Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 244, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 7, 2021, 10:46 PM CDT for 4 counties in Texas. It was in force for 59 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
- Aug 7, 2021, 10:46 PM CDT (03:46 UTC)
- Expired
- Aug 7, 2021, 11:45 PM CDT
- In force
- 59 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Carson County, TX, Gray County, TX, Hutchinson County, TX, Roberts County, TX
The radar
The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 03:50 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 11:30 PM CDT | HAIL 1 | 6 N Pampa, TX | REPORT RECEIVED FROM SOCIAL MEDIA. HAIL LASTED ABOUT 20 SECONDS. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 7, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.8 hours before the alert went out and 91 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.
- Mixed-layer CAPE
- 2016 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 2104 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
139
WUUS54 KAMA 080346
SVRAMA
TXC065-179-233-393-080445-
/O.NEW.KAMA.SV.W.0244.210808T0346Z-210808T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1046 PM CDT Sat Aug 7 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Northeastern Carson County in the Panhandle of Texas...
Southeastern Hutchinson County in the Panhandle of Texas...
Northern Gray County in the Panhandle of Texas...
Southern Roberts County in the Panhandle of Texas...
* Until 1145 PM CDT.
* At 1046 PM CDT, a severe thunderstorm was located 5 miles north of
Skellytown, or 12 miles east of Borger, moving east at 30 mph.
HAZARD...70 mph wind gusts and quarter 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.
* Locations impacted include...
Pampa, Miami, Lefors, Skellytown, Lora, Kingsmill and Codman.
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 3535 10057 3555 10132 3579 10124 3580 10054
3570 10054
TIME...MOT...LOC 0346Z 279DEG 28KT 3566 10119
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Ward3 follow-up statements
799
WWUS54 KAMA 080350
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1050 PM CDT Sat Aug 7 2021
TXC065-179-233-393-080445-
/O.CON.KAMA.SV.W.0244.000000T0000Z-210808T0445Z/
Carson TX-Hutchinson TX-Gray TX-Roberts TX-
1050 PM CDT Sat Aug 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR NORTHEASTERN CARSON...SOUTHEASTERN HUTCHINSON...NORTHERN GRAY AND
SOUTHERN ROBERTS COUNTIES...
At 1050 PM CDT, automated weather equipment reported a severe
thunderstorm was located 5 miles north of Skellytown, or 12 miles
northwest of Pampa, moving east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Automated weather equipment.
IMPACT...Expect some tree damage. Damage is likely to mobile homes,
roofs, and outbuildings. Hail damage to vehicles is
expected.
Locations impacted include...
Pampa, Miami, Lefors, Skellytown, Lora, Kingsmill and Codman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3535 10057 3555 10132 3579 10124 3580 10054
3570 10054
TIME...MOT...LOC 0350Z 279DEG 28KT 3565 10115
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Ward576
WWUS54 KAMA 080421
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1121 PM CDT Sat Aug 7 2021
TXC065-233-080431-
/O.CAN.KAMA.SV.W.0244.000000T0000Z-210808T0445Z/
Carson TX-Hutchinson TX-
1121 PM CDT Sat Aug 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARSON AND
SOUTHEASTERN HUTCHINSON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3535 10057 3549 10109 3579 10109 3580 10054
3570 10054
TIME...MOT...LOC 0421Z 279DEG 23KT 3562 10095
$$
TXC179-393-080445-
/O.CON.KAMA.SV.W.0244.000000T0000Z-210808T0445Z/
Gray TX-Roberts TX-
1121 PM CDT Sat Aug 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR NORTHERN GRAY AND SOUTHERN ROBERTS COUNTIES...
At 1121 PM CDT, a severe thunderstorm was located 5 miles north of
Pampa, moving east at 25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Expect some tree damage. Damage is likely to mobile homes,
roofs, and outbuildings. Hail damage to vehicles is
expected.
Locations impacted include...
Pampa, Miami, Lefors, Kingsmill, Codman and Lora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3535 10057 3549 10109 3579 10109 3580 10054
3570 10054
TIME...MOT...LOC 0421Z 279DEG 23KT 3562 10095
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Ferguson659
WWUS54 KAMA 080445
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1145 PM CDT Sat Aug 7 2021
TXC179-393-080453-
/O.EXP.KAMA.SV.W.0244.000000T0000Z-210808T0445Z/
Gray TX-Roberts TX-
1145 PM CDT Sat Aug 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GRAY AND SOUTHERN
ROBERTS COUNTIES WILL EXPIRE AT 1145 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. However small
hail and gusty winds are still possible with this thunderstorm.
LAT...LON 3535 10057 3549 10109 3579 10109 3580 10054
3570 10054
TIME...MOT...LOC 0443Z 279DEG 28KT 3560 10079
$$
FergusonThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:04 PM CDT | Severe Thunderstorm Warning | AMA | Potter, Randall | 56 min |
| Aug 7, 7:16 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Sherman | 44 min |
| Aug 7, 7:31 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson | 33 min |
| Aug 7, 7:46 PM CDT | Special Weather Statement | AMA | Hansford, Sherman | 29 min |
| Aug 7, 8:00 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Lipscomb, Ochiltree, Sherman | 60 min |
| Aug 7, 8:02 PM CDT | Special Weather Statement | AMA | Moore | 28 min |
| Aug 7, 8:57 PM CDT | Special Weather Statement | AMA | Ochiltree | 63 min |
| Aug 7, 9:50 PM CDT | Special Weather Statement | AMA | Hutchinson | 55 min |
| Aug 7, 9:53 PM CDT | Severe Thunderstorm Warning | AMA | Hartley | 26 min |
| Aug 7, 10:09 PM CDT | Special Weather Statement | AMA | Lipscomb | 36 min |
| Aug 7, 10:22 PM CDT | Special Weather Statement | AMA | Moore | 38 min |
| Aug 7, 10:42 PM CDT | Special Weather Statement | AMA | Gray | 63 min |
| Aug 7, 11:24 PM CDT | Special Weather Statement | AMA | Hansford, Hutchinson | 36 min |
| Aug 7, 11:42 PM CDT | Special Weather Statement | AMA | Gray | 33 min |
| Aug 8, 12:06 AM CDT | Special Weather Statement | AMA | Carson, Roberts | 24 min |
| Aug 8, 12:29 AM CDT | Special Weather Statement | AMA | Hemphill | 46 min |
| Aug 8, 12:51 AM CDT | Special Weather Statement | AMA | Gray | 24 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.