Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS Amarillo, TX

March 16, 2021Collingsworth County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 16, 2021, 8:02 PM CDT for Collingsworth County, Texas. It was in force for 33 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
Mar 16, 2021, 8:02 PM CDT (01:02 UTC)
Expired
Mar 16, 2021, 8:35 PM CDT
In force
33 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.5 in
Wind
70.0 mph

County Collingsworth County, TX

The radar

The Altus AFB radar (KFDR), 125 km from the middle of the area, began a volume at 01:02 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
Mar 16, 8:02 PM CDTHAIL 1.251 E Wellington, 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.

IssuedProductOfficeLasted
Mar 16, 7:49 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 145 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 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 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 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897117Sfc1 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
127 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
3287 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

477 
WUUS54 KAMA 170102
SVRAMA
TXC087-170200-
/O.NEW.KAMA.SV.W.0017.210317T0102Z-210317T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
802 PM CDT Tue Mar 16 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Eastern Collingsworth County in the Panhandle of Texas...

* Until 900 PM CDT.

* At 802 PM CDT, a severe thunderstorm was located over Wellington,
  moving north at 40 mph.

  HAZARD...70 mph wind gusts and ping pong ball size hail.

  SOURCE...Public.

  IMPACT...Expect some tree damage. Damage is likely to mobile 
           homes, roofs, and outbuildings. People and animals 
           outdoors will be injured. Expect hail damage to roofs, 
           siding, windows, and vehicles.

* Locations impacted include...
  Wellington, Samnorwood and Lutie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10015 3475 10035 3518 10027 3516 10000
      3498 10000
TIME...MOT...LOC 0102Z 201DEG 34KT 3486 10021 

HAIL...1.50IN
WIND...70MPH
 
$$

TLH
5 follow-up statements
095 
WWUS54 KAMA 170109
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
809 PM CDT Tue Mar 16 2021

TXC087-170200-
/O.CON.KAMA.SV.W.0017.000000T0000Z-210317T0200Z/
Collingsworth TX-
809 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR EASTERN COLLINGSWORTH COUNTY...

At 809 PM CDT, a severe thunderstorm was located 7 miles southeast of
Lutie, or 10 miles northeast of Wellington, moving northeast at 75
mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Public.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. People and animals outdoors will 
         be injured. Expect hail damage to roofs, siding, windows, 
         and vehicles.

Locations impacted include...
Wellington, Samnorwood and Lutie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10015 3475 10035 3518 10027 3516 10000
      3498 10000
TIME...MOT...LOC 0109Z 219DEG 67KT 3497 10010 

HAIL...1.75IN
WIND...70MPH
 
$$

TLH
431 
WWUS54 KAMA 170114
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
814 PM CDT Tue Mar 16 2021

TXC087-170200-
/O.CON.KAMA.SV.W.0017.000000T0000Z-210317T0200Z/
Collingsworth TX-
814 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR EASTERN COLLINGSWORTH COUNTY...

At 814 PM CDT, a severe thunderstorm was located 8 miles east of
Lutie, or 14 miles northeast of Wellington, moving northeast at 55
mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Public.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. People and animals outdoors will 
         be injured. Expect hail damage to roofs, siding, windows, 
         and vehicles.

Locations impacted include...
Lutie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3483 10010 3491 10026 3518 10027 3516 10000
      3498 10000
TIME...MOT...LOC 0114Z 214DEG 50KT 3502 10007 

HAIL...1.75IN
WIND...70MPH
 
$$

TLH
243 
WWUS54 KAMA 170120
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
820 PM CDT Tue Mar 16 2021

TXC087-170200-
/O.CON.KAMA.SV.W.0017.000000T0000Z-210317T0200Z/
Collingsworth TX-
820 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN COLLINGSWORTH COUNTY...

At 819 PM CDT, a severe thunderstorm was located 8 miles south of
Texola, or 14 miles southeast of Shamrock, moving northeast at 60
mph.

HAZARD...70 mph wind gusts and half dollar 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.

This severe thunderstorm will remain over mainly rural areas of
northeastern Collingsworth County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3488 10007 3492 10022 3518 10021 3516 10000
      3498 10000
TIME...MOT...LOC 0119Z 207DEG 54KT 3510 10003 

HAIL...1.25IN
WIND...70MPH
 
$$

TLH
672 
WWUS54 KAMA 170129
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
829 PM CDT Tue Mar 16 2021

TXC087-170200-
/O.CON.KAMA.SV.W.0017.000000T0000Z-210317T0200Z/
Collingsworth TX-
829 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN COLLINGSWORTH COUNTY...

At 828 PM CDT, a severe thunderstorm was located over Texola, or 15
miles east of Shamrock, moving northeast at 50 mph.

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

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
northeastern Collingsworth County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3503 10014 3517 10015 3516 10000 3498 10000
TIME...MOT...LOC 0128Z 205DEG 45KT 3520 9998 

HAIL...0.75IN
WIND...60MPH
 
$$

TLH
148 
WWUS54 KAMA 170135
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
835 PM CDT Tue Mar 16 2021

TXC087-170145-
/O.CAN.KAMA.SV.W.0017.000000T0000Z-210317T0200Z/
Collingsworth TX-
835 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COLLINGSWORTH
COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3503 10014 3517 10015 3516 10000 3498 10000
TIME...MOT...LOC 0131Z 201DEG 34KT 3526 9995 

$$

TLH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 8:01 PM CDTSpecial Weather StatementAMACollingsworth44 min
Mar 16, 8:17 PM CDTSpecial Weather StatementAMARoberts43 min
Mar 16, 8:26 PM CDTSpecial Weather StatementAMARoberts34 min
Mar 16, 8:33 PM CDTSpecial Weather StatementAMAWheeler27 min
Mar 16, 8:49 PM CDTSevere Thunderstorm WarningAMAHemphill, Roberts41 min
Mar 16, 9:12 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb48 min
Mar 16, 9:27 PM CDTSevere Thunderstorm WarningAMALipscomb63 min
Mar 16, 9:32 PM CDTSevere Thunderstorm WarningAMALipscomb58 min
Mar 16, 9:35 PM CDTSpecial Weather StatementAMAHutchinson, Roberts40 min
Mar 16, 9:43 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Ochiltree, Potter, Roberts62 min
Mar 16, 10:43 PM CDTAreal Flood AdvisoryAMAHemphill, Hutchinson, Lipscomb, Ochiltree, Roberts4 hr
Mar 16, 10:47 PM CDTSpecial Weather StatementAMAHutchinson43 min
Mar 16, 10:54 PM CDTSpecial Weather StatementAMAGray, Roberts36 min
Mar 16, 11:01 PM CDTSevere Thunderstorm WarningAMACarson, Gray, Hemphill, Hutchinson, Ochiltree, Roberts and 1 more59 min
Mar 16, 11:03 PM CDTSpecial Weather StatementAMALipscomb27 min
Mar 16, 11:08 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree, Roberts67 min
Mar 16, 11:20 PM CDTAreal Flood AdvisoryAMAGray, Hemphill, Lipscomb, Roberts, Wheeler5 hr
Mar 16, 11:53 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree, Roberts52 min
Mar 17, 3:16 AM CDTHigh Wind WarningAMACollingsworth, Donley, Wheeler15 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.