOUN.FW.W.0020.180416T1700Z-180417T0200Z/ /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ Beckham-Harmon-Greer-Jackson-Hardeman-Foard-Wilbarger-Knox-Baylor- 934 PM CDT Sun Apr 15 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM CDT MONDAY FOR portions of southwestern oklahoma and western north texas... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR western oklahoma and western north texas... * TIMING...Noon through 9 PM Monday and 11 AM through 9 PM Tuesday. * WINDS...Southeast to south 15 to 25 mph with gusts up to 35 mph on Monday. South to southwest winds 20 to 35 mph with gusts 40 to 50 mph Tuesday. * RELATIVE HUMIDITY...10 to 20 percent on Monday. 4 to 10 percent Tuesday. * TEMPERATURES...In the 80s Monday. 90s on Tuesday. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ OKZ004-009-010-014>016-022-035-037-TXZ086-089-161100- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ /O.CON.KOUN.FW.A.0021.180416T1700Z-180417T0200Z/ Harper-Ellis-Woodward-Roger Mills-Dewey-Custer-Washita-Kiowa- Tillman-Wichita-Archer- 934 PM CDT Sun Apr 15 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR portions of western oklahoma and western north texas... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR portions of western oklahoma and western north texas... * TIMING...Noon through 9 PM Monday and 11 AM through 9 PM Tuesday. * WINDS...Southeast to south wind 15 to 25 mph with gust up to 35 mph on Monday. South to southwest 20 to 30 mph with gusts up to 45 mph Tuesday. * RELATIVE HUMIDITY...15 to 20 percent Monday. 5 to 10 percent on Tuesday. * TEMPERATURES...In the 70s Monday. 90s on Tuesday. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ OKZ005-006-011-017-023-038-044-161100- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0200Z/ Woods-Alfalfa-Major-Blaine-Caddo-Comanche-Cotton- 934 PM CDT Sun Apr 15 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR parts of western oklahoma... * TIMING...11 AM through 9 PM Tuesday. * WINDS...South to southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...10 to 20 percent. * TEMPERATURES...In the upper 80s to lower 90s. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
935 WWUS84 KOUN 160821 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 321 AM CDT Mon Apr 16 2018 ...Critical to extreme fire weather conditions return to parts of the area today and Tuesday... OKZ004-009-010-014>016-022-035-037-TXZ086-089-162100- /O.CAN.KOUN.FW.A.0021.180416T1700Z-180417T0200Z/ /O.EXT.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Ellis-Woodward-Roger Mills-Dewey-Custer-Washita-Kiowa- Tillman-Wichita-Archer- 321 AM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR PORTIONS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * TIMING...11 AM through 9 PM Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 5 percent. * TEMPERATURES...In the 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$ OKZ021-033-034-036-TXZ083>085-087-088-162100- /O.EXT.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ /O.CON.KOUN.FW.W.0020.180416T1700Z-180417T0200Z/ Beckham-Harmon-Greer-Jackson-Hardeman-Foard-Wilbarger-Knox-Baylor- 321 AM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * TIMING...Noon through 9 PM today and 11 AM through 9 PM Tuesday. * WINDS...Southeast winds shifting to the south and increasing to 15 to 25 mph with gusts to 30 mph today. Southwest winds 20 to 30 mph with gusts up to 40 mph Tuesday. * RELATIVE HUMIDITY...10 to 20 percent today. 3 to 10 percent Tuesday. * TEMPERATURES...In the 80s today. 90s on Tuesday. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ OKZ005-006-011-017-023-038-044-162100- /O.EXT.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Woods-Alfalfa-Major-Blaine-Caddo-Comanche-Cotton- 321 AM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR PARTS OF WESTERN OKLAHOMA... * TIMING...11 AM through 9 PM Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...5 to 10 percent. * TEMPERATURES... In the upper 80s and lower to middle 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$
820 WWUS84 KOUN 160826 AAA RFWOUN URGENT - FIRE WEATHER MESSAGE...UPDATED National Weather Service Norman OK 326 AM CDT Mon Apr 16 2018 ...Critical to extreme fire weather conditions return to parts of the area today and Tuesday... OKZ021-033-034-036-TXZ083>085-087-088-161630- /O.CON.KOUN.FW.W.0020.180416T1700Z-180417T0200Z/ /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Beckham-Harmon-Greer-Jackson-Hardeman-Foard-Wilbarger-Knox-Baylor- 326 AM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR PORTIONS OF SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * TIMING...Noon through 9 PM today and 11 AM through Midnight Tuesday. * WINDS...Southeast winds shifting to the south and increasing to 15 to 25 mph with gusts to 30 mph today. Southwest winds 20 to 30 mph with gusts up to 40 mph Tuesday. * RELATIVE HUMIDITY...10 to 20 percent today. 3 to 10 percent Tuesday. * TEMPERATURES...In the 80s today. 90s on Tuesday. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ OKZ004>006-009>011-014>017-022-023-035-037-038-044-TXZ086-089- 161630- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Washita-Caddo-Kiowa-Tillman-Comanche-Cotton-Wichita- Archer- 326 AM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR PORTIONS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * TIMING...11 AM through Midnight Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 5 percent. * TEMPERATURES...In the 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$
065 WWUS84 KOUN 162059 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 359 PM CDT Mon Apr 16 2018 ...Critical to extreme fire weather conditions return to parts of the area today and Tuesday... OKZ021-033-034-036-TXZ083>085-087-088-170500- /O.CON.KOUN.FW.W.0020.000000T0000Z-180417T0200Z/ /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Beckham-Harmon-Greer-Jackson-Hardeman-Foard-Wilbarger-Knox-Baylor- 359 PM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST OKLAHOMA AND WESTERN NORTH TEXAS... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR MOST OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... * TIMING...Noon through 9 PM today and 11 AM through Midnight Tuesday. * WINDS...South 20 to 30 mph today with gusts to 40 mph. South 25 to 35 mph Tuesday afternoon with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 15 to 20 percent today and 4 to 10 percent Tuesday afternoon. * TEMPERATURES...Highs in the lower 80s today and mid 90s Tuesday afternoon. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ OKZ004>006-009>011-014>017-022-023-035-037-038-044-TXZ086-089- 170500- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Washita-Caddo-Kiowa-Tillman-Comanche-Cotton-Wichita- Archer- 359 PM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT FOR MOST OF WESTERN OKLAHOMA AND WESTERN SECTIONS OF NORTH TEXAS... * TIMING...11 AM through Midnight Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 5 to 15 percent. * TEMPERATURES...Highs in the upper 80s to mid 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$ ..speg.
