Alert archive / Texas / Mesoscale Discussions in 2020
Mesoscale Discussion 246
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2020, 7:40 AM CDT for 21 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2020, 7:40 AM CDT (12:40 UTC)
- Expired
- Mar 28, 2020, 9:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 21 counties
Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Burnet County, TX, Coryell County, TX, Ellis County, TX, Falls County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Johnson County, TX, Lampasas County, TX, Llano County, TX, McLennan County, TX, Milam County, TX, Somervell County, TX, Tarrant County, TX, Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 93 km from the middle of the area, began a volume at 12:43 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
Fort Worth, TX (KFWD), launched 12:00Z, 0.7 hours before the alert went out and 145 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
- 1143 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.6
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 28, 3:42 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Wichita, Wilbarger | 2 hr |
| Mar 28, 12:14 PM CDT | Mesoscale Discussion | SPC | Bowie, Cass, Marion | 2 hr |
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.