Alert archive / Texas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 177, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Oct 14, 2018, 5:10 PM CDT for Brown County, Callahan County, Coleman County, Texas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 14, 2018, 5:10 PM CDT (22:10 UTC)
- Expired
- Oct 14, 2018, 5:40 PM CDT
- In force
- 30 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Brown County, TX, Callahan County, TX, Coleman County, TX
The radar
The Dyess AFB radar (KDYX), 66 km from the middle of the area, began a volume at 22:13 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
Midland Regional, TX (KMAF), launched 12:00Z, 10.2 hours before the alert went out and 276 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
- 117 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1238 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 13, 6:51 PM CDT, 22 hours 19 minutes earlier.
Area forecast discussion, Oct 13, 6:51 PM CDT, 22 hours 19 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 12:51 PM CDT | Special Weather Statement | SJT | Throckmorton | 39 min |
| Oct 14, 2:32 PM CDT | River Flood Warning | SJT | Shackelford, Throckmorton | 25 hr |
| Oct 14, 3:01 PM CDT | Flash Flood Watch | SJT | Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more | 5 days |
| Oct 14, 3:37 PM CDT | Special Weather Statement | SJT | Runnels | 53 min |
| Oct 14, 3:47 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 43 min |
| Oct 14, 4:25 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman, Runnels | 50 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2018Every severe thunderstorm warning in 2018
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.