Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 145, NWS Amarillo, TX

June 12, 2021Deaf Smith County, Oldham County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 12, 2021, 10:02 PM CDT for Deaf Smith County, Oldham County, Texas. It was in force for 73 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 12, 2021, 10:02 PM CDT (03:02 UTC)
Expired: Jun 12, 2021, 11:15 PM CDT
In force: 73 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Deaf Smith County, TX, Oldham County, TX

The radar

The Cannon AFB radar (KFDX), 89 km from the middle of the area, began a volume at 03:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 12, 9:39 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.0 hours before the alert went out and 104 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: 3697 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 18.7

Open this sounding in Storm Lab

The text

As transmitted.

327 
WUUS54 KAMA 130302
SVRAMA
TXC117-359-130415-
/O.NEW.KAMA.SV.W.0145.210613T0302Z-210613T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1002 PM CDT Sat Jun 12 2021

The National Weather Service in Amarillo has issued a

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

* Until 1115 PM CDT.

* At 1002 PM CDT, a severe thunderstorm was located 10 miles
  southeast of San Jon, or 33 miles east of Tucumcari, moving east at
  25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Adrian, Glenrio, Bootleg and Simms. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3530 10304 3541 10254 3475 10249 3475 10304
TIME...MOT...LOC 0302Z 256DEG 23KT 3504 10316 

HAIL...1.25IN
WIND...60MPH
 
$$

TLH

2 follow-up statements

461 
WWUS54 KAMA 130318
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1018 PM CDT Sat Jun 12 2021

TXC117-359-130415-
/O.CON.KAMA.SV.W.0145.000000T0000Z-210613T0415Z/
Oldham TX-Deaf Smith TX-
1018 PM CDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR SOUTHWESTERN OLDHAM AND DEAF SMITH COUNTIES...

At 1016 PM CDT, automated weather equipment reported a severe
thunderstorm was located 9 miles south of Glenrio, or 35 miles
northwest of Friona, moving east at 20 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Automated weather equipment located near Endee, New Mexico 
         recorded a 65 mph wind gust at 10:08 PM LDT.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. Hail damage to vehicles is 
         expected.

Locations impacted include...
Adrian, Glenrio, Bootleg and Simms. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3530 10304 3541 10254 3475 10249 3475 10304
TIME...MOT...LOC 0316Z 257DEG 18KT 3505 10311 

HAIL...1.25IN
WIND...70MPH
 
$$

TLH

997 
WWUS54 KAMA 130340
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1040 PM CDT Sat Jun 12 2021

TXC117-359-130415-
/O.CON.KAMA.SV.W.0145.000000T0000Z-210613T0415Z/
Oldham TX-Deaf Smith TX-
1040 PM CDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR SOUTHWESTERN OLDHAM AND DEAF SMITH COUNTIES...

At 1040 PM CDT, automated weather equipment reported a severe
thunderstorm was located 8 miles southeast of Glenrio, or 30 miles
west of Vega, moving east at 25 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Automated weather equipment.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. People and animals outdoors will 
         be injured. Expect hail damage to roofs, siding, windows, 
         and vehicles.

Locations impacted include...
Adrian, Glenrio, Bootleg and Simms. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3530 10304 3541 10254 3475 10249 3475 10304
TIME...MOT...LOC 0340Z 256DEG 23KT 3509 10293 

HAIL...1.50IN
WIND...70MPH
 
$$

TLH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 10:28 PM CDT	Special Weather Statement	AMA	Dallam	32 min
Jun 12, 10:32 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	58 min
Jun 12, 11:01 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Moore, Sherman	74 min
Jun 12, 11:07 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Oldham	83 min
Jun 12, 11:46 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Hutchinson, Moore, Oldham and 2 more	59 min
Jun 12, 11:51 PM CDT	Special Weather Statement	AMA	Deaf Smith	24 min
Jun 13, 12:15 AM CDT	Areal Flood Warning	AMA	Dallam, Hartley, Moore, Oldham, Potter, Sherman	2 hr
Jun 13, 12:22 AM CDT	Special Weather Statement	AMA	Randall	23 min
Jun 13, 12:28 AM CDT	Special Weather Statement	AMA	Deaf Smith	32 min
Jun 13, 12:42 AM CDT	Severe Thunderstorm Warning	AMA	Carson, Hansford, Hartley, Hutchinson, Moore, Ochiltree and 4 more	63 min
Jun 13, 1:15 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Gray, Hutchinson, Potter, Randall and 1 more	45 min
Jun 13, 1:28 AM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Hutchinson	2 hr
Jun 13, 1:56 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Hemphill, Hutchinson and 3 more	64 min
Jun 13, 2:37 AM CDT	Special Weather Statement	AMA	Sherman	23 min
Jun 13, 2:56 AM CDT	Special Weather Statement	AMA	Donley	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.