Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 2176

October 25, 202525 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 25, 2025, 12:56 AM CDT for 25 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Oct 25, 2025, 12:56 AM CDT (05:56 UTC)
Expired
Oct 25, 2025, 2:30 AM CDT
In force
94 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch likely
Chance of a watch
80%
All 25 counties

Austin County, TX, Brazoria County, TX, Chambers County, TX, Colorado County, TX, DeWitt County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Gonzales County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Jackson County, TX, Jefferson County, TX, Lavaca County, TX, Liberty County, TX, Matagorda County, TX, Montgomery County, TX, Orange County, TX, Polk County, TX, San Jacinto County, TX, Victoria County, TX, Waller County, TX, Washington County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 84 km from the middle of the area, began a volume at 05:58 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.9 hours before the alert went out and 270 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.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2025-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2025-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1242 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 24, 7:11 PM CDTMesoscale DiscussionSPCComanche, Erath, Hood, Johnson, Palo Pinto, Parker and 2 more94 min
Oct 24, 8:16 PM CDTSevere Thunderstorm WatchSPCBandera, Bastrop, Bell, Bexar, Blanco, Brazos and 32 more9 hr
Oct 24, 9:33 PM CDTMesoscale DiscussionSPCDallas, Ellis, Hill, Johnson, Navarro, Rockwall and 1 more117 min
Oct 24, 10:52 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Caldwell, Comal, Frio and 9 more113 min
Oct 25, 1:37 AM CDTSevere Thunderstorm WatchSPCAustin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 13 more6 hr
Oct 25, 3:16 AM CDTMesoscale DiscussionSPCChambers, Harris, Jefferson, Liberty, Montgomery119 min
Oct 25, 5:47 AM CDTMesoscale DiscussionSPCJefferson, Orange88 min
Oct 25, 2:53 PM CDTMesoscale DiscussionSPCBell, Bosque, Burnet, Comanche, Coryell, Ellis and 15 more97 min

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.