Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Amarillo, TX

May 7, 2020Beaver County, Oklahoma; Lipscomb County, Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 7, 2020, 9:25 PM CDT for Beaver County, Oklahoma; Lipscomb County, Ochiltree County, Texas. It was in force for 65 min. 2 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: May 7, 2020, 9:25 PM CDT (02:25 UTC)
Expired: May 7, 2020, 10:30 PM CDT
In force: 65 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 Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 02:26 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
May 7, 10:08 PM CDT	HAIL 1	Booker, TX
May 7, 10:10 PM CDT	HAIL 0.88	6 E Wolf Creek Park, 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
May 7, 7:40 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.4 hours before the alert went out and 162 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: 7 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 4361 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

991 
WUUS54 KAMA 080225
SVRAMA
OKC007-TXC295-357-080330-
/O.NEW.KAMA.SV.W.0021.200508T0225Z-200508T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
925 PM CDT Thu May 7 2020

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...
  Ochiltree County in the Panhandle of Texas...

* Until 1030 PM CDT.

* At 924 PM CDT, severe thunderstorms were located along a line
  extending from 8 miles north of Darrouzett to near Booker to 5
  miles northeast of Perryton, moving east at 45 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...
  Perryton, Lipscomb, Booker, Follett, Darrouzett, Wolf Creek Park
  and Farnsworth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3605 10037 3606 10062 3636 10109 3639 10109
      3665 10031 3659 10000 3622 10000
TIME...MOT...LOC 0224Z 284DEG 38KT 3656 10028 3649 10052 3645 10074 

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

Rutt

2 follow-up statements

681 
WWUS54 KAMA 080231
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
931 PM CDT Thu May 7 2020

OKC007-TXC295-357-080330-
/O.CON.KAMA.SV.W.0021.000000T0000Z-200508T0330Z/
Beaver OK-Lipscomb TX-Ochiltree TX-
931 PM CDT Thu May 7 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN BEAVER...LIPSCOMB AND OCHILTREE COUNTIES...

At 931 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Slapout to 6 miles east of Booker
to 8 miles northeast of Perryton, moving east at 45 mph.

HAZARD...Two inch 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...
Perryton, Lipscomb, Booker, Follett, Darrouzett, Wolf Creek Park and
Farnsworth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3605 10037 3606 10062 3636 10109 3639 10109
      3665 10031 3659 10000 3622 10000
TIME...MOT...LOC 0231Z 270DEG 38KT 3655 10019 3648 10043 3644 10065 

HAIL...2.00IN
WIND...60MPH
 
$$

Rutt

556 
WWUS54 KAMA 080317
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1017 PM CDT Thu May 7 2020

OKC007-TXC295-357-080330-
/O.CON.KAMA.SV.W.0021.000000T0000Z-200508T0330Z/
Beaver OK-Lipscomb TX-Ochiltree TX-
1017 PM CDT Thu May 7 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN BEAVER...LIPSCOMB AND SOUTHEASTERN OCHILTREE
COUNTIES...

At 1017 PM CDT, severe thunderstorms were located along a line
extending from 5 miles northwest of Fargo to 6 miles north of
Shattuck to 7 miles south of Follett, moving east at 45 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, Booker, Follett, Darrouzett and Wolf Creek Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3605 10037 3606 10062 3622 10087 3659 10035
      3638 10000 3622 10000
TIME...MOT...LOC 0317Z 284DEG 38KT 3644 9966 3637 9990 3633 10012 

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

Rutt

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 9:06 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	54 min
May 7, 9:55 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	65 min
May 7, 9:58 PM CDT	Wind Advisory	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 7 more	40 min
May 7, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	60 min
May 7, 10:24 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	66 min
May 7, 10:38 PM CDT	High Wind Warning	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 8 more	6 hr
May 7, 10:38 PM CDT	Special Weather Statement	AMA	Lipscomb	37 min
May 7, 11:23 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	19 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Severe Thunderstorm Warnings in Oklahoma, 2020 Every severe thunderstorm warning in 2020

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.