Alert archive / Oklahoma / Red Flag Warnings in 2021
Red Flag Warning 8, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Dec 10, 2021, 2:35 AM CST for Pawnee County, Oklahoma. It took effect at Dec 10, 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 10, 2021, 2:35 AM CST (08:35 UTC)
- In effect from
- Dec 10, 2021, 12:00 PM CST
- Expired
- Dec 10, 2021, 6:00 PM CST
- In force
- 6 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 08:37 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
Springfield, MO (KSGF), launched 00:00Z, 8.6 hours before the alert went out and 267 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
- 2044 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
478 WWUS84 KTSA 100835 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 235 AM CST Fri Dec 10 2021 OKZ054-059-101645- /O.UPG.KTSA.FW.A.0002.211210T1800Z-211211T0000Z/ /O.NEW.KTSA.FW.W.0008.211210T1800Z-211211T0000Z/ Osage-Pawnee- 235 AM CST Fri Dec 10 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect from noon today to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oklahoma, Osage and Pawnee counties * WIND...Southwest 20 to 25 mph, gusting 30 to 40 mph during the midday and early afternoon hours. * HUMIDITY...25 to 30 percent. * TEMPERATURE...Mid to Upper 70s. * 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. && $$
2 follow-up statements
387 WWUS84 KTSA 101850 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 1250 PM CST Fri Dec 10 2021 OKZ054-059-110000- /O.CON.KTSA.FW.W.0008.000000T0000Z-211211T0000Z/ Osage-Pawnee- 1250 PM CST Fri Dec 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR PARTS OF NORTHEAST OKLAHOMA... * AFFECTED AREA...IN Oklahoma, Osage and Pawnee counties. * WIND...Southwest 20 to 25 mph, gusting 30 to 40 mph. * HUMIDITY...25 to 30 percent. * TEMPERATURE...Mid to Upper 70s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. && $$
096 WWUS84 KTSA 102352 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 552 PM CST Fri Dec 10 2021 OKZ054-059-110100- /O.EXP.KTSA.FW.W.0008.000000T0000Z-211211T0000Z/ Osage-Pawnee- 552 PM CST Fri Dec 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR OSAGE AND PAWNEE COUNTIES... While the Red Flag Warning will be allowed to expire, outdoor burning is still discouraged with strong gusty west-northwest winds expected tonight. $$
Nearby
Red Flag Warnings in Oklahoma, 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.