Alert archive / Oklahoma / Red Flag Warnings in 2012

Red Flag Warning 1, NWS Tulsa, OK

January 15, 2012Pawnee County, Oklahoma

NWS Tulsa, OK issued this red flag warning at Jan 15, 2012, 1:36 PM CST for Pawnee County, 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
Jan 15, 2012, 1:36 PM CST (19:36 UTC)
Expired
Jan 15, 2012, 5:00 PM CST
In force
3 hr
Issued by
NWS Tulsa, OK

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 103 km from the middle of the area, began a volume at 19:34 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

Lamont, OK (KLMN), launched 12:00Z, 7.6 hours before the alert went out and 78 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, Lamont, OK at 12:00Z on 2012-01-15Temperature 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, Lamont, OK at 12:00Z on 2012-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 320 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
2718 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
320 m²/s²
0-3 km storm-relative helicity
311 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.

431 
WWUS84 KTSA 151936
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
136 PM CST SUN JAN 15 2012

OKZ054-059-152300-
/O.NEW.KTSA.FW.W.0001.120115T1936Z-120115T2300Z/
OSAGE-PAWNEE-
136 PM CST SUN JAN 15 2012

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG 
WARNING...WHICH IS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...PAWNEE AND OSAGE. 

HAZARDOUS WEATHER...
 * SHORT TERM RED FLAG CONDITIONS WILL BE MET THIS AFTERNOON
   ACROSS OSAGE AND PAWNEE COUNTIES. CONDITIONS WILL IMPROVE
   BEFORE SUNSET AS HUMIDITIES INCREASE.

 * LOW RELATIVE HUMIDITIES OF 15 TO 20 PERCENT ARE ONGOING.

 * STRONG WINDS OF 20 TO 30 MPH...WITH GUSTS TO 35 MPH...WILL
   CONTINUE THROUGH THE LATE AFTERNOON HOURS.

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
006 
WWUS84 KTSA 152238
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
438 PM CST SUN JAN 15 2012

...CRITICAL FIRE WEATHER CONDITIONS HAVE ENDED LATE THIS AFTERNOON...

.TEMPERATURES ARE COOLING OFF AND RELATIVE HUMIDITIES ARE CLIMBING
LATE THIS AFTERNOON. CONDITIONS ARE NO LONGER CRITICAL AND ARE NOT
EXPECTED TO BE FOR THE REMAINDER OF THE DAY.

OKZ054-059-152345-
/O.EXP.KTSA.FW.W.0001.000000T0000Z-120115T2300Z/
OSAGE-PAWNEE-
438 PM CST SUN JAN 15 2012

...RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON...

THE RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...PAWNEE AND OSAGE. 

 * THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 5 PM.

HAZARDOUS WEATHER...
 * TEMPERATURES HAVE COOLED AND RELATIVE HUMIDITIES HAVE CLIMBED
   HIGH ENOUGH THAT CONDITIONS ARE NO LONGER CONSIDERED CRITICAL.
   HOWEVER...WINDS REMAIN STRONG AND THE FIRE DANGER WILL REMAIN
   ELEVATED FOR THE NEXT FEW HOURS. OUTDOOR BURNING IS STILL
   DISCOURAGED.

&&

$$

Nearby

Red Flag Warnings in Oklahoma, 2012Every red flag warning in 2012

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.