Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Amarillo, TX

June 7, 2021Deaf Smith County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 7, 2021, 8:23 PM CDT for Deaf Smith County, Texas. It was in force for 37 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, 8:23 PM CDT (01:23 UTC)
Expired: Jun 7, 2021, 9:00 PM CDT
In force: 37 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Deaf Smith County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 01:23 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, 1.4 hours before the alert went out and 87 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.

369 
WUUS54 KAMA 080123
SVRAMA
TXC117-080200-
/O.NEW.KAMA.SV.W.0142.210608T0123Z-210608T0200Z/

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

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Deaf Smith County in the Panhandle of Texas...

* Until 900 PM CDT.

* At 823 PM CDT, a severe thunderstorm was located or 8 miles 
  west of Hereford, moving southeast 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...
  Hereford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10267 3487 10256 3483 10232 3475 10225
TIME...MOT...LOC 0123Z 304DEG 19KT 3477 10254 

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

Andrade

2 follow-up statements

415 
WWUS54 KAMA 080135
SVSAMA

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

TXC117-080200-
/O.CON.KAMA.SV.W.0142.000000T0000Z-210608T0200Z/
Deaf Smith TX-
835 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL DEAF SMITH COUNTY...

At 834 PM CDT, a severe thunderstorm was located 6 miles southwest 
of Hereford, moving southeast 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...
Hereford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10262 3484 10255 3485 10242 3484 10236
      3475 10232
TIME...MOT...LOC 0134Z 304DEG 19KT 3474 10248 

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

Andrade

342 
WWUS54 KAMA 080152
SVSAMA

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

TXC117-080202-
/O.EXP.KAMA.SV.W.0142.000000T0000Z-210608T0200Z/
Deaf Smith TX-
852 PM CDT Mon Jun 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL DEAF SMITH
COUNTY WILL EXPIRE AT 900 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3475 10262 3484 10255 3485 10242 3484 10236
      3475 10232
TIME...MOT...LOC 0152Z 304DEG 19KT 3469 10239 

$$

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, 10:45 PM CDT	Special Weather Statement	AMA	Armstrong	30 min
Jun 7, 11:19 PM CDT	Special Weather Statement	AMA	Armstrong	26 min
Jun 7, 11:29 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley	31 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.