Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 717
The Storm Prediction Center issued this mesoscale discussion at May 24, 2020, 8:21 PM CDT for 32 counties in Texas. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- May 24, 2020, 8:21 PM CDT (01:21 UTC)
- Expired
- May 24, 2020, 10:15 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 222
All 32 counties
Aransas County, TX, Atascosa County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Brooks County, TX, Caldwell County, TX, Calhoun County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Duval County, TX, Fayette County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Jackson County, TX, Jim Hogg County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, Lavaca County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Travis County, TX, Victoria County, TX, Wharton County, TX, Wilson County, TX
The radar
The Corpus Christi radar (KCRP), 65 km from the middle of the area, began a volume at 01:21 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
Corpus Christi, TX (KCRP), launched 00:00Z, 1.4 hours before the alert went out and 82 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
- 2479 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 921 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:05 PM CDT | Severe Thunderstorm Watch | SPC | Blanco, Brown, Burnet, Callahan, Coleman, Comal and 19 more | 5 hr |
| May 24, 8:43 PM CDT | Mesoscale Discussion | SPC | Childress, Collingsworth, Cottle, Foard, Hall, Hardeman and 1 more | 2 hr |
| May 24, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Bastrop, Bee, Caldwell, Calhoun, DeWitt and 16 more | 7 hr |
| May 24, 10:41 PM CDT | Severe Thunderstorm Watch | SPC | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 4 hr |
| May 24, 11:23 PM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Brooks, Calhoun, Cameron, Goliad and 11 more | 2 hr |
| May 25, 1:50 PM CDT | Mesoscale Discussion | SPC | Bowie, Cass, Red River | 85 min |
| May 25, 3:19 PM CDT | Mesoscale Discussion | SPC | Maverick | 116 min |
| May 25, 5:04 PM CDT | Mesoscale Discussion | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Kenedy and 4 more | 116 min |
Nearby
Mesoscale Discussions in Texas, 2020Every mesoscale discussion in 2020
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.