Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 12, 2021, 6:11 PM CST for Deaf Smith County, Oldham County, Texas. It was in force for 36 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
- Mar 12, 2021, 6:11 PM CST (00:11 UTC)
- Expired
- Mar 12, 2021, 6:47 PM CST
- In force
- 36 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Deaf Smith County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 82 km from the middle of the area, began a volume at 00:14 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 12, 3:24 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.2 hours before the alert went out and 83 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 384 m²/s²
- 0-3 km storm-relative helicity
- 512 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
123
WUUS54 KAMA 130011
SVRAMA
TXC117-359-130115-
/O.NEW.KAMA.SV.W.0001.210313T0011Z-210313T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
611 PM CST Fri Mar 12 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Oldham County in the Panhandle of Texas...
North central Deaf Smith County in the Panhandle of Texas...
* Until 715 PM CST.
* At 610 PM CST, a severe thunderstorm was located over Adrian, or 16
miles west of Vega, moving northeast at 25 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...
Vega, Adrian and Wildorado.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3563 10252 3563 10249 3523 10217 3511 10285
3526 10295
TIME...MOT...LOC 0010Z 233DEG 23KT 3527 10271
HAIL...1.00IN
WIND...60MPH
$$
Bieda4 follow-up statements
322
WWUS54 KAMA 130019
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
619 PM CST Fri Mar 12 2021
TXC117-130029-
/O.CAN.KAMA.SV.W.0001.000000T0000Z-210313T0115Z/
Deaf Smith TX-
619 PM CST Fri Mar 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DEAF SMITH
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.
LAT...LON 3533 10286 3563 10253 3562 10249 3523 10217
3519 10258 3518 10274
TIME...MOT...LOC 0019Z 233DEG 23KT 3530 10265
$$
TXC359-130115-
/O.CON.KAMA.SV.W.0001.000000T0000Z-210313T0115Z/
Oldham TX-
619 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR CENTRAL OLDHAM COUNTY...
At 619 PM CST, a severe thunderstorm was located over Adrian, or 13
miles west of Vega, moving northeast at 25 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...
Vega and Adrian.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.
LAT...LON 3533 10286 3563 10253 3562 10249 3523 10217
3519 10258 3518 10274
TIME...MOT...LOC 0019Z 233DEG 23KT 3530 10265
HAIL...1.00IN
WIND...60MPH
$$
Bieda488
WWUS54 KAMA 130028
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
628 PM CST Fri Mar 12 2021
TXC359-130115-
/O.CON.KAMA.SV.W.0001.000000T0000Z-210313T0115Z/
Oldham TX-
628 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR CENTRAL OLDHAM COUNTY...
At 628 PM CST, a severe thunderstorm was located 5 miles northeast of
Adrian, or 11 miles northwest of Vega, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
Locations impacted include...
Vega and Adrian.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.
LAT...LON 3539 10279 3563 10253 3562 10249 3523 10217
3519 10258 3518 10270
TIME...MOT...LOC 0028Z 233DEG 23KT 3534 10259
HAIL...1.00IN
WIND...60MPH
$$
Bieda786
WWUS54 KAMA 130039
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
639 PM CST Fri Mar 12 2021
TXC359-130115-
/O.CON.KAMA.SV.W.0001.000000T0000Z-210313T0115Z/
Oldham TX-
639 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR CENTRAL OLDHAM COUNTY...
At 639 PM CST, a severe thunderstorm was located 10 miles northwest
of Vega, moving northeast at 25 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...
Vega.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3563 10253 3562 10249 3523 10217 3519 10257
3545 10273
TIME...MOT...LOC 0039Z 233DEG 23KT 3538 10252
HAIL...1.00IN
WIND...60MPH
$$
Bieda669
WWUS54 KAMA 130047
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
647 PM CST Fri Mar 12 2021
TXC359-130055-
/O.CAN.KAMA.SV.W.0001.000000T0000Z-210313T0115Z/
Oldham TX-
647 PM CST Fri Mar 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OLDHAM COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail is
still possible with this thunderstorm.
