Alert archive / Oklahoma / Red Flag Warnings in 2018
Red Flag Warning 6, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Apr 11, 2018, 9:04 AM CDT for Pawnee County, Washington County, Oklahoma. It took effect at Apr 11, 2018, 11:00 AM CDT. It was in force for 11 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 11, 2018, 9:04 AM CDT (14:04 UTC)
- In effect from
- Apr 11, 2018, 11:00 AM CDT
- Expired
- Apr 11, 2018, 10:00 PM CDT
- In force
- 11 hr
- Issued by
- NWS Tulsa, OK
Counties Pawnee County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 14:11 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 12:00Z, 2.1 hours before the alert went out and 175 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
- 2107 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 292 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
931 WWUS84 KTSA 111404 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 904 AM CDT Wed Apr 11 2018 OKZ054-055-059-120300- /O.NEW.KTSA.FW.W.0006.180411T1600Z-180412T0300Z/ Osage-Washington OK-Pawnee- 904 AM CDT Wed Apr 11 2018 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA TO THE NORTHWEST OF INTERSTATE 44... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect until 10 PM CDT this evening. * AFFECTED AREA...In Oklahoma, Osage, Washington, and Pawnee counties. * WIND...South at 20 to 30 mph with gusts to 45 mph. * HUMIDITY...25 to 30 percent. * TEMPERATURE...Near 80 degrees. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. && $$
2 follow-up statements
118 WWUS84 KTSA 111926 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 226 PM CDT Wed Apr 11 2018 OKZ054-059-120300- /O.NEW.KTSA.FW.A.0007.180413T1800Z-180414T0300Z/ /O.CON.KTSA.FW.W.0006.000000T0000Z-180412T0300Z/ Osage-Pawnee- 226 PM CDT Wed Apr 11 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...IN Oklahoma, Osage, and Pawnee counties. * WIND...South at 20 to 30 mph with gusts to 40 mph this afternoon. Winds becoming southwest to west Friday at 20 to 30 mph. * HUMIDITY...25 to 30 percent this afternoon...20 to 30 percent Friday. * TEMPERATURE...Lower 80s this afternoon and Friday. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. A fire weather watch means that critical fire weather conditions are forecast to occur. && $$ OKZ055-120300- /O.CON.KTSA.FW.W.0006.000000T0000Z-180412T0300Z/ Washington OK- 226 PM CDT Wed Apr 11 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR WASHINGTON COUNTY... * AFFECTED AREA...IN Oklahoma, Washington county. * WIND...South at 20 to 30 mph with gusts to 40 mph. * HUMIDITY...25 to 30 percent. * TEMPERATURE...Near 80 degrees. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. && $$ OKZ064-065-120300- /O.NEW.KTSA.FW.A.0007.180413T1800Z-180414T0300Z/ Creek-Okfuskee- 226 PM CDT Wed Apr 11 2018 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR CREEK AND OKFUSKEE COUNTIES... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...IN Oklahoma, Creek, and Okfuskee counties. * WIND...Winds Becoming southwest to west at 20 to 30 mph. * HUMIDITY...20 to 30 percent. * TEMPERATURE...Near 80 degrees. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A fire weather watch means that critical fire weather conditions are forecast to occur. && $$
172 WWUS84 KTSA 120258 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 958 PM CDT Wed Apr 11 2018 OKZ054-059-121100- /O.EXP.KTSA.FW.W.0006.000000T0000Z-180412T0300Z/ /O.CON.KTSA.FW.A.0007.180413T1800Z-180414T0300Z/ Osage-Pawnee- 958 PM CDT Wed Apr 11 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...IN Oklahoma, Osage, and Pawnee counties. * WIND...Winds becoming southwest to west Friday at 20 to 30 mph. * HUMIDITY...20 to 30 percent Friday. * TEMPERATURE...Lower 80s Friday. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A fire weather watch means that critical fire weather conditions are forecast to occur. && $$ OKZ055-120400- /O.EXP.KTSA.FW.W.0006.000000T0000Z-180412T0300Z/ Washington OK- 958 PM CDT Wed Apr 11 2018 ...RED FLAG WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA... Relative humidity values will continue to recover overnight lowering fire weather conditions below Red Flag criteria. Wind gusts 10 to 25 mph during the night could allow for areas of limited to elevated fire weather conditions to continue. $$ OKZ064-065-121100- /O.CON.KTSA.FW.A.0007.180413T1800Z-180414T0300Z/ Creek-Okfuskee- 958 PM CDT Wed Apr 11 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR CREEK AND OKFUSKEE COUNTIES... * AFFECTED AREA...IN Oklahoma, Creek, and Okfuskee counties. * WIND...Winds Becoming southwest to west at 20 to 30 mph. * HUMIDITY...20 to 30 percent. * TEMPERATURE...Near 80 degrees. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A fire weather watch means that critical fire weather conditions are forecast to occur. && $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 4:02 AM CDT | Wind Advisory | TSA | Craig, Creek, Mayes, Nowata, Okfuskee, Okmulgee and 5 more | 15 hr |
| Apr 11, 2:26 PM CDT | Fire Weather Watch | TSA | Creek, Okfuskee, Pawnee | 25 hr |
Nearby
Red Flag Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.