Alert archive / Oklahoma / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Mar 7, 2021, 2:27 AM CST for 8 counties in Oklahoma. It took effect at Mar 7, 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
- Mar 7, 2021, 2:27 AM CST (08:27 UTC)
- In effect from
- Mar 7, 2021, 12:00 PM CST
- Expired
- Mar 7, 2021, 5:56 PM CST
- In force
- 6 hr
- Issued by
- NWS Tulsa, OK
Counties Craig County, OK, Creek County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 38 km from the middle of the area, began a volume at 08:26 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, 8.5 hours before the alert went out and 182 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
- 1852 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
466 WWUS84 KTSA 070827 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 227 AM CST Sun Mar 7 2021 OKZ054>061-064-071630- /O.NEW.KTSA.FW.W.0001.210307T1800Z-210308T0000Z/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Creek- 227 AM CST Sun Mar 7 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA ALONG AND NORTH OF INTERSTATE 44... 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. * AFFECTED AREA...IN Oklahoma, Osage, Washington, Nowata, Craig, Ottawa, Pawnee, Tulsa, Rogers, and Creek counties. * WIND...Southerly winds 15 to 25 mph with gusts around 30 mph. * HUMIDITY...Afternoon humidity values 20 to 25 percent. * TEMPERATURE...High temperatures in 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. && $$
2 follow-up statements
648 WWUS84 KTSA 071607 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 1007 AM CST Sun Mar 7 2021 OKZ054>061-064-080000- /O.CON.KTSA.FW.W.0001.210307T1800Z-210308T0000Z/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Creek- 1007 AM CST Sun Mar 7 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA ALONG AND NORTH OF INTERSTATE 44... * AFFECTED AREA...IN Oklahoma, Osage, Washington, Nowata, Craig, Ottawa, Pawnee, Tulsa, Rogers, and Creek counties. * WIND...Southerly winds 15 to 25 mph with gusts around 30 mph. * HUMIDITY...Afternoon humidity values 20 to 25 percent. * TEMPERATURE...High temperatures in mid to upper 60s. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures. && $$
026 WWUS84 KTSA 072356 RFWTSA URGENT - FIRE WEATHER MESSAGE National Weather Service Tulsa OK 556 PM CST Sun Mar 7 2021 OKZ054>061-064-080100- /O.CAN.KTSA.FW.W.0001.000000T0000Z-210308T0000Z/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Creek- 556 PM CST Sun Mar 7 2021 ...RED FLAG WARNING IS CANCELLED FOR VERY DRY AND WINDY CONDITIONS FOR NORTHEAST OKLAHOMA ALONG AND NORTH OF INTERSTATE 44... The National Weather Service in Tulsa has cancelled the Red Flag Warning. Fire weather conditions will continue to improve this evening as temperatures fall and relative humidity values rise. $$
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.