Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 143, NWS Amarillo, TX

June 7, 2021Armstrong County, Donley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 7, 2021, 11:29 PM CDT for Armstrong County, Donley County, Texas. It was in force for 31 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: Jun 7, 2021, 11:29 PM CDT (04:29 UTC)
Expired: Jun 8, 2021, 12:00 AM CDT
In force: 31 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), 67 km from the middle of the area, began a volume at 04:30 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, 4.5 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1124 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 2448 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

734 
WUUS54 KAMA 080429
SVRAMA
TXC011-129-080500-
/O.NEW.KAMA.SV.W.0143.210608T0429Z-210608T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1129 PM CDT Mon Jun 7 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Armstrong County in the Panhandle of Texas...
  Southwestern Donley County in the Panhandle of Texas...

* Until midnight CDT.

* At 1129 PM CDT, a severe thunderstorm was located 14 miles west of
  Brice, or 16 miles southwest of Clarendon, 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.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Armstrong and southwestern Donley Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10137 3492 10135 3492 10091 3475 10085
TIME...MOT...LOC 0429Z 289DEG 17KT 3479 10113 

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

Andrade

2 follow-up statements

665 
WWUS54 KAMA 080439
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1139 PM CDT Mon Jun 7 2021

TXC011-129-080500-
/O.CON.KAMA.SV.W.0143.000000T0000Z-210608T0500Z/
Armstrong TX-Donley TX-
1139 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHEASTERN ARMSTRONG AND SOUTHWESTERN DONLEY COUNTIES...

At 1139 PM CDT, a severe thunderstorm was located 11 miles northwest
of Brice, or 15 miles southwest of Clarendon, 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.

This severe thunderstorm will remain over mainly rural areas of
southeastern Armstrong and southwestern Donley Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10136 3490 10134 3492 10091 3475 10085
TIME...MOT...LOC 0439Z 289DEG 17KT 3477 10107 

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

Andrade

124 
WWUS54 KAMA 080453
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1153 PM CDT Mon Jun 7 2021

TXC011-129-080502-
/O.EXP.KAMA.SV.W.0143.000000T0000Z-210608T0500Z/
Armstrong TX-Donley TX-
1153 PM CDT Mon Jun 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ARMSTRONG AND
SOUTHWESTERN DONLEY COUNTIES WILL EXPIRE AT MIDNIGHT CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Amarillo.

LAT...LON 3475 10136 3490 10134 3492 10091 3475 10085
TIME...MOT...LOC 0452Z 289DEG 17KT 3475 10101 

$$

Andrade

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:25 PM CDT	Special Weather Statement	AMA	Deaf Smith	50 min
Jun 7, 7:50 PM CDT	Special Weather Statement	AMA	Oldham	25 min
Jun 7, 8:13 PM CDT	Special Weather Statement	AMA	Oldham	32 min
Jun 7, 8:15 PM CDT	Special Weather Statement	AMA	Deaf Smith	30 min
Jun 7, 8:23 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	37 min
Jun 7, 10:45 PM CDT	Special Weather Statement	AMA	Armstrong	30 min
Jun 7, 11:19 PM CDT	Special Weather Statement	AMA	Armstrong	26 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.