Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 16, NWS Amarillo, TX

October 28, 202112 counties in Texas; Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Oct 28, 2021, 3:23 AM CDT for 12 counties in Texas; Beaver County, Texas County, Oklahoma. It took effect at Oct 28, 2021, 10:00 AM CDT. It was in force for 9 hr. 13 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 28, 2021, 3:23 AM CDT (08:23 UTC)
In effect from
Oct 28, 2021, 10:00 AM CDT
Expired
Oct 28, 2021, 7:00 PM CDT
In force
9 hr
Issued by
NWS Amarillo, TX

Counties Beaver County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 100 km from the middle of the area, began a volume at 08:24 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.

What was reported inside it

TimeReportWhereRemark
Oct 28, 10:54 AM CDTNON-TSTM WND GST 611 Wsw Guymon, OK
Oct 28, 11:20 AM CDTHIGH SUST WINDS 411 E Mclean, TX
Oct 28, 11:55 AM CDTHIGH SUST WINDS 40Perryton, TX
Oct 28, 12:40 PM CDTHIGH SUST WINDS 411 Ssw Panhandle, TX
Oct 28, 12:59 PM CDTHIGH SUST WINDS 432 Nw Lake Mcclellan, TX
Oct 28, 1:04 PM CDTHIGH SUST WINDS 43Goodnight, TX
Oct 28, 1:59 PM CDTHIGH SUST WINDS 4310 N Spearman, TXPALO DURO RESERVOIR MESONET SITE.
Oct 28, 2:02 PM CDTHIGH SUST WINDS 456 Se Wellington, TX
Oct 28, 2:02 PM CDTNON-TSTM WND GST 586 Se Wellington, TX
Oct 28, 2:10 PM CDTHIGH SUST WINDS 402 Wsw Clarendon, TX
Oct 28, 3:10 PM CDTHIGH SUST WINDS 402 E Pampa, TX
Oct 28, 3:20 PM CDTHIGH SUST WINDS 406 E Canadian, TX
Oct 28, 3:34 PM CDTHIGH SUST WINDS 407 E Borger, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 8.4 hours before the alert went out and 99 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 2021-10-28Temperature 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, Amarillo Airport, TX at 00:00Z on 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897117Sfc1 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
2906 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

032 
WWUS84 KAMA 280823
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
323 AM CDT Thu Oct 28 2021

OKZ002-003-TXZ003>005-008>010-013>015-018>020-282030-
/O.NEW.KAMA.FW.W.0016.211028T1500Z-211029T0000Z/
Texas-Beaver-Hansford-Ochiltree-Lipscomb-Hutchinson-Roberts-
Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
323 AM CDT Thu Oct 28 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
CENTRAL AND EASTERN PORTIONS OF THE COMBINED PANHANDLES...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 10 AM this morning to 7 PM CDT this evening.

* Affected Area...In Oklahoma...Texas and Beaver. In Texas... 
  Hansford...Ochiltree...Lipscomb...Hutchinson...Roberts... 
  Hemphill...Carson...Gray...Wheeler...Armstrong...Donley and 
  Collingsworth.

* 20 Foot Winds...North 25 to 35 mph with gusts up to 60 mph.

* Relative Humidity...As low as 15 percent.

* Red Flag Threat Index...Values of 4 across the warning area. 

* Timing...Starting mid morning and going through 7 PM CDT.

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
2 follow-up statements
194 
WWUS84 KAMA 281954
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
254 PM CDT Thu Oct 28 2021

OKZ002-003-TXZ003>005-008>010-013>015-018>020-290000-
/O.CON.KAMA.FW.W.0016.000000T0000Z-211029T0000Z/
Texas-Beaver-Hansford-Ochiltree-Lipscomb-Hutchinson-Roberts-
Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
254 PM CDT Thu Oct 28 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR CENTRAL AND
EASTERN PORTIONS OF THE COMBINED PANHANDLES...

* Affected Area...In Oklahoma...Texas and Beaver. In Texas... 
  Hansford...Ochiltree...Lipscomb...Hutchinson...Roberts... 
  Hemphill...Carson...Gray...Wheeler...Armstrong...Donley and 
  Collingsworth.

* 20 Foot Winds...North 25 to 35 mph with gusts up to 60 mph.

* Relative Humidity...As low as 15 percent.

* Red Flag Threat Index...Values of 4 across the warning area.

* Timing...Starting mid morning and going through 7 PM CDT.

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
889 
WWUS84 KAMA 290014
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
714 PM CDT Thu Oct 28 2021

OKZ002-003-TXZ003>005-008>010-013>015-018>020-290115-
/O.EXP.KAMA.FW.W.0016.000000T0000Z-211029T0000Z/
Texas-Beaver-Hansford-Ochiltree-Lipscomb-Hutchinson-Roberts-
Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
714 PM CDT Thu Oct 28 2021

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR CENTRAL AND EASTERN PORTIONS OF THE COMBINED
PANHANDLES...

Winds are diminishing across the area and relative humidity values
are increasing. Therefore, the Red Flag Warning issued earlier has
been allowed to expire at 7 PM. 

$$

02

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 28, 1:49 AM CDTHigh Wind WarningAMAArmstrong, Carson, Collingsworth, Donley, Gray, Hansford and 6 more17 hr
Oct 28, 1:49 AM CDTWind AdvisoryAMADallam, Hartley, Moore, Potter, Randall, Sherman17 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.