Alert archive / Oklahoma / Red Flag Warnings in 2017
Red Flag Warning 14, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Dec 11, 2017, 3:16 AM CST for 4 counties in Arkansas; 13 counties in Oklahoma. It took effect at Dec 11, 2017, 10:00 AM CST. It was in force for 8 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 11, 2017, 3:16 AM CST (09:16 UTC)
- In effect from
- Dec 11, 2017, 10:00 AM CST
- Expired
- Dec 11, 2017, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 42 km from the middle of the area, began a volume at 09:17 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, 9.3 hours before the alert went out and 136 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
- 2290 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
897 WWUS84 KTSA 110916 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 316 AM CST Mon Dec 11 2017 ...DANGEROUS FIRE WEATHER CONDITIONS ACROSS NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS THIS AFTERNOON... .WEST TO NORTHWEST WINDS AT SPEEDS OF 10 TO 20 MPH AND GUSTS IN THE 20 TO 30 MPH RANGE ARE EXPECTED. WINDS WILL SHIFT TO A MORE NORTHERLY DIRECTION DURING THE LATE AFTERNOON AND INTO THE EVENING AS A COLD FRONT PUSHES THROUGH THE AREA. THE FRONTAL PASSAGE WILL ALSO KEEP WINDS GUSTY INTO THIS EVENING. THESE CONDITIONS COMBINED WITH ONGOING DRY CONDITIONS WILL CREATE FIRE CONDITIONS FAVORABLE FOR RAPID DEVELOPMENT AND THE SPREAD OF WILDFIRES. OKZ054>056-059-120000- /O.UPG.KTSA.FW.A.0007.171211T1700Z-171212T0000Z/ /O.NEW.KTSA.FW.W.0014.171211T1600Z-171212T0000Z/ Osage-Washington OK-Nowata-Pawnee- 316 AM CST Mon Dec 11 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect from 10 AM this morning to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...IN Oklahoma, Osage, Washington, Nowata, and Pawnee counties. * WIND...West to northwest winds at 15 to 20 mph, gusting to 30 mph at times. * HUMIDITY...15 to 25 percent. * TEMPERATURE...Mid 60s. * 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. && $$ ARZ001-002-010-011-OKZ057-058-060>064-067>069-120000- /O.NEW.KTSA.FW.W.0014.171211T1600Z-171212T0000Z/ Benton-Carroll-Washington AR-Madison-Craig-Ottawa-Tulsa-Rogers- Mayes-Delaware-Creek-Wagoner-Cherokee-Adair- 316 AM CST Mon Dec 11 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect from 10 AM this morning to 6 PM CST this evening. * AFFECTED AREA...In Arkansas, Benton, Carroll, Washington, and Madison counties. In Oklahoma, Craig, Ottawa, Tulsa, Rogers, Mayes, Delaware, Creek, Wagoner, Cherokee, and Adair counties. * WIND...West to northwest winds at 10 to 20 mph, gusting to 20 to 30 mph at times * HUMIDITY...15 to 25 percent. * TEMPERATURE...Mid to upper 60s. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. && $$
1 follow-up statement
078 WWUS84 KTSA 120001 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 601 PM CST Mon Dec 11 2017 ARZ001-002-010-011-OKZ054>064-067>069-120115- /O.EXP.KTSA.FW.W.0014.000000T0000Z-171212T0000Z/ Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata- Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-Delaware-Creek-Wagoner- Cherokee-Adair- 601 PM CST Mon Dec 11 2017 ...RED FLAG WARNING EXPIRED AT 6 PM FOR NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS... Weather conditions will improve this evening as winds gradually diminish and relative humidities increase. $$
Nearby
Red Flag Warnings in Oklahoma, 2017Red Flag Warnings in Arkansas, 2017Every red flag warning in 2017
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.