Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 100, NWS Amarillo, TX

May 23, 2021Dallam County, Hartley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 23, 2021, 9:39 PM CDT for Dallam County, Hartley County, Texas. It was in force for 66 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: May 23, 2021, 9:39 PM CDT (02:39 UTC)
Expired: May 23, 2021, 10:45 PM CDT
In force: 66 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Dallam County, TX, Hartley County, TX

The radar

The Amarillo radar (KAMA), 138 km from the middle of the area, began a volume at 02:41 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 23, 10:55 PM CDT	HAIL 0.75	3 S Ware, 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 23, 5:07 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.7 hours before the alert went out and 139 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: 1078 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 977 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

As transmitted.

138 
WUUS54 KAMA 240239
SVRAMA
TXC111-205-240345-
/O.NEW.KAMA.SV.W.0100.210524T0239Z-210524T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
939 PM CDT Sun May 23 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southwestern Dallam County in the Panhandle of Texas...
  Northwestern Hartley County in the Panhandle of Texas...

* Until 1045 PM CDT.

* At 939 PM CDT, a severe thunderstorm was located 13 miles northeast
  of Amistad, moving northeast at 20 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...
  Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3607 10304 3636 10279 3596 10239 3580 10304
TIME...MOT...LOC 0239Z 224DEG 19KT 3600 10293 

HAIL...1.50IN
WIND...60MPH
 
$$

Bieda

5 follow-up statements

129 
WWUS54 KAMA 240246
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
946 PM CDT Sun May 23 2021

TXC111-205-240345-
/O.CON.KAMA.SV.W.0100.000000T0000Z-210524T0345Z/
Dallam TX-Hartley TX-
946 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...

At 946 PM CDT, a severe thunderstorm was located 13 miles east of
Amistad, moving northeast at 15 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...
Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3607 10304 3636 10279 3596 10239 3584 10304
TIME...MOT...LOC 0246Z 231DEG 14KT 3599 10293 

HAIL...1.50IN
WIND...60MPH
 
$$

Bieda

057 
WWUS54 KAMA 240253
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
953 PM CDT Sun May 23 2021

TXC111-205-240345-
/O.CON.KAMA.SV.W.0100.000000T0000Z-210524T0345Z/
Dallam TX-Hartley TX-
953 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...

At 953 PM CDT, a severe thunderstorm was located 14 miles east of
Amistad, moving northeast at 15 mph.

HAZARD...Golf 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...
Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3607 10304 3630 10273 3596 10239 3584 10304
TIME...MOT...LOC 0253Z 239DEG 14KT 3598 10290 

HAIL...1.75IN
WIND...60MPH
 
$$

Bieda

093 
WWUS54 KAMA 240306
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1006 PM CDT Sun May 23 2021

TXC111-205-240345-
/O.CON.KAMA.SV.W.0100.000000T0000Z-210524T0345Z/
Dallam TX-Hartley TX-
1006 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...

At 1006 PM CDT, a severe thunderstorm was located 14 miles southwest
of Ware, or 17 miles east of Amistad, moving northeast at 15 mph.

HAZARD...Golf 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...
Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3630 10273 3596 10239 3593 10298 3609 10302
TIME...MOT...LOC 0306Z 239DEG 13KT 3601 10285 

HAIL...1.75IN
WIND...60MPH
 
$$

Bieda

106 
WWUS54 KAMA 240318
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1018 PM CDT Sun May 23 2021

TXC111-205-240345-
/O.CON.KAMA.SV.W.0100.000000T0000Z-210524T0345Z/
Dallam TX-Hartley TX-
1018 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...

At 1017 PM CDT, a severe thunderstorm was located 11 miles southwest
of Ware, or 17 miles west of Dalhart, moving northeast at 15 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...
Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3630 10273 3596 10239 3593 10294 3612 10298
TIME...MOT...LOC 0317Z 236DEG 15KT 3605 10283 

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

Bieda

751 
WWUS54 KAMA 240330
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1030 PM CDT Sun May 23 2021

TXC111-205-240345-
/O.CON.KAMA.SV.W.0100.000000T0000Z-210524T0345Z/
Dallam TX-Hartley TX-
1030 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...

At 1030 PM CDT, a severe thunderstorm was located 6 miles southwest
of Ware, or 14 miles west of Dalhart, moving northeast at 20 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...
Dalhart and Ware. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3630 10273 3599 10242 3597 10290 3615 10294
TIME...MOT...LOC 0330Z 224DEG 19KT 3610 10277 

HAIL...1.50IN
WIND...60MPH
 
$$

Bieda

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:31 PM CDT	Special Weather Statement	AMA	Dallam	29 min
May 23, 8:30 PM CDT	Special Weather Statement	AMA	Hartley	30 min
May 23, 9:01 PM CDT	Special Weather Statement	AMA	Dallam	44 min
May 23, 9:08 PM CDT	Special Weather Statement	AMA	Hartley	52 min
May 23, 10:40 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.