Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 600
The Storm Prediction Center issued this mesoscale discussion at May 9, 2019, 1:01 PM CDT for 26 counties in Texas. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- May 9, 2019, 1:01 PM CDT (18:01 UTC)
- Expired
- May 9, 2019, 3:00 PM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 26 counties
Atascosa County, TX, Bandera County, TX, Bee County, TX, Bexar County, TX, Comal County, TX, Dimmit County, TX, Duval County, TX, Edwards County, TX, Frio County, TX, Guadalupe County, TX, Jim Wells County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, La Salle County, TX, Live Oak County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Webb County, TX, Wilson County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 99 km from the middle of the area, began a volume at 18:02 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
Del Rio, TX (KDLF), launched 12:00Z, 6.0 hours before the alert went out and 153 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
- 3868 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.5
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 8, 7:32 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Deaf Smith, Hale, Lamb, Parmer and 1 more | 58 min |
| May 8, 10:31 PM CDT | Mesoscale Discussion | SPC | Angelina, Brazos, Cherokee, Fort Bend, Grimes, Hardin and 21 more | 89 min |
| May 9, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bee, Bexar, Blanco and 33 more | 11 hr |
| May 9, 5:40 PM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 18 more | 95 min |
| May 9, 6:31 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 15 more | 8 hr |
Nearby
Mesoscale Discussions in Texas, 2019Every mesoscale discussion in 2019
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.