Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 12, 2021, 8:20 PM CST for 4 counties in Texas. It was in force for 55 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
- Mar 12, 2021, 8:20 PM CST (02:20 UTC)
- Expired
- Mar 12, 2021, 9:15 PM CST
- In force
- 55 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Carson County, TX, Gray County, TX, Hutchinson County, TX, Roberts County, TX
The radar
The Amarillo radar (KAMA), 83 km from the middle of the area, began a volume at 02:21 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 |
|---|---|---|---|
| Mar 12, 8:25 PM CST | HAIL 1.25 | 3 N Borger, TX | SOME HAIL WAS ACCUMULATING ON THE GROUND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.3 hours before the alert went out and 82 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.
101
WUUS54 KAMA 130220
SVRAMA
TXC065-179-233-393-130315-
/O.NEW.KAMA.SV.W.0003.210313T0220Z-210313T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
820 PM CST Fri Mar 12 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Northern Carson County in the Panhandle of Texas...
Southern Hutchinson County in the Panhandle of Texas...
Northern Gray County in the Panhandle of Texas...
Roberts County in the Panhandle of Texas...
* Until 915 PM CST.
* At 819 PM CST, a severe thunderstorm was located 4 miles northeast
of Borger, moving east at 40 mph.
HAZARD...Half dollar size hail.
SOURCE...Trained weather spotters. Between 8:02 PM and 8:12 PM
CST, reports of quarter to half-dollar were received.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Pampa, Borger, Miami, Fritch, Stinnett, Skellytown, Sanford 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 3548 10057 3557 10156 3573 10162 3577 10162
3606 10068 3606 10064
TIME...MOT...LOC 0219Z 256DEG 36KT 3570 10133
HAIL...1.25IN
WIND...<50MPH
$$
Bieda2 follow-up statements
956
WWUS54 KAMA 130237
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
837 PM CST Fri Mar 12 2021
TXC065-179-233-393-130315-
/O.CON.KAMA.SV.W.0003.000000T0000Z-210313T0315Z/
Carson TX-Hutchinson TX-Gray TX-Roberts TX-
837 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR NORTHEASTERN CARSON...SOUTHEASTERN HUTCHINSON...NORTHERN GRAY AND
ROBERTS COUNTIES...
At 837 PM CST, a severe thunderstorm was located 9 miles north of
Skellytown, or 14 miles east of Borger, moving east at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Pampa, Borger, Miami, Stinnett and Codman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3548 10057 3563 10140 3582 10147 3606 10068
3606 10064
TIME...MOT...LOC 0237Z 267DEG 36KT 3571 10115
HAIL...1.00IN
WIND...<50MPH
$$
Bieda427
WWUS54 KAMA 130248
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
848 PM CST Fri Mar 12 2021
TXC065-130258-
/O.CAN.KAMA.SV.W.0003.000000T0000Z-210313T0315Z/
Carson TX-
848 PM CST Fri Mar 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARSON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CST for
the Panhandle of Texas.
LAT...LON 3561 10109 3563 10109 3563 10120 3564 10131
3585 10135 3606 10069 3606 10064 3554 10058
TIME...MOT...LOC 0248Z 262DEG 36KT 3574 10104
$$
TXC179-233-393-130315-
/O.CON.KAMA.SV.W.0003.000000T0000Z-210313T0315Z/
Hutchinson TX-Gray TX-Roberts TX-
848 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR SOUTHEASTERN HUTCHINSON...NORTHERN GRAY AND ROBERTS COUNTIES...
At 848 PM CST, a severe thunderstorm was located 13 miles northeast
of Skellytown, or 13 miles north of Pampa, moving east at 40 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Miami and Codman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3561 10109 3563 10109 3563 10120 3564 10131
3585 10135 3606 10069 3606 10064 3554 10058
TIME...MOT...LOC 0248Z 262DEG 36KT 3574 10104
HAIL...1.50IN
WIND...<50MPH
$$
BiedaThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 6:11 PM CST | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 36 min |
| 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, 8:39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.