Alert archive / Texas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 16, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 18, 2020, 5:33 PM CDT for 4 counties in Texas. It was in force for 42 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
- Mar 18, 2020, 5:33 PM CDT (22:33 UTC)
- Expired
- Mar 18, 2020, 6:15 PM CDT
- In force
- 42 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Callahan County, TX, Jones County, TX, Shackelford County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 35 km from the middle of the area, began a volume at 22:33 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 |
|---|---|---|---|
| Mar 18, 4:42 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.6 hours before the alert went out and 221 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
- 54 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Mar 18, 3:03 PM CDT, 2 hours 30 minutes earlier.
Area forecast discussion, Mar 18, 3:03 PM CDT, 2 hours 30 minutes before
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</html>Hazardous weather outlook, Mar 18, 2:42 PM CDT, 2 hours 51 minutes before
Hazardous Weather Outlook National Weather Service San Angelo TX 242 PM CDT Wed Mar 18 2020 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-191945- Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho- Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford- Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble- Mason- 242 PM CDT Wed Mar 18 2020 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...This Afternoon and Tonight Severe thunderstorms are possible this evening through early Thursday morning. The main hazards will be large hail, damaging winds, and a few tornadoes. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday The threat for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested Wednesday evening.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:00 PM CDT | Special Weather Statement | SJT | Throckmorton | 45 min |
| Mar 17, 7:02 PM CDT | Areal Flood Advisory | SJT | Haskell, Throckmorton | 3 hr |
| Mar 17, 7:10 PM CDT | Areal Flood Advisory | SJT | Fisher, Jones, Nolan | 3 hr |
| Mar 17, 7:26 PM CDT | Special Weather Statement | SJT | Crockett | 49 min |
| Mar 17, 7:43 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 19 min |
| Mar 17, 7:49 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Jones, Shackelford, Throckmorton | 56 min |
| Mar 17, 8:38 PM CDT | Tornado Warning | SJT | Shackelford, Throckmorton | 37 min |
| Mar 17, 9:16 PM CDT | Special Weather Statement | SJT | Shackelford | 14 min |
| Mar 17, 10:15 PM CDT | Special Weather Statement | SJT | Irion | 45 min |
| Mar 17, 10:54 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Sterling, Tom Green | 51 min |
| Mar 17, 11:33 PM CDT | Special Weather Statement | SJT | Taylor | 42 min |
| Mar 18, 12:33 AM CDT | Special Weather Statement | SJT | Runnels | 42 min |
| Mar 18, 2:44 AM CDT | Special Weather Statement | SJT | Brown | 46 min |
| Mar 18, 5:04 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman, Runnels, Taylor | 41 min |
| Mar 18, 5:25 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Sterling, Tom Green | 28 min |
| Mar 18, 5:38 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman | 52 min |
| Mar 18, 5:48 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Jones, Shackelford | 57 min |
| Mar 18, 6:10 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Jones, Shackelford, Throckmorton | 65 min |
| Mar 18, 6:57 PM CDT | Areal Flood Advisory | SJT | Haskell, Jones, Shackelford, Throckmorton | 108 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning 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.