LAT...LON 3563 10253 3562 10249 3523 10217 3519 10257
3545 10273
TIME...MOT...LOC 0036Z 233DEG 23KT 3540 10248
$$
BiedaThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 6:24 PM CST | Special Weather Statement | AMA | Deaf Smith | 51 min |
| Mar 12, 7:02 PM CST | Dense Fog Advisory | AMA | Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 9 more | 16 hr |
| Mar 12, 7:11 PM CST | Special Weather Statement | AMA | Moore | 34 min |
| Mar 12, 7:12 PM CST | Special Weather Statement | AMA | Oldham | 48 min |
| Mar 12, 7:39 PM CST | Severe Thunderstorm Warning | AMA | Carson, Hutchinson, Moore, Potter | 66 min |
| Mar 12, 7:57 PM CST | Special Weather Statement | AMA | Oldham | 48 min |
| Mar 12, 7:58 PM CST | Special Weather Statement | AMA | Potter | 47 min |
| Mar 12, 8:20 PM CST | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Roberts | 55 min |
| Mar 12, 8:39 PM CST | Special Weather Statement | AMA | Potter | 36 min |
| Mar 12, 9:11 PM CST | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Potter, Roberts | 79 min |
| Mar 12, 9:14 PM CST | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Roberts | 19 min |
| Mar 12, 10:09 PM CST | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Roberts, Wheeler | 29 min |
| Mar 13, 7:41 AM CST | Special Weather Statement | AMA | Oldham | 34 min |
| Mar 13, 7:50 AM CST | Special Weather Statement | AMA | Moore | 25 min |
| Mar 13, 7:54 AM CST | Severe Thunderstorm Warning | AMA | Hartley, Moore, Sherman | 31 min |
| Mar 13, 8:26 AM CST | Special Weather Statement | AMA | Sherman | 34 min |
| Mar 13, 8:31 AM CST | Severe Thunderstorm Warning | AMA | Moore | 33 min |
| Mar 13, 1:18 PM CST | Special Weather Statement | AMA | Oldham | 27 min |
| Mar 13, 1:45 PM CST | Special Weather Statement | AMA | Hartley | 30 min |
| Mar 13, 1:54 PM CST | Severe Thunderstorm Warning | AMA | Deaf Smith, Hartley, Oldham | 51 min |
| Mar 13, 2:24 PM CST | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 66 min |
| Mar 13, 2:42 PM CST | Tornado Warning | AMA | Dallam, Hartley, Moore | 33 min |
| Mar 13, 3:12 PM CST | Severe Thunderstorm Warning | AMA | Armstrong, Randall | 63 min |
| Mar 13, 3:14 PM CST | Special Weather Statement | AMA | Sherman | 31 min |
| Mar 13, 3:21 PM CST | Tornado Warning | AMA | Randall | 39 min |
| Mar 13, 3:30 PM CST | Severe Thunderstorm Warning | AMA | Hartley, Moore, Oldham, Potter | 60 min |
| Mar 13, 3:34 PM CST | Tornado Warning | AMA | Sherman | 26 min |
| Mar 13, 3:34 PM CST | Tornado Warning | AMA | Moore | 26 min |
| Mar 13, 3:50 PM CST | Tornado Warning | AMA | Armstrong, Randall | 40 min |
| Mar 13, 4:00 PM CST | Tornado Warning | AMA | Armstrong, Randall | 45 min |
| Mar 13, 4:21 PM CST | Tornado Warning | AMA | Armstrong, Carson | 39 min |
| Mar 13, 4:30 PM CST | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson, Moore, Sherman | 60 min |
| Mar 13, 4:42 PM CST | Tornado Warning | AMA | Armstrong, Carson, Donley, Gray | 48 min |
| Mar 13, 4:52 PM CST | Tornado Warning | AMA | Carson, Gray | 38 min |
| Mar 13, 5:14 PM CST | Tornado Warning | AMA | Armstrong, Donley | 46 min |
| Mar 13, 5:29 PM CST | Special Weather Statement | AMA | Gray | 31 min |
| Mar 13, 5:30 PM CST | Special Weather Statement | AMA | Carson | 30 min |
| Mar 13, 5:43 PM CST | Tornado Warning | AMA | Donley | 47 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.