Alert archive / Texas / Tornado Watches in 2021
Tornado Watch 211
The Storm Prediction Center issued this tornado watch at May 26, 2021, 5:13 PM CDT for 9 counties in Oklahoma; 26 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 26, 2021, 5:13 PM CDT (22:13 UTC)
- Expired
- May 27, 2021, 12:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3.5 in
- Strongest gust expected
- 60 kt
All 35 counties
Alfalfa County, OK, Beaver County, OK, Ellis County, OK, Grant County, OK, Harper County, OK, Major County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 18 km from the middle of the area, began a volume at 22:13 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 5:38 PM CDT | Tornado Warning | AMA | Hansford | 52 min |
| May 26, 5:43 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Hutchinson, Potter | 62 min |
| May 26, 5:56 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Lamb, Swisher | 64 min |
| May 26, 6:11 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Randall | 49 min |
| May 26, 6:17 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Castro, Floyd, Hale, Lamb, Swisher | 58 min |
| May 26, 6:24 PM CDT | Tornado Warning | AMA | Hansford | 51 min |
| May 26, 6:35 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 70 min |
| May 26, 6:37 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 53 min |
| May 26, 6:42 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Lamb | 33 min |
| May 26, 6:43 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Potter, Roberts | 62 min |
| May 26, 6:47 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Potter, Randall | 58 min |
| May 26, 6:58 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 62 min |
| May 26, 7:01 PM CDT | Tornado Warning | AMA | Hansford, Ochiltree | 44 min |
| May 26, 7:01 PM CDT | Tornado Warning | AMA | Carson | 44 min |
| May 26, 7:15 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Castro, Floyd, Hale, Lamb, Swisher | 45 min |
| May 26, 7:33 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 57 min |
| May 26, 7:39 PM CDT | Tornado Warning | AMA | Hansford, Ochiltree | 51 min |
| May 26, 7:40 PM CDT | Tornado Warning | AMA | Carson, Gray, Hutchinson, Roberts | 50 min |
| May 26, 7:56 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Castro, Floyd, Hale, Lamb, Swisher | 64 min |
| May 26, 8:07 PM CDT | Tornado Warning | AMA | Lipscomb, Ochiltree | 38 min |
| May 26, 8:10 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Castro, Lamb, Parmer | 50 min |
| May 26, 8:13 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 47 min |
| May 26, 8:25 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Roberts | 65 min |
| May 26, 8:31 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 59 min |
| May 26, 8:31 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Parmer | 59 min |
| May 26, 8:42 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 39 min |
| May 26, 8:44 PM CDT | Tornado Warning | LUB | Hale, Lamb | 31 min |
| May 26, 8:51 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 39 min |
| May 26, 8:57 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 33 min |
| May 26, 9:05 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Swisher | 30 min |
| May 26, 9:09 PM CDT | Severe Thunderstorm Warning | LUB | Hale, Lamb | 66 min |
| May 26, 9:11 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Deaf Smith, Randall | 43 min |
| May 26, 9:14 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Hale, Lamb, Swisher | 61 min |
| May 26, 9:16 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 44 min |
| May 26, 9:30 PM CDT | Tornado Warning | LUB | Hale | 30 min |
| May 26, 9:43 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 32 min |
| May 26, 9:56 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Ellis, Harper, Woods, Woodward | 49 min |
| May 26, 9:59 PM CDT | Tornado Warning | LUB | Hale | 31 min |
| May 26, 10:04 PM CDT | Severe Thunderstorm Warning | LUB | Castro, Hale, Lamb, Swisher | 56 min |
| May 26, 10:20 PM CDT | Severe Thunderstorm Warning | LUB | Hale, Hockley, Lamb, Lubbock | 25 min |
| May 26, 10:31 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Swisher | 28 min |
| May 26, 10:41 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant, Woods, Woodward | 49 min |
| May 26, 11:24 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 51 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.2 hours before the alert went out and 17 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
- 1081 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1626 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted.
575
WWUS20 KWNS 262211
SEL1
SPC WW 262211
OKZ000-TXZ000-270500-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 211
NWS Storm Prediction Center Norman OK
515 PM CDT Wed May 26 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northwestern Oklahoma and central/eastern Oklahoma Panhandle
Texas Panhandle
* Effective this Wednesday afternoon from 515 PM until Midnight
CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail and isolated very large hail events to 3.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Scattered thunderstorms, including a few supercells, will
pose a threat for a couple tornadoes, along with very large hail and
isolated damaging gusts through this evening.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 25 miles southwest of Plainview TX to
75 miles east northeast of Guymon OK. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 205...WW 206...WW
207...WW 208...WW 209...WW 210...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 600. Mean
storm motion vector 23025.
...EdwardsSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 10:10 PM CDT | Mesoscale Discussion | SPC | Harmon | 65 min |
| May 26, 12:43 AM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson, Tillman | 92 min |
| May 26, 3:24 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Roger Mills, Texas, Woodward | 96 min |
| May 25, 7:21 PM CDT | Mesoscale Discussion | SPC | Armstrong, Borden, Briscoe, Carson, Childress, Coke and 33 more | 84 min |
Nearby
Tornado Watches in Texas, 2021Tornado Watches in Oklahoma, 2021Every tornado watch 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.