Alert archive / Oklahoma / Red Flag Warnings in 2016

Red Flag Warning 5, NWS Tulsa, OK

February 16, 20164 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Feb 16, 2016, 1:22 PM CST for 4 counties in Oklahoma. It was in force for 3 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
Feb 16, 2016, 1:22 PM CST (19:22 UTC)
Expired
Feb 16, 2016, 4:00 PM CST
In force
3 hr
Issued by
NWS Tulsa, OK

Counties Choctaw County, OK, Latimer County, OK, Pittsburg County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 130 km from the middle of the area, began a volume at 19:25 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

Norman, OK (KOUN), launched 12:00Z, 7.4 hours before the alert went out and 190 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, Norman, OK at 12:00Z on 2016-02-16Temperature 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, Norman, OK at 12:00Z on 2016-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.1939587897Sfc1 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
2527 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

120 
WWUS84 KTSA 161922
RFWTSA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TULSA OK
122 PM CST TUE FEB 16 2016

...CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF SOUTHEAST
OKLAHOMA AND WEST CENTRAL ARKANSAS THIS AFTERNOON...

ARZ029-OKZ049-053-073-075-076-162200-
/O.NEW.KTSA.FW.W.0005.160216T1922Z-160216T2200Z/
SEBASTIAN-PUSHMATAHA-CHOCTAW-PITTSBURG-LATIMER-LE FLORE-
122 PM CST TUE FEB 16 2016

...RED FLAG WARNING IN EFFECT UNTIL 4 PM CST THIS AFTERNOON FOR
DRY AND WINDY CONDITIONS FOR PORTIONS OF SOUTHEAST OKLAHOMA AND WEST 
CENTRAL ARKANSAS...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. 

* AFFECTED AREA...IN ARKANSAS...SEBASTIAN COUNTY. IN OKLAHOMA... 
  PUSHMATAHA...CHOCTAW...PITTSBURG...LATIMER...AND LE FLORE 
  COUNTIES. 

* WIND...NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO 30 MPH

* HUMIDITY...AFTERNOON HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT.

* TEMPERATURE...LOWER TO MIDDLE 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
454 
WWUS84 KTSA 162223
RFWTSA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TULSA OK
423 PM CST TUE FEB 16 2016

...FIRE WEATHER CONDITIONS HAVE IMPROVED LATE THIS AFTERNOON...

.NORTHWEST WINDS HAVE SUBSIDED THIS AFTERNOON AS AN UPPER LEVEL
DISTURBANCE MOVES AWAY FROM THE REGION. AS A RESULT...THE RED FLAG
WARNING WAS ALLOWED TO EXPIRE AT 4 PM.

ARZ029-OKZ049-053-073-075-076-162330-
/O.EXP.KTSA.FW.W.0005.000000T0000Z-160216T2200Z/
SEBASTIAN-PUSHMATAHA-CHOCTAW-PITTSBURG-LATIMER-LE FLORE-
423 PM CST TUE FEB 16 2016

...RED FLAG WARNING HAS EXPIRED...

WINDS HAVE SUBSIDED THIS AFTERNOON...THUS ALLOWING FOR THE RED
FLAG WARNING TO EXPIRE ON TIME AT 4 PM.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 10:10 AM CSTWind AdvisoryTSABenton, Carroll, Madison, Washington5 hr

Nearby

Red Flag Warnings in Oklahoma, 2016Red Flag Warnings in Arkansas, 2016Every red flag warning in 2016

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.