Alert archive / Oklahoma / Red Flag Warnings in 2014

Red Flag Warning 21, NWS Norman, OK

April 12, 201411 counties in Oklahoma; Foard County, Hardeman County, Knox County, Texas

NWS Norman, OK issued this red flag warning at Apr 12, 2014, 4:22 AM CDT for 11 counties in Oklahoma; Foard County, Hardeman County, Knox County, Texas. It took effect at Apr 12, 2014, 12:00 PM CDT. It was in force for 8 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
Apr 12, 2014, 4:22 AM CDT (09:22 UTC)
In effect from
Apr 12, 2014, 12:00 PM CDT
Expired
Apr 12, 2014, 8:00 PM CDT
In force
8 hr
Issued by
NWS Norman, OK

Counties Beckham County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Major County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Foard County, TX, Hardeman County, TX, Knox County, TX

The radar

The Altus AFB radar (KFDR), 124 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, 9.4 hours before the alert went out and 189 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 2014-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 991 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
991 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1281 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

857 
WWUS84 KOUN 120922
RFWOUN

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
422 AM CDT SAT APR 12 2014


OKZ004-005-009>011-014-015-021-033-034-121730-
/O.UPG.KOUN.FW.A.0019.140412T1700Z-140413T0100Z/
/O.NEW.KOUN.FW.W.0021.140412T1700Z-140413T0100Z/
HARPER-WOODS-ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-BECKHAM-
HARMON-GREER-
422 AM CDT SAT APR 12 2014

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PARTS OF WESTERN
OKLAHOMA AND WESTERN NORTH TEXAS...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OVER 30 MPH.

* HUMIDITY...15 TO 20 PERCENT.

* TEMPERATURE...HIGHS 89 TO 94 DEGREES.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

&&

$$

OKZ036-TXZ083-084-087-121730-
/O.NEW.KOUN.FW.W.0021.140412T1700Z-140413T0100Z/
JACKSON-HARDEMAN-FOARD-KNOX-
422 AM CDT SAT APR 12 2014

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PARTS OF WESTERN
OKLAHOMA AND WESTERN NORTH TEXAS...

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS NEAR 30 MPH.

* HUMIDITY...15 TO 20 PERCENT

* TEMPERATURE...HIGHS 89 TO 94.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

&&

$$
2 follow-up statements
995 
WWUS84 KOUN 121519
RFWOUN

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
1019 AM CDT SAT APR 12 2014

OKZ021-033-034-036-TXZ083-084-087-130100-
/O.NEW.KOUN.FW.A.0020.140413T1600Z-140414T0100Z/
/O.CON.KOUN.FW.W.0021.140412T1700Z-140413T0100Z/
BECKHAM-HARMON-GREER-JACKSON-HARDEMAN-FOARD-KNOX-
1019 AM CDT SAT APR 12 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR SOUTHWEST OKLAHOMA AND
ADJACENT AREAS OF TEXAS...
...FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS OVER 30 MPH.

* HUMIDITY...10 TO 15 PERCENT

* TEMPERATURE...HIGHS 89 TO 94 DEGREES F.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

MONITOR WEATHER FORECASTS AND INFORMATION.

&&

$$

OKZ004-005-009>011-014-015-130100-
/O.CON.KOUN.FW.W.0021.140412T1700Z-140413T0100Z/
HARPER-WOODS-ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-
1019 AM CDT SAT APR 12 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHWEST OKLAHOMA...

* WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS AROUND 30 MPH.

* HUMIDITY...8 TO 13 PERCENT.

* TEMPERATURE...HIGHS 89 TO 94 DEGREES F.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

&&

$$

OKZ022-023-035-037-038-044-TXZ085-086-088-089-130100-
/O.NEW.KOUN.FW.A.0020.140413T1600Z-140414T0100Z/
WASHITA-CADDO-KIOWA-TILLMAN-COMANCHE-COTTON-WILBARGER-WICHITA-
BAYLOR-ARCHER-
1019 AM CDT SAT APR 12 2014

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR SOUTHWEST
OKLAHOMA AND ADJACENT PARTS OF TEXAS...

* WIND...SOUTHWEST 20 TO 25 MPH...GUSTS OVER 30 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* TEMPERATURE...85 TO 93 DEGREES F.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR WEATHER FORECASTS AND INFORMATION.

&&

$$
980 
WWUS84 KOUN 130113
RFWOUN

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
813 PM CDT SAT APR 12 2014

...FIRE WEATHER WATCH TOMORROW...

.ALTHOUGH THE FIRE WEATHER CONDITIONS WILL IMPROVE
OVERNIGHT...LOW HUMIDITY AND MODERATE WINDS WILL RAISE FIRE
WEATHER CONCERNS AGAIN TOMORROW.

OKZ021-033-034-036-TXZ083-084-087-130915-
/O.EXP.KOUN.FW.W.0021.000000T0000Z-140413T0100Z/
/O.CON.KOUN.FW.A.0020.140413T1600Z-140414T0100Z/
BECKHAM-HARMON-GREER-JACKSON-HARDEMAN-FOARD-KNOX-
813 PM CDT SAT APR 12 2014

...RED FLAG WARNING HAS EXPIRED...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
WESTERN NORTH TEXAS AND SOUTHWEST OKLAHOMA... 

THE RED FLAG WARNING IS NO LONGER IN EFFECT...BUT MODERATE WINDS
AND LOW HUMIDITIES WILL RAISE FIRE WEATHER CONCERNS AGAIN TOMORROW.

* HUMIDITY...10 TO 15 PERCENT

* TEMPERATURE...HIGHS 89 TO 94 DEGREES F.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR WEATHER FORECASTS AND INFORMATION.

&&

$$

OKZ004-005-009>011-014-015-130215-
/O.EXP.KOUN.FW.W.0021.000000T0000Z-140413T0100Z/
HARPER-WOODS-ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-
813 PM CDT SAT APR 12 2014

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR NORTHWEST OKLAHOMA...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$

OKZ022-023-035-037-038-044-TXZ085-086-088-089-130915-
/O.CON.KOUN.FW.A.0020.140413T1600Z-140414T0100Z/
WASHITA-CADDO-KIOWA-TILLMAN-COMANCHE-COTTON-WILBARGER-WICHITA-
BAYLOR-ARCHER-
813 PM CDT SAT APR 12 2014

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
SOUTHWEST OKLAHOMA AND WESTERN NORTH TEXAS...

* WIND...SOUTHWEST 20 TO 25 MPH...GUSTS OVER 30 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* TEMPERATURE...85 TO 93 DEGREES F.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR WEATHER FORECASTS AND INFORMATION.

&&

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 10:19 AM CDTFire Weather WatchOUNBeckham, Caddo, Comanche, Cotton, Greer, Harmon and 4 more18 hr
Apr 12, 1:31 PM CDTFreeze WatchOUNAlfalfa, Atoka, Beckham, Blaine, Bryan, Caddo and 42 more23 hr

Nearby

Red Flag Warnings in Oklahoma, 2014Red Flag Warnings in Texas, 2014Every red flag warning in 2014

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.