Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 13, NWS Amarillo, TX

October 8, 2021Beaver County, Cimarron County, Texas County, Oklahoma; 7 counties in Texas

NWS Amarillo, TX issued this red flag warning at Oct 8, 2021, 2:28 PM CDT for Beaver County, Cimarron County, Texas County, Oklahoma; 7 counties in Texas. It took effect at Oct 9, 2021, 1:00 PM CDT. 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
Oct 8, 2021, 2:28 PM CDT (19:28 UTC)
In effect from
Oct 9, 2021, 1:00 PM CDT
Expired
Oct 9, 2021, 7:01 PM CDT
In force
6 hr
Issued by
NWS Amarillo, TX

Counties Beaver County, OK, Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Moore County, TX, Ochiltree 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 19:26 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 12:00Z, 7.5 hours before the alert went out and 113 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 12:00Z on 2021-10-08Temperature 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, Amarillo Airport, TX at 12:00Z on 2021-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
3183 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

585 
WWUS84 KAMA 081928
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
228 PM CDT Fri Oct 8 2021

OKZ001-002-TXZ001-002-006-091100-
/O.UPG.KAMA.FW.A.0011.211009T1800Z-211010T0100Z/
/O.NEW.KAMA.FW.W.0013.211009T1800Z-211010T0100Z/
Cimarron-Texas-Dallam-Sherman-Hartley-
228 PM CDT Fri Oct 8 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL
OKLAHOMA PANHANDLE AND THE NORTHWEST TEXAS PANHANDLE...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 1 PM to 8 PM CDT Saturday. The Fire Weather Watch is
no longer in effect.

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman and Hartley.

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 mph.
  A wind shift to the north is expected behind a cold front Sunday
  morning.

* Relative Humidity...As low as 14 percent.

* Red Flag Threat Index...2 to 4

* Timing...Critical fire weather conditions are expected to begin
  around 12 PM to 1 PM and are expected to end around 6 PM to 8 
  PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and 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...
www.weather.gov/ama
3 follow-up statements
390 
WWUS84 KAMA 090902
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
402 AM CDT Sat Oct 9 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON UNTIL 8 PM
THIS EVENING FOR THE OKLAHOMA PANHANDLE AND FOR THE NORTHERN AND 
WESTERN TEXAS PANHANDLE...

OKZ003-TXZ003-004-007-011-092200-
/O.EXA.KAMA.FW.W.0013.211009T1800Z-211010T0100Z/
Beaver-Hansford-Ochiltree-Moore-Oldham-
402 AM CDT Sat Oct 9 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
THE OKLAHOMA PANHANDLE AND THE WESTERN AND NORTHERN TEXAS
PANHANDLE ...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 1 PM this afternoon to 8 PM CDT this evening.

* Affected Area...In Oklahoma...Beaver. In Texas...Hansford... 
  Ochiltree...Moore and Oldham.

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 mph.
  A wind shift to the north is expected behind a cold front late
  tonight and Sunday morning.

* Relative Humidity...As low as 14 percent.

* Red Flag Threat Index...2 to 5

* Timing...Critical fire weather conditions are expected to begin
  by 1 PM and are expected to end by 8 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

OKZ001-002-TXZ001-002-006-092200-
/O.CON.KAMA.FW.W.0013.211009T1800Z-211010T0100Z/
Cimarron-Texas-Dallam-Sherman-Hartley-
402 AM CDT Sat Oct 9 2021

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

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman and Hartley.

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 mph.
  A wind shift to the north is expected behind a cold front late
  tonight and Sunday morning.

* Relative Humidity...As low as 14 percent.

* Red Flag Threat Index...2 to 5

* Timing...Critical fire weather conditions are expected to begin
  by 1 PM and are expected to end by 8 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

Schneider

For more information from the National Weather Service visit...
www.weather.gov/ama
065 
WWUS84 KAMA 091941
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
241 PM CDT Sat Oct 9 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON UNTIL 8 PM
THIS EVENING FOR THE OKLAHOMA PANHANDLE AND FOR THE NORTHERN AND
WESTERN TEXAS PANHANDLE...

OKZ001>003-TXZ001>004-006-007-011-100100-
/O.CON.KAMA.FW.W.0013.000000T0000Z-211010T0100Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley-
Moore-Oldham-
241 PM CDT Sat Oct 9 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE OKLAHOMA
PANHANDLE AND THE WESTERN AND NORTHERN TEXAS PANHANDLE ...

* Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In 
  Texas...Dallam...Sherman...Hansford...Ochiltree...Hartley...
  Moore and Oldham.

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 12 percent.

* Red Flag Threat Index...2 to 5

* Timing...Critical fire weather conditions are expected to
  continue through 8 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and 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...
www.weather.gov/ama
392 
WWUS84 KAMA 100001
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
701 PM CDT Sat Oct 9 2021

OKZ001>003-TXZ001>004-006-007-011-100115-
/O.CAN.KAMA.FW.W.0013.000000T0000Z-211010T0100Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley-
Moore-Oldham-
701 PM CDT Sat Oct 9 2021

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY FOR THE OKLAHOMA PANHANDLE AND THE WESTERN AND
NORTHERN TEXAS PANHANDLE ...

The National Weather Service in Amarillo has cancelled the Red
Flag Warning.

Winds have decreased while relative humidity will continue to
increase. This has already lead to RFTI values dropping to ones
and zeros. Therefore, have canceled the Red Flag Warning for
today. 

$$

For more information from the National Weather Service visit...
www.weather.gov/ama

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 3:34 AM CDTFire Weather WatchAMACimarron, Texas11 hr

Nearby

Red Flag Warnings in Texas, 2021Red Flag Warnings in Oklahoma, 2021Every red flag warning in 2021

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.