725 WWUS84 KOUN 170235 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 935 PM CDT Mon Apr 16 2018 ...Extreme to Historic Fire Weather Conditions expected Tuesday... OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>089-171045- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox- Baylor-Archer- 935 PM CDT Mon Apr 16 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT... * TIMING...11 AM through Midnight Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 4 percent. * TEMPERATURES...In the 90s. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
270 WWUS84 KOUN 170847 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 347 AM CDT Tue Apr 17 2018 ...Extreme to Historic Fire Weather Conditions expected Tuesday... OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>089-180500- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox- Baylor-Archer- 347 AM CDT Tue Apr 17 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO MIDNIGHT CDT TUESDAY NIGHT... * TIMING...11 AM through Midnight Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 5 percent. * TEMPERATURES...In the mid 80s to 90s. * IMPACTS...If fires start, they will spread rapidly and 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 can contribute to extreme fire behavior. && $$
533 WWUS84 KOUN 171404 AAA RFWOUN URGENT - FIRE WEATHER MESSAGE...UPDATED National Weather Service Norman OK 904 AM CDT Tue Apr 17 2018 ...Extreme to Historic Fire Weather Conditions expected Tuesday... OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>089-172215- /O.CON.KOUN.FW.W.0021.180417T1600Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox- Baylor-Archer- 904 AM CDT Tue Apr 17 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR STRONG WINDS, EXTREMELY LOW RELATIVE HUMIDITY, AND VERY DRY FUEL CONDITIONS FOR WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...AN OUTBREAK OF DANGEROUS WIND-DRIVEN WILDFIRES WILL BE POSSIBLE THIS AFTERNOON AND EVENING... * TIMING...11 AM through Midnight Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 6 percent. * TEMPERATURES...In the low to mid 90s. * IMPACTS...If fires start, they will spread rapidly and will be difficult to contain. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will contribute to extreme fire behavior. Fire weather conditions that support particularly dangerous and life threatening wildfires will develop. High winds and very low relative humidity combined with abundant dry vegetation will create conditions favorable for extreme fire growth and spread. A regional outbreak of dangerous wind-driven wildfires will be possible. && $$
409 WWUS84 KOUN 172011 AAA RFWOUN URGENT - FIRE WEATHER MESSAGE...UPDATED National Weather Service Norman OK 311 PM CDT Tue Apr 17 2018 ...Extreme to Historic Fire Weather Conditions Expected Tuesday... OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>089-180500- /O.CON.KOUN.FW.W.0021.000000T0000Z-180418T0500Z/ Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey- Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox- Baylor-Archer- 311 PM CDT Tue Apr 17 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR STRONG WINDS, EXTREMELY LOW RELATIVE HUMIDITY, AND VERY DRY FUEL CONDITIONS FOR WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... ...AN OUTBREAK OF DANGEROUS WIND-DRIVEN WILDFIRES WILL BE POSSIBLE THIS AFTERNOON AND EVENING... * TIMING...Through Midnight. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. A cold front will bring a shift in the winds to northwesterly this evening. * RELATIVE HUMIDITY...As low as 5 percent. * TEMPERATURES...In the low to mid 90s. * IMPACTS...If fires start, they will spread rapidly and 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. Fire weather conditions that support particularly dangerous and life threatening wildfires will develop. High winds and very low relative humidity combined with abundant dry vegetation will create conditions favorable for extreme fire growth and spread. A regional outbreak of dangerous wind-driven wildfires will be possible. && $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 3:15 AM CDT | Fire Weather Watch | OUN | Archer, Baylor, Foard, Hardeman, Knox, Wichita and 1 more | 13 hr |
| Apr 15, 4:33 PM CDT | Fire Weather Watch | OUN | Archer, Wichita | 11 hr |
| Apr 15, 4:33 PM CDT | Red Flag Warning | OUN | Baylor, Foard, Hardeman, Knox, Wilbarger | 28 hr |
| Apr 15, 3:10 AM CDT | Freeze Warning | OUN | Alfalfa, Atoka, Blaine, Caddo, Canadian, Cleveland and 26 more | 30 hr |
Nearby
Red Flag Warnings in Oklahoma, 2018Red Flag Warnings in Texas, 2018Every red flag warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.