Alert archive / Texas / Severe Thunderstorm Watches in 2021
Severe Thunderstorm Watch 324
The Storm Prediction Center issued this severe thunderstorm watch at Jun 26, 2021, 3:58 PM MDT for 5 counties in New Mexico; 12 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2021, 3:58 PM MDT (21:58 UTC)
- Expired
- Jun 27, 2021, 12:00 AM MDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Chaves County, NM, Curry County, NM, De Baca County, NM, Quay County, NM, Roosevelt County, NM, Bailey County, TX, Briscoe County, TX, Castro County, TX, Deaf Smith County, TX, Hale County, TX, Hall County, TX, Lamb County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Swisher County, TX
The radar
The Cannon AFB radar (KFDX), 96 km from the middle of the area, began a volume at 22:02 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
- 10%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:07 PM MDT | Severe Thunderstorm Warning | ABQ | Curry, Quay | 38 min |
| Jun 26, 4:27 PM MDT | Severe Thunderstorm Warning | ABQ | Quay | 48 min |
| Jun 26, 4:31 PM MDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 89 min |
| Jun 26, 4:44 PM MDT | Severe Thunderstorm Warning | ABQ | Curry, Quay | 61 min |
| Jun 26, 5:08 PM MDT | Severe Thunderstorm Warning | ABQ | Curry, Roosevelt | 37 min |
| Jun 26, 5:25 PM MDT | Severe Thunderstorm Warning | ABQ | Chaves | 50 min |
| Jun 26, 5:43 PM MDT | Severe Thunderstorm Warning | ABQ | Curry, Roosevelt | 47 min |
| Jun 26, 5:57 PM MDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Randall | 93 min |
| Jun 26, 6:20 PM MDT | Tornado Warning | ABQ | Roosevelt | 25 min |
| Jun 26, 6:24 PM MDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran, Hockley, Lamb | 66 min |
| Jun 26, 6:35 PM MDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran | 55 min |
| Jun 26, 6:43 PM MDT | Severe Thunderstorm Warning | ABQ | Roosevelt | 16 min |
| Jun 26, 7:19 PM MDT | Severe Thunderstorm Warning | LUB | Bailey, Cochran, Hockley, Lamb | 56 min |
| Jun 26, 8:03 PM MDT | Severe Thunderstorm Warning | LUB | Castro, Hale, Hockley, Lamb, Lubbock, Swisher | 57 min |
| Jun 26, 8:57 PM MDT | Severe Thunderstorm Warning | LUB | Briscoe, Crosby, Floyd, Garza, Hale, Lubbock and 2 more | 63 min |
| Jun 26, 9:57 PM MDT | Severe Thunderstorm Warning | LUB | Briscoe, Crosby, Dickens, Floyd, Garza, Hall and 2 more | 48 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, 10.0 hours before the alert went out and 100 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
- 377 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted.
714
WWUS20 KWNS 262156
SEL4
SPC WW 262156
NMZ000-TXZ000-270400-
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 324
NWS Storm Prediction Center Norman OK
500 PM CDT Sat Jun 26 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern New Mexico
Northwest Texas
* Effective this Saturday afternoon and evening from 500 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Multiple storms including a few clusters will develop
east-southeastward from eastern New Mexico toward parts of the Texas
Panhandle and Texas South Plains. Large hail and severe-caliber wind
gusts are the primary hazards.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 40 miles northwest of
Amarillo TX to 45 miles east of Roswell NM. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 321...WW 322...WW 323...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30020.
...GuyerSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 2:27 PM MDT | Mesoscale Discussion | SPC | Curry, Lea, Quay, Roosevelt | 2 hr |
| Jun 26, 2:48 PM MDT | Severe Thunderstorm Watch | SPC | Lea | 9 hr |
| Jun 26, 5:27 PM MDT | Mesoscale Discussion | SPC | Lea | 93 min |
| Jun 25, 7:49 PM MDT | Mesoscale Discussion | SPC | Childress, Collingsworth, Hall | 86 min |
| Jun 25, 10:36 PM MDT | Mesoscale Discussion | SPC | Armstrong, Carson, Castro, Donley, Gray, Hemphill and 3 more | 84 min |
| Jun 25, 10:59 PM MDT | Severe Thunderstorm Watch | SPC | Briscoe, Childress, Collingsworth, Donley, Hall, Hardeman and 1 more | 5 hr |
| Jun 26, 12:53 AM MDT | Mesoscale Discussion | SPC | Briscoe, Childress, Cottle, Hall, Hardeman, Wilbarger | 67 min |
| Jun 26, 11:59 AM MDT | Mesoscale Discussion | SPC | Archer, Baylor, Childress, Cottle, Crosby, Dickens and 15 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2021Severe Thunderstorm Watches in New Mexico, 2021Every severe thunderstorm 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.