Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Amarillo, TX

May 18, 2021Carson County, Hutchinson County, Roberts County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 18, 2021, 7:30 PM CDT for Carson County, Hutchinson County, Roberts County, Texas. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 18, 2021, 7:30 PM CDT (00:30 UTC)
Expired
May 18, 2021, 9:00 PM CDT
In force
90 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carson County, TX, Hutchinson County, TX, Roberts County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 00:33 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.

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 247 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, Dodge City, at 00:00Z on 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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, Dodge City, at 00:00Z on 2021-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.19395878Sfc1 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
93 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1281 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

803 
WUUS54 KAMA 190030
SVRAMA
TXC065-233-393-190200-
/O.NEW.KAMA.SV.W.0097.210519T0030Z-210519T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
730 PM CDT Tue May 18 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Carson County in the Panhandle of Texas...
  Hutchinson County in the Panhandle of Texas...
  Western Roberts County in the Panhandle of Texas...

* Until 900 PM CDT.

* At 730 PM CDT, a severe thunderstorm was located 6 miles west of
  Skellytown, or 8 miles southeast of Borger, 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...
  Borger, Stinnett, Skellytown and Pringle. 

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 3594 10070 3562 10106 3562 10109 3559 10108
      3547 10122 3556 10142 3605 10159 3606 10093
TIME...MOT...LOC 0030Z 206DEG 16KT 3560 10128 

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

LG
4 follow-up statements
853 
WWUS54 KAMA 190052
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
752 PM CDT Tue May 18 2021

TXC065-233-393-190200-
/O.CON.KAMA.SV.W.0097.000000T0000Z-210519T0200Z/
Carson TX-Hutchinson TX-Roberts TX-
752 PM CDT Tue May 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN CARSON...HUTCHINSON AND WESTERN ROBERTS COUNTIES...

At 752 PM CDT, a severe thunderstorm was located 8 miles north of
Skellytown, or 9 miles east of Borger, 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...
Borger, Stinnett, Skellytown and Pringle. 

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 3594 10070 3562 10106 3562 10109 3559 10108
      3547 10122 3556 10142 3605 10159 3606 10093
TIME...MOT...LOC 0052Z 206DEG 16KT 3569 10123 

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

LG
759 
WWUS54 KAMA 190103
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
803 PM CDT Tue May 18 2021

TXC065-233-393-190200-
/O.CON.KAMA.SV.W.0097.000000T0000Z-210519T0200Z/
Carson TX-Hutchinson TX-Roberts TX-
803 PM CDT Tue May 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN CARSON...HUTCHINSON AND WESTERN ROBERTS COUNTIES...

At 803 PM CDT, a severe thunderstorm was located 11 miles north of
Skellytown, or 12 miles northeast of Borger, 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...
Borger, Stinnett, Skellytown and Pringle. 

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 3594 10070 3562 10106 3562 10109 3559 10108
      3547 10122 3556 10142 3605 10159 3606 10093
TIME...MOT...LOC 0103Z 206DEG 16KT 3574 10120 

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

LG
145 
WWUS54 KAMA 190117
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
817 PM CDT Tue May 18 2021

TXC065-233-393-190200-
/O.CON.KAMA.SV.W.0097.000000T0000Z-210519T0200Z/
Carson TX-Hutchinson TX-Roberts TX-
817 PM CDT Tue May 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN CARSON...HUTCHINSON AND WESTERN ROBERTS COUNTIES...

At 817 PM CDT, a severe thunderstorm was located 7 miles west of
Skellytown, or 9 miles southeast of Borger, moving north 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...
Borger, Stinnett, Skellytown and Pringle. 

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 3594 10070 3562 10106 3562 10109 3559 10108
      3547 10122 3556 10142 3605 10159 3606 10093
TIME...MOT...LOC 0117Z 202DEG 18KT 3555 10130 

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

LG
021 
WWUS54 KAMA 190152
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
852 PM CDT Tue May 18 2021

TXC065-233-393-190202-
/O.EXP.KAMA.SV.W.0097.000000T0000Z-210519T0200Z/
Carson TX-Hutchinson TX-Roberts TX-
852 PM CDT Tue May 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARSON...
HUTCHINSON AND WESTERN ROBERTS COUNTIES WILL EXPIRE AT 900 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.

LAT...LON 3594 10070 3562 10106 3562 10109 3559 10108
      3547 10122 3556 10142 3605 10159 3606 10093
TIME...MOT...LOC 0152Z 213DEG 17KT 3566 10116 

$$

LG

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 7:20 PM CDTSpecial Weather StatementAMAHutchinson25 min
May 18, 9:07 PM CDTSpecial Weather StatementAMACollingsworth, Gray, Wheeler68 min
May 19, 4:35 PM CDTSpecial Weather StatementAMAGray55 min
May 19, 4:45 PM CDTSpecial Weather StatementAMARoberts60 min
May 19, 4:47 PM CDTSpecial Weather StatementAMAHansford58 min
May 19, 5:16 PM CDTSpecial Weather StatementAMADonley29 min
May 19, 5:46 PM CDTSpecial Weather StatementAMADonley29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.