Alert archive / Texas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 52, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 12, 2020, 3:02 AM CDT for 4 counties in Texas. It was in force for 58 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 12, 2020, 3:02 AM CDT (08:02 UTC)
- Expired
- Apr 12, 2020, 4:00 AM CDT
- In force
- 58 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Concho County, TX, Menard County, TX, Schleicher County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 41 km from the middle of the area, began a volume at 08:03 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 12, 1:59 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 8.0 hours before the alert went out and 206 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
- 3028 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 23.5
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 Apr 12, 12:00 AM CDT, 3 hours 2 minutes earlier.
Area forecast discussion, Apr 12, 12:00 AM CDT, 3 hours 2 minutes before
Area Forecast Discussion National Weather Service San Angelo TX 1200 AM CDT Sun Apr 12 2020 .AVIATION... /06Z TAFS/ Scattered to numerous showers and thunderstorms will continue to develop across the area overnight. Included VCTS at all sites, with most convection ending by 12Z. In addition, patchy MVFR ceilings will be possible. West winds will increase to 15 to 25 knots, with higher gusts, by mid morning. A cold front will move through the area Sunday evening, resulting in north winds of 10 to 20 knots with higher gusts. && .PREV DISCUSSION... /issued 629 PM CDT Sat Apr 11 2020/ AVIATION... /00Z TAFS/ Chances for brief thunderstorms this evening for most terminals, followed by another round between 04-08Z. VFR outside of thunderstorms. Rapid wind shifts expected in and during thunderstorms with large hail and strong winds possible. Thunderstorm threat ends by 12Z, but strong winds expected through the day. SK PREV DISCUSSION... /issued 328 PM CDT Sat Apr 11 2020/ SHORT TERM... (Tonight) .Severe Thunderstorms... Look for thunderstorms this afternoon and tonight, as another upper disturbance moves over the region. The Storm Prediction Center has all of West Central Texas in an Enhanced Risk Area, through sunrise Sunday morning. The main hazards are tornadoes, very large hail, damaging winds, and deadly lightning. (Sunday) .Breezy and Another Cold Front... As another cold front, this one unusually strong for mid April, moves closer to West Central Texas, gusty winds, from the west, will develop Sunday. Then, the cold front may begin to move into the Big Country, by mid afternoon. Although this front will be a dry front, it will bring gusty winds from the north, along with uncharacteristically cold temperatures, for mid April. LONG TERM... (Sunday night through Saturday) .Much Cooler Temperatures then a Warmup... Much cooler temperatures will dominate through mid week, before a warming trend begins. Overnight lows Monday night, likely in the mid to upper 30s, will be unusually cold, for mid April. Plus, the wind chill Monday night, may be in the mid to upper 20s. Cooler than usual temperatures will continue until Wednesday; then, a warming trend will push temperatures back above usual mid April temperatures for Friday and Saturday. && .PRELIMINARY POINT TEMPS/POPS... Abilene 78 56 77 35 / 50 50 0 0 San Angelo 84 55 80 38 / 30 50 0 0 Junction 81 57 79 40 / 30 80 0 0 Brownwood 75 58 77 36 / 40 70 5 0 Sweetwater 79 54 77 35 / 50 40 0 0 Ozona 84 54 80 40 / 20 50 0 0 && .SJT WATCHES/WARNINGS/ADVISORIES... None. && Daniels
Hazardous weather outlook, Apr 11, 2:48 PM CDT, 12 hours 14 minutes before
Hazardous Weather Outlook National Weather Service San Angelo TX 248 PM CDT Sat Apr 11 2020 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-122000- 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- 248 PM CDT Sat Apr 11 2020 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...This Afternoon and Tonight Expect severe thunderstorms. Hazards include tornadoes, very large hail, damaging winds, and ever-present deadly lightning. .DAYS TWO THROUGH SEVEN...Sunday through Friday The threat for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... We will likely need spotters this afternoon and evening. Please relay any information about observed weather to the NWS, while following all local, state, and CDC guidelines.
In the hours before
Special weather statement, Apr 12, 12:18 AM CDT, 2 hours 44 minutes before
Special Weather Statement National Weather Service San Angelo TX 1218 AM CDT Sun Apr 12 2020 TXZ076-077-120600- Schleicher TX-Crockett TX- 1218 AM CDT Sun Apr 12 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SCHLEICHER AND NORTHEASTERN CROCKETT COUNTIES UNTIL 100 AM CDT... At 1217 AM CDT, Doppler radar was tracking a strong thunderstorm over Ozona, moving northeast at 40 mph. Penny size hail will be possible with this storm. This storm will remain over mainly rural areas of northwestern Schleicher and northeastern Crockett Counties, including the following locations... Us-190 Near The Crockett- Sutton County Line and The Intersection Of Us 190 And Highway 163. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3064 10144 3108 10145 3108 10070 3059 10105 TIME...MOT...LOC 0517Z 230DEG 35KT 3070 10119 SK
Special weather statement, Apr 12, 1:34 AM CDT, 1 hour 28 minutes before
Special Weather Statement
National Weather Service San Angelo TX
134 AM CDT Sun Apr 12 2020
TXZ072-073-077-120715-
Schleicher TX-Tom Green TX-Concho TX-
134 AM CDT Sun Apr 12 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SCHLEICHER...
SOUTHEASTERN TOM GREEN AND WESTERN CONCHO COUNTIES UNTIL 215 AM
CDT...
At 133 AM CDT, Doppler radar was tracking a strong thunderstorm 11
miles southeast of Christoval, moving northeast at 40 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
This strong thunderstorm will be near...
