Alert archive / Oklahoma / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Dec 24, 2021, 1:56 PM CST for Pawnee County, Oklahoma. It was in force for 4 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 24, 2021, 1:56 PM CST (19:56 UTC)
- Expired
- Dec 24, 2021, 6:00 PM CST
- In force
- 4 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 19:58 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 12:00Z, 7.9 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
- 1485 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 539 m²/s²
- 0-3 km storm-relative helicity
- 580 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
486 WWUS84 KTSA 241956 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 156 PM CST Fri Dec 24 2021 OKZ054-059-250000- /O.NEW.KTSA.FW.W.0009.211224T1956Z-211225T0000Z/ Osage-Pawnee- 156 PM CST Fri Dec 24 2021 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST 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 6 PM CST this evening. * AFFECTED AREA...IN Oklahoma, Osage, and Pawnee counties. * WIND...Southwest 15 to 25 mph, gusting to 35 mph. * HUMIDITY...20 to 30 percent. * TEMPERATURE...Low 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. && $$ Lacy
1 follow-up statement
532 WWUS84 KTSA 242359 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 559 PM CST Fri Dec 24 2021 OKZ054-059-250100- /O.EXP.KTSA.FW.W.0009.000000T0000Z-211225T0000Z/ Osage-Pawnee- 559 PM CST Fri Dec 24 2021 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... Relative humidities are beginning to increase across Osage and Pawnee counties, leading to some improvement in the fire weather conditions. Southwest winds will remain gusty through the evening, although the gust speeds are expected to decrease into early Saturday morning. Continue to avoid behaviors that may inadvertently start a fire. $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 1:46 PM CST | Wind Advisory | TSA | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 12 more | 13 hr |
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.