Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 262, NWS Amarillo, TX

August 21, 2021Lipscomb County, Ochiltree County, Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 21, 2021, 4:15 PM CDT for Lipscomb County, Ochiltree County, Texas; Beaver County, Oklahoma. It was in force for 90 min. 7 reports 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: Aug 21, 2021, 4:15 PM CDT (21:15 UTC)
Expired: Aug 21, 2021, 5:45 PM CDT
In force: 90 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Dodge City radar (KDDC), 141 km from the middle of the area, began a volume at 21:20 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
Aug 21, 4:44 PM CDT	HAIL 2	Booker, TX	PICTURE WITH HAIL MEASUREMENT SENT TO US VIA SOCIAL MEDIA.
Aug 21, 4:45 PM CDT	HAIL 1.75	Booker, TX	PUBLIC REPORTS ON SOCIAL MEDIA QUARTER TO GOLF BALL SIZE HAIL.
Aug 21, 4:47 PM CDT	HAIL 1.75	Booker, TX
Aug 21, 4:56 PM CDT	HAIL 1.75	1 S Booker, TX	SOCIAL MEDIA REPORT OF GOLF BALL SIZED HAIL.
Aug 21, 5:10 PM CDT	HAIL 1	1 S Elmwood, OK	EMERGENCY MANAGER REPORTS QUARTER SIZED HAIL.
Aug 21, 5:25 PM CDT	HAIL 1.5	3 N Elmwood, OK
Aug 21, 5:55 PM CDT	HAIL 1.75	1 Nnw Boyd, OK

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

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.3 hours before the alert went out and 144 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1831 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

788 
WUUS54 KAMA 212115
SVRAMA
OKC007-TXC295-357-212245-
/O.NEW.KAMA.SV.W.0262.210821T2115Z-210821T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
415 PM CDT Sat Aug 21 2021

The National Weather Service in Amarillo has issued a

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

* Until 545 PM CDT.

* At 414 PM CDT, a severe thunderstorm was located 9 miles northeast
  of Wolf Creek Park, or 12 miles west of Lipscomb, moving north at
  25 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...
  Lipscomb, Beaver, Booker, Forgan, Follett, Darrouzett, Knowles,
  Wolf Creek Park, Elmwood, Boyd, Floris, Bryans Corner, Mocane,
  Turpin, Slapout and Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3613 10008 3615 10063 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2114Z 170DEG 22KT 3627 10049 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LG

4 follow-up statements

855 
WWUS54 KAMA 212147
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
447 PM CDT Sat Aug 21 2021

OKC007-TXC295-357-212245-
/O.CON.KAMA.SV.W.0262.000000T0000Z-210821T2245Z/
Beaver OK-Lipscomb TX-Ochiltree TX-
447 PM CDT Sat Aug 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR BEAVER...LIPSCOMB AND NORTHEASTERN OCHILTREE COUNTIES...

At 447 PM CDT, a severe thunderstorm was located over Booker, or 16
miles east of Perryton, moving north at 25 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...
Lipscomb, Beaver, Booker, Forgan, Follett, Darrouzett, Knowles, Wolf
Creek Park, Elmwood, Boyd, Floris, Bryans Corner, Mocane, Turpin,
Slapout and Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3613 10008 3615 10063 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2147Z 169DEG 21KT 3646 10053 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LG

348 
WWUS54 KAMA 212203
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
503 PM CDT Sat Aug 21 2021

OKC007-TXC295-357-212245-
/O.CON.KAMA.SV.W.0262.000000T0000Z-210821T2245Z/
Beaver OK-Lipscomb TX-Ochiltree TX-
503 PM CDT Sat Aug 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR BEAVER...NORTHWESTERN LIPSCOMB AND NORTHEASTERN OCHILTREE
COUNTIES...

At 503 PM CDT, a severe thunderstorm was located 4 miles south of
Elmwood, or 17 miles south of Beaver, moving north 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...
Beaver, Booker, Forgan, Darrouzett, Knowles, Wolf Creek Park,
Elmwood, Boyd, Floris, Bryans Corner, Mocane, Turpin, Slapout and
Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3653 10009 3615 10063 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2203Z 170DEG 22KT 3656 10055 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LG

530 
WWUS54 KAMA 212227
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
527 PM CDT Sat Aug 21 2021

TXC295-357-212236-
/O.CAN.KAMA.SV.W.0262.000000T0000Z-210821T2245Z/
Lipscomb TX-Ochiltree TX-
527 PM CDT Sat Aug 21 2021

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

LAT...LON 3665 10023 3650 10076 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2226Z 175DEG 30KT 3674 10053 

$$

OKC007-212245-
/O.CON.KAMA.SV.W.0262.000000T0000Z-210821T2245Z/
Beaver OK-
527 PM CDT Sat Aug 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR BEAVER COUNTY...

At 526 PM CDT, a severe thunderstorm was located 5 miles south of
Beaver, moving north at 35 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...
Beaver, Forgan, Knowles, Elmwood, Boyd, Mocane, Turpin, Floris and
Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3665 10023 3650 10076 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2226Z 175DEG 30KT 3674 10053 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LG

193 
WWUS54 KAMA 212231
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
531 PM CDT Sat Aug 21 2021

OKC007-212245-
/O.CON.KAMA.SV.W.0262.000000T0000Z-210821T2245Z/
Beaver OK-
531 PM CDT Sat Aug 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR BEAVER COUNTY...

At 530 PM CDT, a severe thunderstorm was located 4 miles south of
Beaver, moving north at 25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible. 
         People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles.

Locations impacted include...
Beaver, Forgan, Knowles, Elmwood, Boyd, Mocane, Turpin, Floris and
Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3665 10023 3650 10076 3693 10095 3700 10094
      3700 10011
TIME...MOT...LOC 2230Z 176DEG 24KT 3675 10055 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 2:38 PM CDT	Special Weather Statement	AMA	Hemphill	67 min
Aug 21, 2:43 PM CDT	Special Weather Statement	AMA	Potter	62 min
Aug 21, 2:57 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	93 min
Aug 21, 3:32 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	88 min
Aug 21, 3:42 PM CDT	Areal Flood Advisory	AMA	Hemphill	3 hr
Aug 21, 3:42 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	69 min
Aug 21, 3:54 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	10 min
Aug 21, 4:04 PM CDT	Flash Flood Warning	AMA	Potter, Randall	90 min
Aug 21, 4:33 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	70 min
Aug 21, 4:44 PM CDT	Special Weather Statement	AMA	Sherman	61 min
Aug 21, 5:14 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	91 min
Aug 21, 5:20 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree, Sherman	85 min
Aug 21, 6:18 PM CDT	Areal Flood Advisory	AMA	Armstrong, Randall	85 min
Aug 21, 6:18 PM CDT	Special Weather Statement	AMA	Hemphill	27 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.