Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Amarillo, TX

April 23, 2021Carson County, Gray County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 23, 2021, 5:28 PM CDT for Carson County, Gray County, Texas. It was in force for 62 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
Apr 23, 2021, 5:28 PM CDT (22:28 UTC)
Expired
Apr 23, 2021, 6:30 PM CDT
In force
62 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carson County, TX, Gray County, TX

The radar

The Amarillo radar (KAMA), 59 km from the middle of the area, began a volume at 22:30 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
Apr 23, 6:05 PM CDTHAIL 0.882 Nw White Deer, TXDIME TO NICKEL SIZED HAIL IN WHITE DEER.

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.5 hours before the alert went out and 59 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 12:00Z on 2021-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1968 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

105 
WUUS54 KAMA 232228
SVRAMA
TXC065-179-232330-
/O.NEW.KAMA.SV.W.0028.210423T2228Z-210423T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
528 PM CDT Fri Apr 23 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Carson County in the Panhandle of Texas...
  Northwestern Gray County in the Panhandle of Texas...

* Until 630 PM CDT.

* At 528 PM CDT, a severe thunderstorm was located 4 miles southwest
  of White Deer, or 9 miles east of Panhandle, 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...
  Pampa, White Deer and Kingsmill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3541 10133 3562 10105 3562 10097 3534 10072
      3528 10127
TIME...MOT...LOC 2228Z 244DEG 17KT 3537 10121 

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

DGW
3 follow-up statements
131 
WWUS54 KAMA 232253
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
553 PM CDT Fri Apr 23 2021

TXC065-179-232330-
/O.CON.KAMA.SV.W.0028.000000T0000Z-210423T2330Z/
Carson TX-Gray TX-
553 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL CARSON AND NORTHWESTERN GRAY COUNTIES...

At 553 PM CDT, a severe thunderstorm was located 4 miles south of
Kingsmill, or 10 miles southwest of Pampa, 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...
Pampa, White Deer and Kingsmill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3562 10105 3562 10097 3534 10072 3530 10107
      3543 10117 3544 10129
TIME...MOT...LOC 2253Z 244DEG 17KT 3542 10108 

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

DGW
134 
WWUS54 KAMA 232306
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
606 PM CDT Fri Apr 23 2021

TXC065-179-232330-
/O.CON.KAMA.SV.W.0028.000000T0000Z-210423T2330Z/
Carson TX-Gray TX-
606 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL CARSON AND NORTHWESTERN GRAY COUNTIES...

At 606 PM CDT, a severe thunderstorm was located near Kingsmill, or 7
miles south of Pampa, 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...
Pampa, White Deer and Kingsmill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3562 10105 3562 10097 3534 10072 3532 10090
      3541 10110 3542 10116 3543 10117 3544 10129
TIME...MOT...LOC 2306Z 244DEG 17KT 3545 10101 

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

DGW
731 
WWUS54 KAMA 232329 RRA
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
629 PM CDT Fri Apr 23 2021

TXC065-179-232339-
/O.EXP.KAMA.SV.W.0028.000000T0000Z-210423T2330Z/
Carson TX-Gray TX-
629 PM CDT Fri Apr 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CARSON AND
NORTHWESTERN GRAY COUNTIES WILL EXPIRE AT 630 PM 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. A Special Weather 
Statement has replaced this warning. 

LAT...LON 3562 10105 3562 10097 3534 10072 3532 10090
      3541 10110 3542 10116 3543 10117 3544 10129
TIME...MOT...LOC 2329Z 244DEG 17KT 3549 10090 

$$

DGW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 3:51 PM CDTSpecial Weather StatementAMAHartley24 min
Apr 23, 4:15 PM CDTSpecial Weather StatementAMAHartley30 min
Apr 23, 4:28 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley62 min
Apr 23, 4:48 PM CDTSpecial Weather StatementAMAHartley27 min
Apr 23, 4:54 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley66 min
Apr 23, 5:01 PM CDTSpecial Weather StatementAMACarson29 min
Apr 23, 5:19 PM CDTSpecial Weather StatementAMACarson26 min
Apr 23, 5:34 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Roberts56 min
Apr 23, 5:58 PM CDTSpecial Weather StatementAMADonley32 min
Apr 23, 6:24 PM CDTSpecial Weather StatementAMAGray36 min
Apr 23, 6:28 PM CDTSpecial Weather StatementAMAHutchinson32 min
Apr 23, 6:59 PM CDTSpecial Weather StatementAMAGray31 min

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.