Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 148
The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2020, 9:05 PM CST for 29 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 3, 2020, 9:05 PM CST (03:05 UTC)
- Expired
- Mar 3, 2020, 11:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 29 counties
Bandera County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Burleson County, TX, Burnet County, TX, Comal County, TX, Coryell County, TX, Edwards County, TX, Falls County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Lee County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Milam County, TX, Mills County, TX, Real County, TX, Robertson County, TX, San Saba County, TX, Travis County, TX, Williamson County, TX
The radar
The Austin/San Antonio radar (KEWX), 125 km from the middle of the area, began a volume at 03:09 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 nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.1 hours before the alert went out and 225 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
- 277 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
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 |
|---|---|---|---|---|
| Mar 4, 1:19 AM CST | Mesoscale Discussion | SPC | Angelina, Jasper, Nacogdoches, Newton, Panola, Sabine and 3 more | 2 hr |
| Mar 4, 2:03 AM CST | Mesoscale Discussion | SPC | Bandera, Edwards, Gillespie, Kendall, Kerr, Kimble and 11 more | 117 min |
| Mar 4, 2:28 AM CST | Severe Thunderstorm Watch | SPC | Bandera, Bexar, Blanco, Burnet, Comal, Edwards and 13 more | 6 hr |
| Mar 4, 4:20 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Brazos and 41 more | 115 min |
| Mar 4, 5:02 AM CST | Severe Thunderstorm Watch | SPC | Angelina, Cherokee, Jasper, Nacogdoches, Newton, Panola and 5 more | 7 hr |
| Mar 4, 7:33 AM CST | Severe Thunderstorm Watch | SPC | Anderson, Brazos, Burleson, Falls, Freestone, Grimes and 10 more | 4 hr |
| Mar 4, 10:50 AM CST | Mesoscale Discussion | SPC | Angelina, Houston, Jasper, Nacogdoches, Newton, Polk and 5 more | 115 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.