Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 270, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Sep 7, 2021, 10:13 PM CDT for Collingsworth County, Texas. It was in force for 47 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
- Sep 7, 2021, 10:13 PM CDT (03:13 UTC)
- Expired
- Sep 7, 2021, 11:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Collingsworth County, TX
The radar
The Amarillo radar (KAMA), 130 km from the middle of the area, began a volume at 03:15 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.2 hours before the alert went out and 129 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
- 727 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 3091 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
920
WUUS54 KAMA 080313
SVRAMA
TXC087-080400-
/O.NEW.KAMA.SV.W.0270.210908T0313Z-210908T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1013 PM CDT Tue Sep 7 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Southern Collingsworth County in the Panhandle of Texas...
* Until 1100 PM CDT.
* At 1012 PM CDT, a severe thunderstorm was located 6 miles southwest
of Lutie, or 9 miles northwest of Wellington, moving south 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...
Wellington, Quail and Lutie.
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 3497 10052 3505 10010 3475 10004 3475 10054
TIME...MOT...LOC 0312Z 355DEG 17KT 3496 10031
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
LFM3 follow-up statements
778
WWUS54 KAMA 080328
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1028 PM CDT Tue Sep 7 2021
TXC087-080400-
/O.CON.KAMA.SV.W.0270.000000T0000Z-210908T0400Z/
Collingsworth TX-
1028 PM CDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SOUTHERN COLLINGSWORTH COUNTY...
At 1027 PM CDT, a severe thunderstorm was located 5 miles northwest
of Wellington, moving south at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
Locations impacted include...
Wellington and Quail.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3491 10053 3494 10008 3475 10004 3475 10054
TIME...MOT...LOC 0327Z 355DEG 17KT 3488 10030
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
LFM952 WWUS54 KAMA 080336 SVSAMA Severe Weather Statement National Weather Service Amarillo TX 1036 PM CDT Tue Sep 7 2021 TXC087-080400- /O.CON.KAMA.SV.W.0270.000000T0000Z-210908T0400Z/ Collingsworth TX- 1036 PM CDT Tue Sep 7 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHEASTERN COLLINGSWORTH COUNTY... At 1036 PM CDT, a severe thunderstorm was located 4 miles southwest of Wellington, moving south at 20 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to roofs, siding, and trees is possible. Locations impacted include... Wellington. 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 3485 10038 3486 10008 3475 10007 3475 10051 TIME...MOT...LOC 0336Z 014DEG 17KT 3482 10028 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ LFM
925
WWUS54 KAMA 080351
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1051 PM CDT Tue Sep 7 2021
TXC087-080401-
/O.EXP.KAMA.SV.W.0270.000000T0000Z-210908T0400Z/
Collingsworth TX-
1051 PM CDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLLINGSWORTH
COUNTY WILL EXPIRE AT 1100 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds and heavy rain are still
possible with this thunderstorm.
LAT...LON 3485 10038 3486 10008 3475 10007 3475 10051
TIME...MOT...LOC 0351Z 355DEG 17KT 3475 10027
$$
LFMThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 9:36 PM CDT | Special Weather Statement | AMA | Collingsworth | 24 min |
| Sep 7, 10:00 PM CDT | Special Weather Statement | AMA | Collingsworth | 45 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.