Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 12, 2021, 10:09 PM CST for 4 counties in Texas. It was in force for 29 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, 10:09 PM CST (04:09 UTC)
- Expired
- Mar 12, 2021, 10:38 PM CST
- In force
- 29 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gray County, TX, Hemphill County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 91 km from the middle of the area, began a volume at 04:11 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, 10:11 PM CST | HAIL 1 | Pampa, TX |
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 |
|---|---|---|---|
| Mar 12, 8:38 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 4.2 hours before the alert went out and 90 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.
486
WUUS54 KAMA 130409
SVRAMA
TXC179-211-393-483-130515-
/O.NEW.KAMA.SV.W.0006.210313T0409Z-210313T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1009 PM CST Fri Mar 12 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Northwestern Wheeler County in the Panhandle of Texas...
Northern Gray County in the Panhandle of Texas...
Southeastern Roberts County in the Panhandle of Texas...
Southwestern Hemphill County in the Panhandle of Texas...
* Until 1115 PM CST.
* At 1009 PM CST, a severe thunderstorm was located over Pampa,
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, Miami, New Mobeetie, Codman, Lora and Mobeetie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3546 10105 3562 10108 3583 10043 3544 10035
TIME...MOT...LOC 0409Z 255DEG 37KT 3556 10098
HAIL...1.00IN
WIND...60MPH
$$
Guerrero2 follow-up statements
146
WWUS54 KAMA 130425
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1025 PM CST Fri Mar 12 2021
TXC179-211-393-483-130515-
/O.CON.KAMA.SV.W.0006.000000T0000Z-210313T0515Z/
Wheeler TX-Gray TX-Roberts TX-Hemphill TX-
1025 PM CST Fri Mar 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR NORTHWESTERN WHEELER...NORTHEASTERN GRAY...SOUTHEASTERN ROBERTS
AND SOUTHWESTERN HEMPHILL COUNTIES...
At 1025 PM CST, a severe thunderstorm was located over Codman, or 9
miles southwest of Miami, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
Locations impacted include...
Miami, New Mobeetie, Codman, Lora and Mobeetie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3547 10089 3566 10093 3583 10043 3544 10035
TIME...MOT...LOC 0425Z 255DEG 37KT 3560 10078
HAIL...1.00IN
WIND...60MPH
$$
Guerrero320
WWUS54 KAMA 130438
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1038 PM CST Fri Mar 12 2021
TXC179-211-393-483-130448-
/O.CAN.KAMA.SV.W.0006.000000T0000Z-210313T0515Z/
Wheeler TX-Gray TX-Roberts TX-Hemphill TX-
1038 PM CST Fri Mar 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WHEELER...
NORTHEASTERN GRAY...SOUTHEASTERN ROBERTS AND SOUTHWESTERN HEMPHILL
COUNTIES 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 gusty winds are
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 200 AM CST for
the Panhandle of Texas.
LAT...LON 3547 10089 3566 10093 3583 10043 3544 10035
TIME...MOT...LOC 0436Z 255DEG 37KT 3564 10061
$$
GuerreroThe 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, 8:20 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 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.