Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 610
The Storm Prediction Center issued this mesoscale discussion at May 15, 2020, 8:56 PM CDT for 77 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 15, 2020, 8:56 PM CDT (01:56 UTC)
- Expired
- May 15, 2020, 11:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 77 counties
Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Collin County, TX, Colorado County, TX, Comal County, TX, Comanche County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, DeWitt County, TX, Dimmit County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fayette County, TX, Freestone County, TX, Frio County, TX, Gillespie County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Jackson County, TX, Johnson County, TX, Karnes County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, La Salle County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Limestone County, TX, Live Oak County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McLennan County, TX, McMullen County, TX, Medina County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Real County, TX, Refugio County, TX, Robertson County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Travis County, TX, Uvalde County, TX, Van Zandt County, TX, Victoria County, TX, Webb County, TX, Wharton County, TX, Williamson County, TX, Wilson County, TX, Wise County, TX, Zavala County, TX
The radar
The Ft Hood radar (KGRK), 47 km from the middle of the area, began a volume at 01:59 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 00:00Z, 1.9 hours before the alert went out and 261 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
- 1748 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.2
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 15, 8:18 PM CDT | Mesoscale Discussion | SPC | Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 6 more | 2 hr |
| May 15, 9:14 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Atascosa, Bandera, Bastrop, Bee, Bell and 66 more | 7 hr |
| May 15, 11:44 PM CDT | Mesoscale Discussion | SPC | Aransas, Atascosa, Austin, Bastrop, Bee, Bell and 48 more | 2 hr |
| May 16, 12:54 AM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 6 more | 4 hr |
| May 16, 1:31 AM CDT | Mesoscale Discussion | SPC | Aransas, Brooks, Calhoun, Duval, Goliad, Hidalgo and 11 more | 89 min |
| May 16, 1:16 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Franklin, Harrison, Marion and 4 more | 2 hr |
| May 16, 3:27 PM CDT | Tornado Watch | SPC | Bowie, Camp, Cass, Franklin, Harrison, Marion and 5 more | 6 hr |
| May 16, 5:31 PM CDT | Mesoscale Discussion | SPC | Bowie | 59 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.