Alert archive / Texas / Severe Thunderstorm Watches in 2021
Severe Thunderstorm Watch 233
The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2021, 2:50 PM CDT for 25 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2021, 2:50 PM CDT (19:50 UTC)
- Expired
- Jun 2, 2021, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 25 counties
Andrews County, TX, Borden County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kimble County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Tom Green County, TX
The radar
The Midland/Odessa radar (KMAF), 85 km from the middle of the area, began a volume at 19:53 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 3:20 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Gaines | 55 min |
| Jun 2, 3:23 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Dawson, Howard, Martin | 67 min |
| Jun 2, 3:37 PM CDT | Flash Flood Warning | MAF | Andrews, Dawson, Gaines, Martin | 3 hr |
| Jun 2, 4:14 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Winkler | 46 min |
| Jun 2, 4:17 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 21 min |
| Jun 2, 4:17 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Glasscock, Martin, Midland | 43 min |
| Jun 2, 4:56 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Runnels, Tom Green | 27 min |
| Jun 2, 4:58 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Ector, Winkler | 62 min |
| Jun 2, 6:17 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Ector, Ward, Winkler | 43 min |
| Jun 2, 6:35 PM CDT | Flash Flood Warning | SJT | McCulloch, San Saba | 115 min |
| Jun 2, 7:12 PM CDT | Severe Thunderstorm Warning | MAF | Andrews, Loving, Winkler | 63 min |
| Jun 2, 7:25 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 50 min |
| Jun 2, 7:28 PM CDT | Flash Flood Warning | SJT | McCulloch | 2 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 7.8 hours before the alert went out and 86 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
- 1221 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted.
226
WWUS20 KWNS 021947
SEL3
SPC WW 021947
TXZ000-030200-
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 233
NWS Storm Prediction Center Norman OK
250 PM CDT Wed Jun 2 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
West Central and West Texas
* Effective this Wednesday afternoon and evening from 250 PM
until 900 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Scattered thunderstorms are developing along a boundary
extending from north of Midland to near Brownwood. Very unstable
conditions will pose a risk of slow-moving intense thunderstorms
capable of large hail and damaging winds.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 35 miles northwest of
Midland TX to 40 miles northeast of Junction TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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.
&&
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 500. Mean storm motion vector
30025.
...HartSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:24 PM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Cochran, Crosby, Dawson, Floyd and 11 more | 96 min |
| Jun 2, 6:14 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Fisher, Haskell, Jones, Knox and 5 more | 2 hr |
| Jun 2, 1:28 PM CDT | Mesoscale Discussion | SPC | Andrews, Coke, Concho, Dawson, Ector, Gaines and 11 more | 2 hr |
| Jun 2, 4:56 PM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Bell, Brazos, Burleson, Burnet and 18 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Texas, 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.