Alert archive / Oklahoma / Red Flag Warnings in 2015

Red Flag Warning 2, NWS Tulsa, OK

January 28, 20158 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Jan 28, 2015, 3:19 AM CST for 8 counties in Oklahoma. It took effect at Jan 28, 2015, 12:00 PM CST. 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
Jan 28, 2015, 3:19 AM CST (09:19 UTC)
In effect from
Jan 28, 2015, 12:00 PM CST
Expired
Jan 28, 2015, 6:00 PM CST
In force
6 hr
Issued by
NWS Tulsa, OK

Counties Creek County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 44 km from the middle of the area, began a volume at 09:21 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 00:00Z, 9.3 hours before the alert went out and 161 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 2015-01-28Temperature 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 2015-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 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
2908 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
93 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.

537 
WWUS84 KTSA 280919
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
319 AM CST WED JAN 28 2015

OKZ054>056-059>061-064>066-281800-
/O.NEW.KTSA.FW.W.0002.150128T1800Z-150129T0000Z/
OSAGE-WASHINGTON OK-NOWATA-PAWNEE-TULSA-ROGERS-CREEK-OKFUSKEE-
OKMULGEE-
319 AM CST WED JAN 28 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...NOWATA...CREEK... 
   OKFUSKEE...OKMULGEE...TULSA AND ROGERS. 

HAZARDOUS WEATHER...
 * UNSEASONABLY WARM TEMPERATURES WILL COMBINE WITH SOUTH-SOUTHWEST
   WINDS OF 15 TO 25 MPH TO PRODUCE FIRE WEATHER CONDITIONS THAT 
   WILL SUPPORT AGGRESSIVE WILDFIRE BEHAVIOR. 

 * RELATIVE HUMIDITIES AS LOW AS 20 TO 25 PERCENT THIS AFTERNOON.

 * STRONG WIND GUSTS AS HIGH AS 31.0 MPH THIS AFTERNOON. 

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. 

&&

$$
2 follow-up statements
174 
WWUS84 KTSA 281627
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
1027 AM CST WED JAN 28 2015

OKZ054>056-059>061-064>066-290000-
/O.CON.KTSA.FW.W.0002.150128T1800Z-150129T0000Z/
OSAGE-WASHINGTON OK-NOWATA-PAWNEE-TULSA-ROGERS-CREEK-OKFUSKEE-
OKMULGEE-
1027 AM CST WED JAN 28 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A RED FLAG WARNING IS IN EFFECT...

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

HAZARDOUS WEATHER...
 * A VERY WARM...DRY AND WINDY DAY IS FORECAST THIS AFTERNOON
   ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. THIS WILL
   RESULT IN THE DEVELOPMENT OF CRITICAL FIRE WEATHER CONDITIONS
   ACROSS PORTIONS OF NORTHEAST OKLAHOMA WHERE THE WINDS WILL BE
   THE STRONGEST AND THE AIR WILL BE THE DRIEST. THE AREA WITH
   GREATEST THREAT WILL BE ALONG AND WEST OF A NOWATA TO CLAREMORE
   TO OKEMAH LINE...AND THE TIME WINDOW OF GREATEST THREAT WILL BE
   BETWEEN 2 AND 5 PM THIS AFTERNOON.

 * RELATIVE HUMIDITIES BETWEEN 20 AND 25 PERCENT

 * STRONG WIND GUSTS AS HIGH AS 30 MPH

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

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

 * ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT:
   WEATHER.GOV/TULSA.

&&

$$

LACY
730 
WWUS84 KTSA 290001
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
601 PM CST WED JAN 28 2015

...CRITICAL FIRE CONDITIONS HAVE ENDED...

.WINDS HAVE DIMINISHED AND RELATIVE HUMIDITY LEVELS HAVE RISEN.

OKZ054>056-059>061-064>066-290115-
/O.EXP.KTSA.FW.W.0002.000000T0000Z-150129T0000Z/
OSAGE-WASHINGTON OK-NOWATA-PAWNEE-TULSA-ROGERS-CREEK-OKFUSKEE-
OKMULGEE-
601 PM CST WED JAN 28 2015

...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING...

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

 * THE RED FLAG WARNING THAT WAS IN EFFECT HAS EXPIRED

HAZARDOUS WEATHER...
 * THE FIRE THREAT HAS DIMINISHED THIS EVENING AS RELATIVE HUMIDITY
   LEVELS HAVE RISEN AND WINDS HAVE DROPPED OFF.

&&

$$

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.