Alert archive / Texas / Mesoscale Discussions in 2024

Mesoscale Discussion 902

May 22, 202428 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 22, 2024, 6:08 PM CDT for 28 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 22, 2024, 6:08 PM CDT (23:08 UTC)
Expired
May 22, 2024, 8:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Tornado watch 286
All 28 counties

Bell County, TX, Bosque County, TX, Brazos County, TX, Brown County, TX, Burleson County, TX, Burnet County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Grimes County, TX, Hamilton County, TX, Houston County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, McCulloch County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Robertson County, TX, San Saba County, TX, Walker County, TX, Williamson County, TX

The radar

The Ft Hood radar (KGRK), 53 km from the middle of the area, began a volume at 23:09 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.1 hours before the alert went out and 188 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, Fort Worth, TX at 12:00Z on 2024-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3323 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, Fort Worth, TX at 12:00Z on 2024-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897Sfc1 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
3323 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.9
Supercell composite
3.1

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
May 22, 10:02 AM CDTSevere Thunderstorm WatchSPCBowie, Red River7 hr
May 22, 12:12 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coke, Coleman, Collin and 38 more2 hr
May 22, 12:30 PM CDTTornado WatchSPCAnderson, Bell, Bosque, Brown, Callahan, Coke and 45 more8 hr
May 22, 12:39 PM CDTSevere Thunderstorm WatchSPCArcher, Clay, Cooke, Fisher, Haskell, Jack and 10 more7 hr
May 22, 2:03 PM CDTMesoscale DiscussionSPCLamar, Red River87 min
May 22, 3:38 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coke, Coleman, Collin and 39 more97 min
May 22, 4:47 PM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Franklin, Marion, Morris and 2 more118 min
May 22, 4:57 PM CDTSevere Thunderstorm WatchSPCAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more6 hr
May 22, 6:41 PM CDTTornado WatchSPCAnderson, Bell, Brazos, Burleson, Burnet, Falls and 16 more3 hr

Nearby

Mesoscale Discussions in Texas, 2024Every mesoscale discussion in 2024

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.