Alert archive / Texas / Mesoscale Discussions in 2025
Mesoscale Discussion 704
The Storm Prediction Center issued this mesoscale discussion at May 5, 2025, 5:34 PM CDT for 29 counties in Texas. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- May 5, 2025, 5:34 PM CDT (22:34 UTC)
- Expired
- May 5, 2025, 7:30 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 225
All 29 counties
Austin County, TX, Bastrop County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Chambers County, TX, Colorado County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Gonzales County, TX, Grimes County, TX, Harris County, TX, Hays County, TX, Jackson County, TX, Jefferson County, TX, Lavaca County, TX, Lee County, TX, Liberty County, TX, Matagorda County, TX, Milam County, TX, Montgomery County, TX, San Jacinto County, TX, Travis County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Williamson County, TX
The radar
The Houston radar (KHGX), 125 km from the middle of the area, began a volume at 22:38 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
Corpus Christi, TX (KCRP), launched 12:00Z, 10.6 hours before the alert went out and 266 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
- 1477 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 11.1
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 5, 8:46 AM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Bexar, Burleson, Caldwell, Colorado and 18 more | 119 min |
| May 5, 1:18 PM CDT | Mesoscale Discussion | SPC | Austin, Burleson, Lee, Waller, Washington | 57 min |
| May 5, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 8 more | 6 hr |
| May 5, 1:58 PM CDT | Mesoscale Discussion | SPC | Andrews, Crane, Ector, Gaines, Loving, Martin and 5 more | 92 min |
| May 5, 3:26 PM CDT | Tornado Watch | SPC | Andrews, Crane, Ector, Gaines, Loving, Martin and 8 more | 6 hr |
| May 5, 3:48 PM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 8 more | 87 min |
| May 5, 6:15 PM CDT | Mesoscale Discussion | SPC | Crane, Ector, Pecos, Upton, Ward, Winkler | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2025Every mesoscale discussion in 2025
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.