Alert archive / Oklahoma / Red Flag Warnings in 2018

Red Flag Warning 5, NWS Tulsa, OK

March 22, 20185 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Mar 22, 2018, 1:24 PM CDT for 5 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 22, 2018, 1:24 PM CDT (18:24 UTC)
Expired
Mar 22, 2018, 7:00 PM CDT
In force
6 hr
Issued by
NWS Tulsa, OK

Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK, Pawnee County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 18:21 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, 6.4 hours before the alert went out and 127 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 2018-03-22Temperature 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 2018-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 417 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
2311 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
417 m²/s²
0-3 km storm-relative helicity
713 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

454 
WWUS84 KTSA 221824
RFWTSA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tulsa OK
124 PM CDT Thu Mar 22 2018

OKZ054-059-060-064>066-230000-
/O.NEW.KTSA.FW.W.0005.180322T1824Z-180323T0000Z/
Osage-Pawnee-Tulsa-Creek-Okfuskee-Okmulgee-
124 PM CDT Thu Mar 22 2018

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
VERY DRY AND WINDY CONDITIONS FOR PORTIONS OF NORTHEAST OKLAHOMA..

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

* AFFECTED AREA...IN Oklahoma, Osage, Pawnee, Tulsa, Creek, 
  Okfuskee, and Okmulgee counties. 

* WIND...Gusty south winds at 25 to 35 mph.

* HUMIDITY...20 to 30 percent.

* TEMPERATURE...High temperatures in the mid to upper 70s.

* 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.

&&

$$

Nearby

Red Flag Warnings in Oklahoma, 2018Every red flag warning in 2018

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.