Alert archive / Texas / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 59, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 18, 2013, 1:28 AM CDT for Nolan County, Taylor County, Texas. It was in force for 47 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
- Apr 18, 2013, 1:28 AM CDT (06:28 UTC)
- Expired
- Apr 18, 2013, 2:15 AM CDT
- In force
- 47 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
Counties Nolan County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 88 km from the middle of the area, began a volume at 06:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 17, 10:47 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 6.5 hours before the alert went out and 274 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
- 790 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1376 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 196 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 15.0
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:45 PM CDT | Special Weather Statement | SJT | Haskell | 45 min |
| Apr 18, 12:18 AM CDT | Special Weather Statement | SJT | Fisher | 27 min |
| Apr 18, 12:19 AM CDT | Special Weather Statement | SJT | Sterling | 26 min |
| Apr 18, 12:43 AM CDT | Special Weather Statement | SJT | Nolan | 32 min |
| Apr 18, 12:49 AM CDT | Severe Thunderstorm Warning | SJT | Fisher, Haskell, Jones | 41 min |
| Apr 18, 1:15 AM CDT | Special Weather Statement | SJT | Nolan | 30 min |
| Apr 18, 1:20 AM CDT | Special Weather Statement | SJT | Haskell, Jones, Throckmorton | 25 min |
| Apr 18, 1:46 AM CDT | Special Weather Statement | SJT | Irion | 29 min |
| Apr 18, 1:48 AM CDT | Special Weather Statement | SJT | Shackelford, Throckmorton | 42 min |
| Apr 18, 2:02 AM CDT | Special Weather Statement | SJT | Callahan, Taylor | 43 min |
| Apr 18, 2:09 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Tom Green | 51 min |
| Apr 18, 2:17 AM CDT | Special Weather Statement | SJT | Crockett | 58 min |
| Apr 18, 2:46 AM CDT | Special Weather Statement | SJT | Callahan, Coleman | 44 min |
| Apr 18, 2:49 AM CDT | Special Weather Statement | SJT | Concho | 41 min |
| Apr 18, 3:07 AM CDT | Special Weather Statement | SJT | Schleicher, Sutton | 38 min |
| Apr 18, 3:18 AM CDT | Special Weather Statement | SJT | Brown, Coleman | 42 min |
| Apr 18, 4:00 AM CDT | Special Weather Statement | SJT | Brown | 60 min |
| Apr 18, 4:03 AM CDT | Severe Thunderstorm Warning | SJT | Brown | 42 min |
| Apr 18, 4:23 AM CDT | Special Weather Statement | SJT | McCulloch | 67 min |
| Apr 18, 1:31 PM CDT | Frost Advisory | SJT | Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more | 19 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013
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.