Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 13, 2021, 4:30 PM CST for 4 counties in Texas. It was in force for 60 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 13, 2021, 4:30 PM CST (22:30 UTC)
- Expired
- Mar 13, 2021, 5:30 PM CST
- In force
- 60 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hansford County, TX, Hutchinson County, TX, Moore County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 79 km from the middle of the area, began a volume at 22:31 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 13, 12:36 PM CST | Tornado Watch | SPC | 5 hr |
| Mar 13, 2:26 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.5 hours before the alert went out and 79 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
- 188 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.9
The text
As transmitted.
893
WUUS54 KAMA 132230
SVRAMA
TXC195-233-341-421-132330-
/O.NEW.KAMA.SV.W.0013.210313T2230Z-210313T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
430 PM CST Sat Mar 13 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Hutchinson County in the Panhandle of Texas...
Southern Hansford County in the Panhandle of Texas...
Southeastern Sherman County in the Panhandle of Texas...
Eastern Moore County in the Panhandle of Texas...
* Until 530 PM CST.
* At 429 PM CST, a severe thunderstorm was located 8 miles west of
Pringle, or 20 miles east of Dumas, moving east at 55 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...
Borger, Spearman, Fritch, Sunray, Stinnett, Gruver, Sanford, Morse,
Lake Meredith and Pringle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 PM CST for the Panhandle
of Texas. A Tornado Watch also 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 10109 3562 10181 3627 10197 3633 10109
TIME...MOT...LOC 2229Z 251DEG 46KT 3596 10161
HAIL...1.00IN
WIND...60MPH
$$
LFM1 follow-up statement
755
WWUS54 KAMA 132255
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
455 PM CST Sat Mar 13 2021
TXC341-421-132305-
/O.CAN.KAMA.SV.W.0013.000000T0000Z-210313T2330Z/
Sherman TX-Moore TX-
455 PM CST Sat Mar 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHERMAN AND
EASTERN MOORE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.
LAT...LON 3563 10109 3562 10162 3629 10162 3633 10109
TIME...MOT...LOC 2255Z 231DEG 31KT 3610 10141
$$
TXC195-233-132330-
/O.CON.KAMA.SV.W.0013.000000T0000Z-210313T2330Z/
Hutchinson TX-Hansford TX-
455 PM CST Sat Mar 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CST
FOR HUTCHINSON AND SOUTHERN HANSFORD COUNTIES...
At 455 PM CST, a severe thunderstorm was located 4 miles northeast of
Morse, or 13 miles southwest of Spearman, moving northeast at 35 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...
Borger, Spearman, Fritch, Stinnett, Gruver, Sanford, Morse and
Pringle.
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 3563 10109 3562 10162 3629 10162 3633 10109
TIME...MOT...LOC 2255Z 231DEG 31KT 3610 10141
HAIL...1.00IN
WIND...60MPH
$$
LFMThe 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 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, 4:42 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.