Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 152, NWS Amarillo, TX

June 13, 20219 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 13, 2021, 1:56 AM CDT for 9 counties in Texas. It was in force for 64 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
Jun 13, 2021, 1:56 AM CDT (06:56 UTC)
Expired
Jun 13, 2021, 3:00 AM CDT
In force
64 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Armstrong County, TX, Carson County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 68 km from the middle of the area, began a volume at 06:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 9:39 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.9 hours before the alert went out and 67 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 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3697 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 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
3697 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
1.9
Supercell composite
18.7

Open this sounding in Storm Lab

The text

As transmitted.

345 
WUUS54 KAMA 130656
SVRAMA
TXC011-065-129-179-211-233-381-393-483-130800-
/O.NEW.KAMA.SV.W.0152.210613T0656Z-210613T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
156 AM CDT Sun Jun 13 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wheeler County in the Panhandle of Texas...
  Armstrong County in the Panhandle of Texas...
  East central Randall County in the Panhandle of Texas...
  Carson County in the Panhandle of Texas...
  Southeastern Hutchinson County in the Panhandle of Texas...
  Gray County in the Panhandle of Texas...
  Southern Roberts County in the Panhandle of Texas...
  Southwestern Hemphill County in the Panhandle of Texas...
  Donley County in the Panhandle of Texas...

* Until 300 AM CDT.

* At 155 AM CDT, severe thunderstorms were located along a line
  extending from 5 miles northwest of Pampa to 5 miles west of
  Claude, moving east at 40 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, Panhandle, Clarendon, Claude, Miami, White Deer, Mclean,
  Groom, Lefors, Skellytown, Howardwick, New Mobeetie, Lake
  Mcclellan, Washburn, Kellerville, Goodnight, Kingsmill, Alanreed,
  Codman and Greenbelt Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3573 10023 3480 10085 3486 10157 3502 10171
      3574 10123
TIME...MOT...LOC 0655Z 268DEG 36KT 3559 10105 3510 10146 

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

Beat
2 follow-up statements
500 
WWUS54 KAMA 130726
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
226 AM CDT Sun Jun 13 2021

TXC233-381-130736-
/O.CAN.KAMA.SV.W.0152.000000T0000Z-210613T0800Z/
Randall TX-Hutchinson TX-
226 AM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL RANDALL AND
SOUTHEASTERN HUTCHINSON COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.

LAT...LON 3573 10023 3480 10085 3491 10129 3509 10150
      3574 10098
TIME...MOT...LOC 0726Z 272DEG 33KT 3560 10068 3503 10121 

$$

TXC011-065-129-179-211-393-483-130800-
/O.CON.KAMA.SV.W.0152.000000T0000Z-210613T0800Z/
Wheeler TX-Armstrong TX-Carson TX-Gray TX-Roberts TX-Hemphill TX-
Donley TX-
226 AM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR NORTHWESTERN WHEELER...NORTHEASTERN ARMSTRONG...SOUTHEASTERN
CARSON...GRAY...SOUTHERN ROBERTS...SOUTHWESTERN HEMPHILL AND DONLEY
COUNTIES...

At 226 AM CDT, severe thunderstorms were located along a line
extending from 5 miles southeast of Codman to Goodnight, moving east
at 35 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, Clarendon, Claude, Miami, White Deer, Mclean, Groom, Lefors,
Howardwick, New Mobeetie, Lake Mcclellan, Kellerville, Goodnight,
Kingsmill, Alanreed, Codman, Greenbelt Lake and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3573 10023 3480 10085 3491 10129 3509 10150
      3574 10098
TIME...MOT...LOC 0726Z 272DEG 33KT 3560 10068 3503 10121 

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

Beat
669 
WWUS54 KAMA 130754
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
254 AM CDT Sun Jun 13 2021

TXC011-065-129-179-211-393-483-130804-
/O.EXP.KAMA.SV.W.0152.000000T0000Z-210613T0800Z/
Wheeler TX-Armstrong TX-Carson TX-Gray TX-Roberts TX-Hemphill TX-
Donley TX-
254 AM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WHEELER...
NORTHEASTERN ARMSTRONG...SOUTHEASTERN CARSON...GRAY...SOUTHERN
ROBERTS...SOUTHWESTERN HEMPHILL AND DONLEY COUNTIES WILL EXPIRE AT
300 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.

LAT...LON 3573 10023 3480 10085 3491 10129 3509 10150
      3574 10098
TIME...MOT...LOC 0754Z 268DEG 36KT 3560 10045 3504 10098 

$$

Beat

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:02 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham73 min
Jun 12, 10:28 PM CDTSpecial Weather StatementAMADallam32 min
Jun 12, 10:32 PM CDTSevere Thunderstorm WarningAMADallam, Sherman58 min
Jun 12, 11:01 PM CDTSevere Thunderstorm WarningAMADallam, Hansford, Hartley, Moore, Sherman74 min
Jun 12, 11:07 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Hartley, Oldham83 min
Jun 12, 11:46 PM CDTSevere Thunderstorm WarningAMADallam, Hansford, Hartley, Hutchinson, Moore, Oldham and 2 more59 min
Jun 12, 11:51 PM CDTSpecial Weather StatementAMADeaf Smith24 min
Jun 13, 12:15 AM CDTAreal Flood WarningAMADallam, Hartley, Moore, Oldham, Potter, Sherman2 hr
Jun 13, 12:22 AM CDTSpecial Weather StatementAMARandall23 min
Jun 13, 12:28 AM CDTSpecial Weather StatementAMADeaf Smith32 min
Jun 13, 12:42 AM CDTSevere Thunderstorm WarningAMACarson, Hansford, Hartley, Hutchinson, Moore, Ochiltree and 4 more63 min
Jun 13, 1:15 AM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Gray, Hutchinson, Potter, Randall and 1 more45 min
Jun 13, 1:28 AM CDTAreal Flood AdvisoryAMAArmstrong, Carson, Hutchinson2 hr
Jun 13, 2:37 AM CDTSpecial Weather StatementAMASherman23 min
Jun 13, 2:56 AM CDTSpecial Weather StatementAMADonley34 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.