Alert archive / Texas / Wind Advisories in 2023

Wind Advisory 21, NWS Amarillo, TX

November 20, 20238 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this wind advisory at Nov 20, 2023, 2:21 AM CST for 8 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Nov 20, 2023, 9:00 AM CST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2023, 2:21 AM CST (08:21 UTC)
In effect from
Nov 20, 2023, 9:00 AM CST
Expired
Nov 20, 2023, 8:00 PM CST
In force
11 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 08:21 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 8.4 hours before the alert went out and 82 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 2023-11-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2023-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
3 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2506 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

193 
WWUS74 KAMA 200821
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
221 AM CST Mon Nov 20 2023

OKZ001-002-TXZ001-002-006-007-011-012-016-017-201800-
/O.NEW.KAMA.WI.Y.0021.231120T1500Z-231121T0000Z/
Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Potter-Deaf
Smith-Randall-
Including the cities of Umbarger, Bushland, Conlen, Stratford,
Hartley, Dalhart, Vega, Dumas, Ware, Dawn, Bootleg, Buffalo Lake,
Canyon, Masterson, Amarillo, Guymon, Romero, Boise City,
Channing, Wildorado, Boys Ranch, Hereford, Keyes, and Four Way
221 AM CST Mon Nov 20 2023

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST THIS 
EVENING...

* WHAT...North winds around 35 mph with gusts up to 55 mph expected.

* WHERE...In Oklahoma, Cimarron and Texas Counties. In Texas, 
  Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter, Randall, and 
  Sherman Counties.

* WHEN...From 9 AM this morning to 6 PM CST this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

LG
3 follow-up statements
691 
WWUS74 KAMA 201740
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
1140 AM CST Mon Nov 20 2023

OKZ001-002-TXZ001-002-006-007-011-012-016-017-210000-
/O.CON.KAMA.WI.Y.0021.000000T0000Z-231121T0000Z/
Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Potter-Deaf
Smith-Randall-
Including the cities of Vega, Stratford, Four Way, Hartley, Boys
Ranch, Umbarger, Conlen, Wildorado, Masterson, Bushland, Dalhart,
Amarillo, Dawn, Keyes, Bootleg, Canyon, Boise City, Dumas,
Buffalo Lake, Romero, Channing, Guymon, Ware, and Hereford
1140 AM CST Mon Nov 20 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...North winds around 35 mph with gusts up to 55 mph expected.

* WHERE...In Oklahoma, Cimarron and Texas Counties. In Texas, 
  Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter, Randall, and 
  Sherman Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

AH
527 
WWUS74 KAMA 202314
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
514 PM CST Mon Nov 20 2023

OKZ001-002-TXZ001-002-006-007-011-012-016-017-210200-
/O.EXT.KAMA.WI.Y.0021.000000T0000Z-231121T0200Z/
Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Potter-Deaf
Smith-Randall-
Including the cities of Dawn, Amarillo, Hereford, Boys Ranch,
Boise City, Keyes, Bushland, Masterson, Ware, Stratford, Romero,
Vega, Wildorado, Channing, Bootleg, Hartley, Canyon, Guymon, Four
Way, Conlen, Dumas, Buffalo Lake, Umbarger, and Dalhart
514 PM CST Mon Nov 20 2023

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM CST THIS EVENING...

* WHAT...North winds sustained around 35 mph.

* WHERE...In Oklahoma, Cimarron and Texas Counties. In Texas, 
  Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter, Randall, and 
  Sherman Counties.

* WHEN...Until 8 PM CST this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

LFM
496 
WWUS74 KAMA 210150
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
750 PM CST Mon Nov 20 2023

OKZ001-002-TXZ001-002-006-007-011-012-016-017-210300-
/O.EXP.KAMA.WI.Y.0021.000000T0000Z-231121T0200Z/
Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Potter-Deaf
Smith-Randall-
Including the cities of Dawn, Amarillo, Hereford, Boys Ranch,
Boise City, Keyes, Bushland, Masterson, Ware, Stratford, Romero,
Vega, Wildorado, Channing, Bootleg, Hartley, Canyon, Guymon, Four
Way, Conlen, Dumas, Buffalo Lake, Umbarger, and Dalhart
750 PM CST Mon Nov 20 2023

...WIND ADVISORY WILL EXPIRE AT 8 PM CST THIS EVENING...

The threat has ended.

$$

LFM

Nearby

Wind Advisories in Texas, 2023Wind Advisories in Oklahoma, 2023Every wind advisory in 2023

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.