Alert archive / Texas / Mesoscale Discussions in 2023

Mesoscale Discussion 964

June 10, 202323 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2023, 2:08 PM CDT for 23 counties in Texas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 10, 2023, 2:08 PM CDT (19:08 UTC)
Expired
Jun 10, 2023, 5:15 PM CDT
In force
3 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch likely
Chance of a watch
95%
All 23 counties

Anderson County, TX, Bosque County, TX, Dallas County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Houston County, TX, Johnson County, TX, Kaufman County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Robertson County, TX, Somervell County, TX, Tarrant County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 80 km from the middle of the area, began a volume at 19:09 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 7.1 hours before the alert went out and 274 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, Shreveport, LA at 12:00Z on 2023-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1436 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, Shreveport, LA at 12:00Z on 2023-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
1436 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 10:04 PM CDTMesoscale DiscussionSPCBandera, Concho, Crockett, Dimmit, Edwards, Gillespie and 16 more116 min
Jun 10, 10:14 AM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Franklin, Gregg, Harrison and 10 more3 hr
Jun 10, 10:52 AM CDTSevere Thunderstorm WatchSPCBowie, Camp, Cass, Cherokee, Franklin, Gregg and 11 more7 hr
Jun 10, 2:37 PM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Bell, Bosque, Brazos, Burleson and 43 more7 hr
Jun 10, 3:09 PM CDTMesoscale DiscussionSPCSabine2 hr
Jun 10, 5:55 PM CDTMesoscale DiscussionSPCAnderson, Angelina, Bell, Bosque, Cherokee, Collin and 32 more95 min
Jun 10, 6:42 PM CDTMesoscale DiscussionSPCDallam, Hansford, Sherman63 min

Nearby

Mesoscale Discussions in Texas, 2023Every mesoscale discussion in 2023

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.