Alert archive / Oklahoma / Red Flag Warnings in 2015

Red Flag Warning 3, NWS Tulsa, OK

February 6, 20157 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Feb 6, 2015, 3:31 AM CST for 7 counties in Oklahoma. It took effect at Feb 6, 2015, 12:00 PM CST. 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 6, 2015, 3:31 AM CST (09:31 UTC)
In effect from
Feb 6, 2015, 12:00 PM CST
Expired
Feb 6, 2015, 3:20 PM CST
In force
3 hr
Issued by
NWS Tulsa, OK

Counties Craig County, OK, Creek County, OK, Nowata County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 42 km from the middle of the area, began a volume at 09:36 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 00:00Z, 9.5 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 00:00Z on 2015-02-06Temperature 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 00:00Z on 2015-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1533 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

194 
WWUS84 KTSA 060931
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
331 AM CST FRI FEB 6 2015


OKZ054>057-059>061-064-070000-
/O.NEW.KTSA.FW.W.0003.150206T1800Z-150207T0000Z/
OSAGE-WASHINGTON OK-NOWATA-CRAIG-PAWNEE-TULSA-ROGERS-CREEK-
331 AM CST FRI FEB 6 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

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...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...PAWNEE...WASHINGTON...OSAGE...CRAIG...NOWATA... 
   CREEK...TULSA AND ROGERS. 

HAZARDOUS WEATHER...
 * SOUTHWESTERLY WINDS WILL DEVELOP ACROSS MUCH OF NORTHEAST
   OKLAHOMA BY THIS AFTERNOON...GUSTING AS HIGH AS 30 MPH AT
   TIMES. THE STRONG WINDS WILL COMBINE WITH WELL ABOVE NORMAL
   TEMPERATURES IN THE UPPER 60S AND LOWER 70S...AND AFTERNOON
   RELATIVE HUMIDITIES IN THE 20 TO 25 PERCENT RANGE TO CREATE
   CONDITIONS FAVORABLE FOR EXTREME FIRE BEHAVIOR. THE WORST
   CONDITIONS WILL BE FOUND ALONG AND NORTHWEST OF INTERSTATE 44.

IMPACTS...
 * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER 
   LIVES AND PROPERTY. 

DEFINITION...
 * 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
 * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT 
   COULD START FIRES. 

 * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR 
   TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER 
   EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: 
   WEATHER.GOV/TULSA. 

&&

$$
1 follow-up statement
826 
WWUS84 KTSA 062120
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
320 PM CST FRI FEB 6 2015

OKZ054>057-059>061-064-062230-
/O.CAN.KTSA.FW.W.0003.000000T0000Z-150207T0000Z/
OSAGE-WASHINGTON OK-NOWATA-CRAIG-PAWNEE-TULSA-ROGERS-CREEK-
320 PM CST FRI FEB 6 2015

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TULSA HAS CANCELLED THE RED 
FLAG WARNING...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...CREEK...WASHINGTON...OSAGE...CRAIG...NOWATA... 
   PAWNEE...TULSA AND ROGERS. 

 * TEMPERATURES REMAIN IN THE UPPER 50S TO LOW 60S ACROSS
   NORTHEAST OKLAHOMA AND THE POTENTIAL FOR DANGEROUS WILDFIRE
   BEHAVIOR HAS LESSENED. THE GUSTY WINDS AND DRY FUELS WILL
   MAINTAIN A RISK OF RAPID FIRE SPREAD THROUGH THE EARLY EVENING
   HOURS...AT WHICH TIME WINDS WILL GRADUALLY WEAKEN.

&&

$$

Nearby

Red Flag Warnings in Oklahoma, 2015Every red flag warning in 2015

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.