Alert archive / Texas / Red Flag Warnings in 2012

Red Flag Warning 19, NWS Amarillo, TX

October 24, 20125 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Oct 24, 2012, 4:35 AM CDT for 5 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Oct 24, 2012, 1:00 PM CDT. It was in force for 5 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
Oct 24, 2012, 4:35 AM CDT (09:35 UTC)
In effect from
Oct 24, 2012, 1:00 PM CDT
Expired
Oct 24, 2012, 6:00 PM CDT
In force
5 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 113 km from the middle of the area, began a volume at 09:39 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.6 hours before the alert went out and 114 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, Amarillo Airport, TX at 00:00Z on 2012-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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, Amarillo Airport, TX at 00:00Z on 2012-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
134 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
3098 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

361 
WWUS84 KAMA 240935
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
435 AM CDT WED OCT 24 2012

OKZ001-002-TXZ001-002-006-007-011-242300-
/O.NEW.KAMA.FW.W.0019.121024T1800Z-121024T2300Z/
CIMARRON-TEXAS-DALLAM-SHERMAN-HARTLEY-MOORE-OLDHAM-
435 AM CDT WED OCT 24 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
THE WESTERN AND CENTRAL OKLAHOMA PANHANDLE AND THE NORTHWESTERN 
TEXAS PANHANDLE...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. 

* AFFECTED AREA: IN OKLAHOMA...CIMARRON...TEXAS. IN TEXAS...
  DALLAM...SHERMAN...HARTLEY...MOORE...OLDHAM. 

* WIND: SOUTHWEST WINDS SUSTAINED AT SPEEDS OF 20 WITH GUSTS NEAR 35
  MPH AT THE 20 FOOT LEVEL.

* HUMIDITY:  10 TO 15 PERCENT.  

* TIMING: THIS AFTERNOON AND EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND
RECORD WARM TEMPERATURES WILL CREATE FAVORABLE WEATHER FOR RAPID
FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT PROMOTE OPEN FLAMES AND
SPARKS..

&&

$$


FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/AMA
1 follow-up statement
852 
WWUS84 KAMA 242313
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
613 PM CDT WED OCT 24 2012

OKZ001-002-TXZ001-002-006-007-011-250015-
/O.EXP.KAMA.FW.W.0019.000000T0000Z-121024T2300Z/
CIMARRON-TEXAS-DALLAM-SHERMAN-HARTLEY-MOORE-OLDHAM-
613 PM CDT WED OCT 24 2012

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR THE WESTERN AND CENTRAL OKLAHOMA PANHANDLE AND THE
NORTHWESTERN TEXAS PANHANDLE...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

* AFFECTED AREA: IN OKLAHOMA...CIMARRON...TEXAS. IN TEXAS...
  DALLAM...SHERMAN...HARTLEY...MOORE...OLDHAM. 

* WIND: SOUTH SOUTHWEST WINDS BETWEEN 15 AND 25 MPH WILL CONTINUE
  THROUGH 8 PM BEFORE DIMINISHING BELOW 20 MPH. A COLD FRONT WILL
  ABRUPTLY SHIFT WINDS TO THE NORTH BETWEEN 10 PM AND 1 AM.

* HUMIDITY: RELATIVE HUMIDITY VALUES WILL RISE ABOVE 15 PERCENT
  BY 7 PM.

* TIMING: ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE
  IN ISOLATED LOCATIONS THROUGH 7 PM THIS EVENING.

$$

JACKSON

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/AMA

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 24, 3:20 PM CDTFreeze WatchAMAArmstrong, Carson, Deaf Smith, Gray, Hansford, Hemphill and 8 more13 hr
Oct 24, 3:20 PM CDTFreeze WatchAMAArmstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 11 more13 hr

Nearby

Red Flag Warnings in Texas, 2012Red 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.