Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 282, NWS Amarillo, TX

October 12, 20214 counties in Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 12, 2021, 11:59 PM CDT for 4 counties in Texas; Beaver County, Oklahoma. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 12, 2021, 11:59 PM CDT (04:59 UTC)
Expired: Oct 13, 2021, 1:00 AM CDT
In force: 61 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.0 in
Wind: 70.0 mph

Counties Beaver County, OK, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX

The radar

The Amarillo radar (KAMA), 154 km from the middle of the area, began a volume at 04:59 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.

What was reported inside it

Time	Report	Where	Remark
Oct 13, 12:36 AM CDT	HAIL 1.25	Higgins, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 12, 11:05 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.0 hours before the alert went out and 154 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: 165 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 2910 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

016 
WUUS54 KAMA 130459
SVRAMA
OKC007-TXC211-295-357-393-130600-
/O.NEW.KAMA.SV.W.0282.211013T0459Z-211013T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1159 PM CDT Tue Oct 12 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Beaver County in the Panhandle of Oklahoma...
  Lipscomb County in the Panhandle of Texas...
  Northeastern Roberts County in the Panhandle of Texas...
  Northern Hemphill County in the Panhandle of Texas...
  Southeastern Ochiltree County in the Panhandle of Texas...

* Until 100 AM CDT.

* At 1158 PM CDT, a severe thunderstorm was located 8 miles northwest
  of Glazier, or 11 miles southwest of Lipscomb, moving northeast at
  55 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lipscomb, Canadian, Follett, Higgins, Darrouzett, Wolf Creek Park,
  Slapout, Glazier and Lake Marvin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM CDT for the Panhandle
of Oklahoma...and the Panhandle of Texas.

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

&&

LAT...LON 3578 10053 3624 10066 3671 10001 3583 10000
TIME...MOT...LOC 0458Z 238DEG 49KT 3610 10038 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Ward

2 follow-up statements

161 
WWUS54 KAMA 130517
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1217 AM CDT Wed Oct 13 2021

TXC357-393-130526-
/O.CAN.KAMA.SV.W.0282.000000T0000Z-211013T0600Z/
Roberts TX-Ochiltree TX-
1217 AM CDT Wed Oct 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROBERTS AND
SOUTHEASTERN OCHILTREE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM CDT for the Panhandle
of Oklahoma...and the Panhandle of Texas.

LAT...LON 3578 10053 3613 10036 3647 10034 3671 10001
      3583 10000
TIME...MOT...LOC 0516Z 238DEG 49KT 3624 10011 

$$

OKC007-TXC211-295-130600-
/O.CON.KAMA.SV.W.0282.000000T0000Z-211013T0600Z/
Beaver OK-Lipscomb TX-Hemphill TX-
1217 AM CDT Wed Oct 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR SOUTHEASTERN BEAVER...LIPSCOMB AND NORTHERN HEMPHILL COUNTIES...

At 1216 AM CDT, a severe thunderstorm was located 8 miles east of
Lipscomb, moving northeast at 55 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Lipscomb, Canadian, Follett, Higgins, Darrouzett, Slapout, Glazier
and Lake Marvin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM CDT for the Panhandle
of Oklahoma...and the Panhandle of Texas.

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

&&

LAT...LON 3578 10053 3613 10036 3647 10034 3671 10001
      3583 10000
TIME...MOT...LOC 0516Z 238DEG 49KT 3624 10011 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Ward

240 
WWUS54 KAMA 130546
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1246 AM CDT Wed Oct 13 2021

OKC007-130555-
/O.CAN.KAMA.SV.W.0282.000000T0000Z-211013T0600Z/
Beaver OK-
1246 AM CDT Wed Oct 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BEAVER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM CDT for the Panhandle
of Texas.

LAT...LON 3581 10052 3603 10025 3642 10001 3583 10000
      3578 10053
TIME...MOT...LOC 0545Z 245DEG 35KT 3616 9994 

$$

TXC211-295-130600-
/O.CON.KAMA.SV.W.0282.000000T0000Z-211013T0600Z/
Lipscomb TX-Hemphill TX-
1246 AM CDT Wed Oct 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR SOUTHEASTERN LIPSCOMB AND NORTHERN HEMPHILL COUNTIES...

At 1245 AM CDT, a severe thunderstorm was located 5 miles northeast
of Higgins, or 8 miles southwest of Shattuck, moving northeast at 40
mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Canadian, Higgins, Glazier and Lake Marvin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM CDT for the Panhandle
of Texas.

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

&&

LAT...LON 3581 10052 3603 10025 3642 10001 3583 10000
      3578 10053
TIME...MOT...LOC 0545Z 245DEG 35KT 3616 9994 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Ward

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 7:06 PM CDT	Special Weather Statement	AMA	Dallam, Hartley, Sherman	24 min
Oct 12, 7:08 PM CDT	Special Weather Statement	AMA	Hartley	37 min
Oct 12, 7:19 PM CDT	Special Weather Statement	AMA	Deaf Smith, Oldham	41 min
Oct 12, 7:33 PM CDT	Special Weather Statement	AMA	Dallam	42 min
Oct 12, 8:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford	53 min
Oct 12, 9:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford, Ochiltree	56 min
Oct 12, 10:02 PM CDT	Special Weather Statement	AMA	Carson	28 min
Oct 12, 10:23 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hemphill, Hutchinson, Lipscomb, Ochiltree, Roberts	82 min
Oct 12, 10:30 PM CDT	Special Weather Statement	AMA	Carson, Hutchinson, Roberts	30 min
Oct 12, 10:52 PM CDT	Special Weather Statement	AMA	Carson	23 min
Oct 12, 11:00 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	60 min
Oct 12, 11:01 PM CDT	Special Weather Statement	AMA	Carson	29 min
Oct 12, 11:42 PM CDT	Special Weather Statement	AMA	Gray	33 min
Oct 13, 12:01 AM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	59 min
Oct 13, 12:50 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Hemphill, Wheeler	55 min
Oct 13, 12:57 AM CDT	Tornado Warning	AMA	Collingsworth, Donley, Gray, Wheeler	33 min
Oct 13, 2:06 AM CDT	Special Weather Statement	AMA	Collingsworth	24 min
Oct 12, 7:57 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	63 min
Oct 12, 8:06 PM CDT	Tornado Warning	AMA	Texas	24 min
Oct 12, 8:28 PM CDT	Tornado Warning	AMA	Texas	32 min
Oct 12, 8:35 PM CDT	Tornado Warning	AMA	Texas	25 min
Oct 12, 9:01 PM CDT	Tornado Warning	AMA	Texas	44 min
Oct 12, 9:12 PM CDT	Tornado Warning	AMA	Texas	33 min
Oct 12, 9:47 PM CDT	Tornado Warning	AMA	Beaver, Texas	28 min
Oct 12, 9:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Beaver, Texas	54 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Severe Thunderstorm Warnings in Oklahoma, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.