Alert archive / Texas / Severe Thunderstorm Watches in 2021

Severe Thunderstorm Watch 233

June 2, 202125 counties in Texas

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.

IssuedProductOfficeCountiesLasted
Jun 2, 3:20 PM CDTSevere Thunderstorm WarningMAFAndrews, Gaines55 min
Jun 2, 3:23 PM CDTSevere Thunderstorm WarningMAFAndrews, Dawson, Howard, Martin67 min
Jun 2, 3:37 PM CDTFlash Flood WarningMAFAndrews, Dawson, Gaines, Martin3 hr
Jun 2, 4:14 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Winkler46 min
Jun 2, 4:17 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry21 min
Jun 2, 4:17 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Glasscock, Martin, Midland43 min
Jun 2, 4:56 PM CDTSevere Thunderstorm WarningSJTConcho, Runnels, Tom Green27 min
Jun 2, 4:58 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Winkler62 min
Jun 2, 6:17 PM CDTSevere Thunderstorm WarningMAFCrane, Ector, Ward, Winkler43 min
Jun 2, 6:35 PM CDTFlash Flood Warning Considerable damage threatSJTMcCulloch, San Saba115 min
Jun 2, 7:12 PM CDTSevere Thunderstorm WarningMAFAndrews, Loving, Winkler63 min
Jun 2, 7:25 PM CDTSevere Thunderstorm WarningSJTSan Saba50 min
Jun 2, 7:28 PM CDTFlash Flood Warning Considerable damage threatSJTMcCulloch2 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2021-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1221 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2021-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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.

...Hart

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 7:24 PM CDTMesoscale DiscussionSPCAndrews, Borden, Cochran, Crosby, Dawson, Floyd and 11 more96 min
Jun 2, 6:14 AM CDTMesoscale DiscussionSPCArcher, Baylor, Fisher, Haskell, Jones, Knox and 5 more2 hr
Jun 2, 1:28 PM CDTMesoscale DiscussionSPCAndrews, Coke, Concho, Dawson, Ector, Gaines and 11 more2 hr
Jun 2, 4:56 PM CDTMesoscale DiscussionSPCAustin, Bastrop, Bell, Brazos, Burleson, Burnet and 18 more3 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.