Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 137, NWS Amarillo, TX

May 31, 2021Collingsworth County, Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 31, 2021, 12:47 AM CDT for Collingsworth County, Wheeler County, Texas. It was in force for 58 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 31, 2021, 12:47 AM CDT (05:47 UTC)
Expired
May 31, 2021, 1:45 AM CDT
In force
58 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Collingsworth County, TX, Wheeler County, TX

The radar

The Altus AFB radar (KFDR), 130 km from the middle of the area, began a volume at 05:46 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

TimeReportWhereRemark
May 31, 1:00 AM CDTTSTM WND DMG5 E Quail, TXEQUIPMENT BARNS DAMAGED WEST OF WELLINGTON. REPORT RECEIVED VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR.

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.

IssuedProductOfficeLasted
May 30, 9:17 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.8 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2021-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2021-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
436 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

277 
WUUS54 KAMA 310547
SVRAMA
TXC087-483-310645-
/O.NEW.KAMA.SV.W.0137.210531T0547Z-210531T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1247 AM CDT Mon May 31 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southern Wheeler County in the Panhandle of Texas...
  Central Collingsworth County in the Panhandle of Texas...

* Until 145 AM CDT.

* At 1247 AM CDT, a severe thunderstorm was located 5 miles east of
  Quail, or 6 miles northwest of Wellington, moving northeast at 20
  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...
  Wellington, Lutie, Quail and Samnorwood. 

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 3476 10032 3488 10048 3527 10012 3514 10000
      3492 10000
TIME...MOT...LOC 0547Z 222DEG 18KT 3490 10031 

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

DGW
2 follow-up statements
750 
WWUS54 KAMA 310616
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
116 AM CDT Mon May 31 2021

TXC483-310626-
/O.CAN.KAMA.SV.W.0137.000000T0000Z-210531T0645Z/
Wheeler TX-
116 AM CDT Mon May 31 2021

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

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
the Panhandle of Texas.

LAT...LON 3476 10032 3486 10044 3518 10010 3518 10004
      3514 10000 3492 10000
TIME...MOT...LOC 0616Z 222DEG 18KT 3501 10019 

$$

TXC087-310645-
/O.CON.KAMA.SV.W.0137.000000T0000Z-210531T0645Z/
Collingsworth TX-
116 AM CDT Mon May 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHEASTERN COLLINGSWORTH COUNTY...

At 116 AM CDT, a severe thunderstorm was located over Lutie, or 10
miles north of Wellington, moving northeast at 20 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...
Wellington and Lutie. 

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 3476 10032 3486 10044 3518 10010 3518 10004
      3514 10000 3492 10000
TIME...MOT...LOC 0616Z 222DEG 18KT 3501 10019 

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

DGW
405 
WWUS54 KAMA 310640
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
140 AM CDT Mon May 31 2021

TXC087-310650-
/O.EXP.KAMA.SV.W.0137.000000T0000Z-210531T0645Z/
Collingsworth TX-
140 AM CDT Mon May 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLLINGSWORTH
COUNTY WILL EXPIRE AT 145 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
the Panhandle of Texas.

LAT...LON 3476 10032 3486 10044 3518 10010 3518 10004
      3514 10000 3492 10000
TIME...MOT...LOC 0640Z 222DEG 18KT 3509 10010 

$$

DGW

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:22 PM CDTSevere Thunderstorm WarningAMAHartley, Moore, Oldham, Potter68 min
May 30, 7:29 PM CDTTornado WarningAMASherman46 min
May 30, 7:46 PM CDTSevere Thunderstorm WarningAMADallam, Sherman59 min
May 30, 8:14 PM CDTTornado WarningAMAHansford, Sherman46 min
May 30, 8:19 PM CDTAreal Flood AdvisoryAMASherman4 hr
May 30, 8:47 PM CDTSevere Thunderstorm WarningAMAHansford, Hutchinson, Moore, Ochiltree, Roberts, Sherman58 min
May 30, 9:19 PM CDTSpecial Weather StatementAMAMoore, Potter41 min
May 30, 9:24 PM CDTAreal Flood AdvisoryAMAHansford, Sherman3 hr
May 30, 9:31 PM CDTSpecial Weather StatementAMAOchiltree, Roberts44 min
May 30, 9:54 PM CDTSpecial Weather StatementAMAHutchinson, Potter36 min
May 30, 10:14 PM CDTSpecial Weather StatementAMAOchiltree, Roberts46 min
May 30, 10:27 PM CDTAreal Flood AdvisoryAMAPotter3 hr
May 30, 10:27 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Potter, Randall63 min
May 30, 10:30 PM CDTSpecial Weather StatementAMACarson, Hutchinson60 min
May 30, 10:35 PM CDTSpecial Weather StatementAMAGray25 min
May 30, 10:38 PM CDTTornado WarningAMACarson, Gray22 min
May 30, 10:53 PM CDTSpecial Weather StatementAMAHemphill, Lipscomb67 min
May 30, 10:57 PM CDTFlash Flood WarningAMAArmstrong, Carson, Potter, Randall4 hr
May 30, 11:32 PM CDTSpecial Weather StatementAMAGray28 min
May 31, 12:03 AM CDTSpecial Weather StatementAMAGray27 min
May 31, 12:04 AM CDTAreal Flood AdvisoryAMACarson, Gray, Hemphill, Roberts3 hr
May 31, 12:28 AM CDTSpecial Weather StatementAMACollingsworth32 min
May 31, 12:29 AM CDTAreal Flood AdvisoryAMAArmstrong, Carson, Randall12 min
May 31, 12:41 AM CDTFlash Flood WarningAMAArmstrong, Carson, Randall3 hr
May 31, 1:12 AM CDTAreal Flood AdvisoryAMAArmstrong, Collingsworth, Donley, Gray, Hemphill, Randall and 1 more3 hr
May 31, 1:28 AM CDTFlash Flood WarningAMADonley, Gray3 hr
May 31, 2:27 AM CDTFlash Flood WarningAMACollingsworth, Donley3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every 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.