Alert archive / Oklahoma / Red Flag Warnings in 2017

Red Flag Warning 7, NWS Tulsa, OK

March 1, 20174 counties in Arkansas; 19 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Mar 1, 2017, 1:27 PM CST for 4 counties in Arkansas; 19 counties in Oklahoma. 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 1, 2017, 1:27 PM CST (19:27 UTC)
Expired
Mar 1, 2017, 7:00 PM CST
In force
6 hr
Issued by
NWS Tulsa, OK
All 23 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Creek County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 50 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 187 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -356 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-356 m²/s²
0-3 km storm-relative helicity
-274 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

785 
WWUS84 KTSA 011927
RFWTSA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tulsa OK
127 PM CST Wed Mar 1 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>056-059>062-064>076-
020100-
/O.NEW.KTSA.FW.W.0007.170301T1927Z-170302T0100Z/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Pawnee-Tulsa-Rogers-
Mayes-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-Muskogee-
McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore-
127 PM CST Wed Mar 1 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
VERY DRY AND WINDY CONDITIONS...

The National Weather Service in Tulsa has issued a Red Flag
Warning, which is in effect until 7 PM CST this evening. 

* AFFECTED AREA...In Arkansas, Benton, Carroll, Washington, 
  Madison, Crawford, Franklin, and Sebastian counties. In 
  Oklahoma, Pushmataha, Choctaw, Osage, Washington, Nowata, 
  Craig, Ottawa, Pawnee, Tulsa, Rogers, Mayes, Delaware, Creek, 
  Okfuskee, Okmulgee, Wagoner, Cherokee, Adair, Muskogee, 
  McIntosh, Sequoyah, Pittsburg, Haskell, Latimer, and Le Flore 
  counties. 

* WIND...Northwest of winds of 15 to 25 mile an hour with gusts of
  30 to 35 miles an hour.
 
* HUMIDITY...15 to 25 percent.

* TEMPERATURE...Highs in the upper 50s across extreme northwest
  Arkansas and low to mid 60s elsewhere.

* 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
499 
WWUS84 KTSA 020105
RFWTSA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tulsa OK
705 PM CST Wed Mar 1 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>056-059>062-064>076-
020215-
/O.EXP.KTSA.FW.W.0007.000000T0000Z-170302T0100Z/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Pawnee-Tulsa-Rogers-
Mayes-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-Muskogee-
McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore-
705 PM CST Wed Mar 1 2017

...RED FLAG WARNING HAS EXPIRED FOR VERY DRY AND WINDY CONDITIONS
FOR MUCH OF EASTERN OKLAHOMA AND WESTERN ARKANSAS...

Fire weather conditions will continue to improve as the evening wears
on as temperatures fall and relative humidity values rise. The winds will
also decrease over time. 


$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 12:47 AM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian43 min
Mar 1, 1:09 AM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Madison, Sebastian36 min
Mar 1, 1:19 AM CSTSpecial Weather StatementTSABenton26 min
Mar 1, 1:27 AM CSTSpecial Weather StatementTSASebastian33 min
Mar 1, 1:43 AM CSTSpecial Weather StatementTSABenton32 min
Mar 1, 2:07 AM CSTSpecial Weather StatementTSAWashington38 min
Feb 28, 10:29 PM CSTSevere Thunderstorm WarningTSAOsage31 min
Feb 28, 10:42 PM CSTSpecial Weather StatementTSAWashington33 min
Feb 28, 10:59 PM CSTSpecial Weather StatementTSAWashington31 min
Feb 28, 11:06 PM CSTSpecial Weather StatementTSACraig, Nowata, Washington24 min
Feb 28, 11:10 PM CSTSevere Thunderstorm WarningTSANowata, Washington50 min
Feb 28, 11:35 PM CSTSpecial Weather StatementTSACraig, Nowata, Ottawa55 min
Feb 28, 11:39 PM CSTSpecial Weather StatementTSAHaskell, Pittsburg36 min
Feb 28, 11:50 PM CSTSevere Thunderstorm WarningTSAPittsburg40 min
Mar 1, 12:19 AM CSTSevere Thunderstorm WarningTSALatimer, Pittsburg56 min
Mar 1, 12:26 AM CSTSpecial Weather StatementTSAHaskell, Sequoyah34 min
Mar 1, 12:40 AM CSTSpecial Weather StatementTSAPushmataha50 min
Mar 1, 12:49 AM CSTSevere Thunderstorm WarningTSALatimer, LeFlore, Pittsburg, Pushmataha41 min
Mar 1, 12:52 AM CSTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore38 min
Mar 1, 1:09 AM CSTSpecial Weather StatementTSAChoctaw51 min

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.