Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 26, NWS Amarillo, TX

April 23, 2021Armstrong County, Donley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 23, 2021, 4:28 PM CDT for Armstrong County, Donley County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 23, 2021, 4:28 PM CDT (21:28 UTC)
Expired
Apr 23, 2021, 5:30 PM CDT
In force
62 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Armstrong County, TX, Donley County, TX

The radar

The Amarillo radar (KAMA), 50 km from the middle of the area, began a volume at 21:28 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, 9.5 hours before the alert went out and 49 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 2021-04-23Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.1939587897117136Sfc1 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
1968 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

607 
WUUS54 KAMA 232128
SVRAMA
TXC011-129-232230-
/O.NEW.KAMA.SV.W.0026.210423T2128Z-210423T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
428 PM CDT Fri Apr 23 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Armstrong County in the Panhandle of Texas...
  Northwestern Donley County in the Panhandle of Texas...

* Until 530 PM CDT.

* At 428 PM CDT, a severe thunderstorm was located 6 miles southeast
  of Claude, moving east at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to roofs, siding, and trees is possible. 
           Hail damage to vehicles is expected.

* Locations impacted include...
  Claude and Goodnight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3496 10139 3512 10141 3518 10113 3518 10099
      3492 10093
TIME...MOT...LOC 2128Z 264DEG 17KT 3503 10131 

HAIL...1.00IN
WIND...60MPH
 
$$

DGW
3 follow-up statements
325 
WWUS54 KAMA 232136
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
436 PM CDT Fri Apr 23 2021

TXC011-129-232230-
/O.CON.KAMA.SV.W.0026.000000T0000Z-210423T2230Z/
Armstrong TX-Donley TX-
436 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN ARMSTRONG AND NORTHWESTERN DONLEY COUNTIES...

At 436 PM CDT, a severe thunderstorm was located 4 miles west of
Goodnight, or 7 miles southeast of Claude, moving east at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible. 
         People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles.

Locations impacted include...
Claude and Goodnight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3496 10139 3512 10141 3518 10113 3518 10099
      3492 10093
TIME...MOT...LOC 2136Z 264DEG 17KT 3503 10126 

HAIL...1.50IN
WIND...60MPH
 
$$

DGW
101 
WWUS54 KAMA 232155
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
455 PM CDT Fri Apr 23 2021

TXC011-129-232230-
/O.CON.KAMA.SV.W.0026.000000T0000Z-210423T2230Z/
Armstrong TX-Donley TX-
455 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN ARMSTRONG AND NORTHWESTERN DONLEY COUNTIES...

At 455 PM CDT, a severe thunderstorm was located over Goodnight, or
12 miles east of Claude, moving east at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible. 
         People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles.

Locations impacted include...
Goodnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3495 10132 3506 10125 3516 10121 3517 10117
      3518 10099 3492 10093
TIME...MOT...LOC 2155Z 264DEG 17KT 3504 10115 

HAIL...1.50IN
WIND...60MPH
 
$$

DGW
792 
WWUS54 KAMA 232221
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
521 PM CDT Fri Apr 23 2021

TXC011-129-232230-
/O.CON.KAMA.SV.W.0026.000000T0000Z-210423T2230Z/
Armstrong TX-Donley TX-
521 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EAST CENTRAL ARMSTRONG AND WEST CENTRAL DONLEY COUNTIES...

At 520 PM CDT, a severe thunderstorm was located 5 miles west of
Howardwick, or 10 miles northwest of Clarendon, moving east at 20
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible. 
         People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles.

This severe thunderstorm will remain over mainly rural areas of east
central Armstrong and west central Donley Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3495 10132 3501 10124 3509 10097 3492 10093
TIME...MOT...LOC 2220Z 264DEG 17KT 3505 10100 

HAIL...1.50IN
WIND...60MPH
 
$$

DGW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 3:51 PM CDTSpecial Weather StatementAMAHartley24 min
Apr 23, 4:15 PM CDTSpecial Weather StatementAMAHartley30 min
Apr 23, 4:48 PM CDTSpecial Weather StatementAMAHartley27 min
Apr 23, 4:54 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley66 min
Apr 23, 5:01 PM CDTSpecial Weather StatementAMACarson29 min
Apr 23, 5:19 PM CDTSpecial Weather StatementAMACarson26 min
Apr 23, 5:28 PM CDTSevere Thunderstorm WarningAMACarson, Gray62 min
Apr 23, 5:34 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Roberts56 min
Apr 23, 5:58 PM CDTSpecial Weather StatementAMADonley32 min
Apr 23, 6:24 PM CDTSpecial Weather StatementAMAGray36 min
Apr 23, 6:28 PM CDTSpecial Weather StatementAMAHutchinson32 min
Apr 23, 6:59 PM CDTSpecial Weather StatementAMAGray31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm 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.