Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 204, NWS Amarillo, TX

July 15, 2021Lipscomb County, Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 15, 2021, 7:58 PM CDT for Lipscomb County, Ochiltree County, Texas. It was in force for 47 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: Jul 15, 2021, 7:58 PM CDT (00:58 UTC)
Expired: Jul 15, 2021, 8:45 PM CDT
In force: 47 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Lipscomb County, TX, Ochiltree County, TX

The radar

The Amarillo radar (KAMA), 156 km from the middle of the area, began a volume at 01:00 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, 1.0 hours before the alert went out and 156 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: 128 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 1769 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

914 
WUUS54 KAMA 160058
SVRAMA
TXC295-357-160145-
/O.NEW.KAMA.SV.W.0204.210716T0058Z-210716T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
758 PM CDT Thu Jul 15 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  West central Lipscomb County in the Panhandle of Texas...
  Northeastern Ochiltree County in the Panhandle of Texas...

* Until 845 PM CDT.

* At 758 PM CDT, a severe thunderstorm was located 5 miles north of
  Wolf Creek Park, or 10 miles southeast of Perryton, and is nearly
  stationary.

  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...
  Wolf Creek Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3616 10064 3633 10079 3650 10063 3650 10059
      3624 10034
TIME...MOT...LOC 0058Z 221DEG 3KT 3630 10065 

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

Rutt

1 follow-up statement

327 
WWUS54 KAMA 160138
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
838 PM CDT Thu Jul 15 2021

TXC295-357-160148-
/O.EXP.KAMA.SV.W.0204.000000T0000Z-210716T0145Z/
Lipscomb TX-Ochiltree TX-
838 PM CDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL LIPSCOMB AND
NORTHEASTERN OCHILTREE COUNTIES WILL EXPIRE AT 845 PM 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.

LAT...LON 3616 10064 3633 10079 3650 10063 3650 10059
      3624 10034
TIME...MOT...LOC 0138Z 221DEG 3KT 3632 10062 

$$

Rutt

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 7:01 PM CDT	Areal Flood Advisory	AMA	Moore	3 hr
Jul 15, 7:21 PM CDT	Special Weather Statement	AMA	Moore	24 min
Jul 15, 7:31 PM CDT	Special Weather Statement	AMA	Lipscomb	29 min
Jul 15, 7:40 PM CDT	Areal Flood Advisory	AMA	Lipscomb, Ochiltree	2 hr
Jul 15, 7:41 PM CDT	Special Weather Statement	AMA	Hansford	34 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.