Alert archive / Oklahoma / Red Flag Warnings in 2018
Red Flag Warning 8, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Apr 17, 2018, 9:34 AM CDT for Pawnee County, Oklahoma. It took effect at Apr 17, 2018, 12:00 PM CDT. It was in force for 7 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 17, 2018, 9:34 AM CDT (14:34 UTC)
- In effect from
- Apr 17, 2018, 12:00 PM CDT
- Expired
- Apr 17, 2018, 7:12 PM CDT
- In force
- 7 hr
- Issued by
- NWS Tulsa, OK
County Pawnee County, OK
The radar
The Tulsa radar (KINX), 103 km from the middle of the area, began a volume at 14:32 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, 2.6 hours before the alert went out and 137 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
- 2030 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 405 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308 WWUS84 KTSA 171434 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 934 AM CDT Tue Apr 17 2018 OKZ054-059-172245- /O.NEW.KTSA.FW.W.0008.180417T1700Z-180418T0200Z/ Osage-Pawnee- 934 AM CDT Tue Apr 17 2018 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect until 9 PM CDT this evening. * AFFECTED AREA...In Oklahoma, Osage, and Pawnee counties. * WIND...South at 15 to 20 mph with gusts to 30 mph. * HUMIDITY...Near 25 percent. * TEMPERATURE...Mid 80s. * 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. && $$
2 follow-up statements
184 WWUS84 KTSA 172056 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 356 PM CDT Tue Apr 17 2018 OKZ054-059-181000- /O.NEW.KTSA.FW.A.0008.180418T1700Z-180419T0200Z/ /O.CON.KTSA.FW.W.0008.000000T0000Z-180418T0200Z/ Osage-Pawnee- 356 PM CDT Tue Apr 17 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...IN Oklahoma, Osage, and Pawnee counties. * WIND...South at 15 to 20 mph with gusts to 30 mph this evening. Northwest at 15 to 20 mph with gusts to 30 mph Wednesday. * HUMIDITY...Near 25 percent into early this evening, and again Wednesday afternoon. * TEMPERATURE...Mid 80s into early this evening, and near 70 Wednesday afternoon. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. A fire weather watch means that critical fire weather conditions are forecast to occur. && $$ OKZ055-056-060-061-064>066-181000- /O.NEW.KTSA.FW.A.0008.180418T1700Z-180419T0200Z/ Washington OK-Nowata-Tulsa-Rogers-Creek-Okfuskee-Okmulgee- 356 PM CDT Tue Apr 17 2018 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...IN Oklahoma, Washington, Nowata, Tulsa, Rogers, Creek, Okfuskee, and Okmulgee counties. * WIND...Northwest 15-20 mph with gusts to 30 mph. * HUMIDITY...Near 25 percent. * TEMPERATURE...Near 70. * 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. && $$
537 WWUS84 KTSA 180012 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 712 PM CDT Tue Apr 17 2018 OKZ054-059-181100- /O.CAN.KTSA.FW.W.0008.000000T0000Z-180418T0200Z/ /O.CON.KTSA.FW.A.0008.180418T1700Z-180419T0200Z/ Osage-Pawnee- 712 PM CDT Tue Apr 17 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... The National Weather Service in Tulsa has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...IN Oklahoma, Osage and Pawnee counties. * WIND...Northwest 15-20 mph with gusts to 30 mph. * HUMIDITY...Near 25 percent. * TEMPERATURE...Near 70. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A fire weather watch means that critical fire weather conditions are forecast to occur. && $$ OKZ055-056-060-061-064>066-181100- /O.CON.KTSA.FW.A.0008.180418T1700Z-180419T0200Z/ Washington OK-Nowata-Tulsa-Rogers-Creek-Okfuskee-Okmulgee- 712 PM CDT Tue Apr 17 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA... * AFFECTED AREA...IN Oklahoma, Washington, Nowata, Tulsa, Rogers, Creek, Okfuskee, and Okmulgee counties. * WIND...Northwest 15-20 mph with gusts to 30 mph. * HUMIDITY...Near 25 percent. * TEMPERATURE...Near 70. * 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 17, 3:56 PM CDT | Fire Weather Watch | TSA | Creek, Nowata, Okfuskee, Okmulgee, Pawnee, Rogers and 2 more | 21 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.