Vancourt around 200 AM CDT.
Eola around 210 AM CDT.
Other locations impacted by this storm include Vick, The Intersection
Of Ranch Road 380 And Ranch Road 381 and The Intersection Of Us-
83 And Ranch Road 765.
LAT...LON 3094 10037 3109 10054 3158 10014 3158 10011
3135 9974
TIME...MOT...LOC 0633Z 227DEG 33KT 3111 10034
DanielsSpecial weather statement, Apr 12, 2:15 AM CDT, 47 minutes before
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</html>Special weather statement, Apr 12, 2:20 AM CDT, 42 minutes before
Special Weather Statement National Weather Service San Angelo TX 220 AM CDT Sun Apr 12 2020 TXZ049-113-120800- Fisher TX-Jones TX- 220 AM CDT Sun Apr 12 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JONES AND NORTHERN FISHER COUNTIES UNTIL 300 AM CDT... At 220 AM CDT, Doppler radar was tracking a strong thunderstorm near Hobbs, or 16 miles east of Snyder, moving northeast at 40 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. This strong thunderstorm will be near... Rotan around 240 AM CDT. Other locations impacted by this storm include Hitson. LAT...LON 3296 10002 3291 9996 3258 10066 3296 10065 TIME...MOT...LOC 0720Z 227DEG 34KT 3277 10064 Daniels
Special weather statement, Apr 12, 2:40 AM CDT, 22 minutes before
Special Weather Statement
National Weather Service San Angelo TX
240 AM CDT Sun Apr 12 2020
TXZ064-065-071-072-076-120830-
Irion TX-Tom Green TX-Crockett TX-Coke TX-Sterling TX-
240 AM CDT Sun Apr 12 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN COKE...SOUTHERN
STERLING...NORTHWESTERN TOM GREEN...EASTERN CROCKETT AND IRION
COUNTIES UNTIL 330 AM CDT...
At 240 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles west of Sterling City to 10 miles
north of Terrell County Gas Plant. Movement was east at 30 mph.
Pea size hail and wind gusts of 50 to 55 mph will be possible with
these storms.
Strong thunderstorms will be near...
Sterling City around 300 AM CDT.
Broome around 320 AM CDT.
Water Valley around 330 AM CDT.
Other locations impacted by these storms include The Intersection Of
Us 190 And Highway 163, The Intersection Of Ranch Road 2083 And
Highway 405, I-10 Near The Crockett-Pecos County Line, Us-
87 Near The Coke-
Tom Green County Line, Ft Lancaster, The Intersection Of I-
10 And Highway 405 and The Intersection Of I-10 And Highway 290.
A Tornado Watch remains in effect until 800 AM CDT for west central
Texas.
LAT...LON 3041 10173 3047 10173 3047 10169 3055 10165
3062 10166 3066 10177 3076 10183 3108 10166
3108 10127 3177 10127 3188 10121 3188 10055
3034 10136
TIME...MOT...LOC 0740Z 273DEG 26KT 3178 10117 3052 10189
DanielsLocal storm report, Apr 12, 2:58 AM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
258 AM CDT SUN APR 12 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0218 AM HAIL ELDORADO 30.86N 100.60W
04/12/2020 E1.00 INCH SCHLEICHER TX AMATEUR RADIO
NICKEL TO QUARTER SIZE HAIL REPORTED.
&&
SJHThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 7:08 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Tom Green | 52 min |
| Apr 11, 7:10 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford, Throckmorton | 35 min |
| Apr 11, 7:33 PM CDT | Special Weather Statement | SJT | Runnels | 42 min |
| Apr 11, 7:38 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 37 min |
| Apr 11, 7:52 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Tom Green | 36 min |
| Apr 11, 8:26 PM CDT | Special Weather Statement | SJT | Concho | 49 min |
| Apr 11, 9:04 PM CDT | Special Weather Statement | SJT | Sterling | 41 min |
| Apr 11, 10:37 PM CDT | Special Weather Statement | SJT | Crockett | 38 min |
| Apr 11, 11:30 PM CDT | Special Weather Statement | SJT | Crockett | 45 min |
| Apr 12, 12:18 AM CDT | Special Weather Statement | SJT | Crockett | 42 min |
| Apr 12, 1:07 AM CDT | Severe Thunderstorm Warning | SJT | Crockett, Schleicher | 53 min |
| Apr 12, 1:28 AM CDT | Severe Thunderstorm Warning | SJT | Crockett | 62 min |
| Apr 12, 1:34 AM CDT | Special Weather Statement | SJT | Concho | 41 min |
| Apr 12, 1:35 AM CDT | Tornado Warning | SJT | Crockett, Schleicher, Sutton | 25 min |
| Apr 12, 1:58 AM CDT | Severe Thunderstorm Warning | SJT | Schleicher, Sutton, Tom Green | 62 min |
| Apr 12, 2:13 AM CDT | Tornado Warning | SJT | Schleicher | 13 min |
| Apr 12, 2:15 AM CDT | Special Weather Statement | SJT | Concho | 45 min |
| Apr 12, 2:19 AM CDT | Severe Thunderstorm Warning | SJT | Crockett | 56 min |
| Apr 12, 2:20 AM CDT | Special Weather Statement | SJT | Fisher | 40 min |
| Apr 12, 2:37 AM CDT | Areal Flood Advisory | SJT | Tom Green | 2 hr |
| Apr 12, 2:40 AM CDT | Special Weather Statement | SJT | Coke, Crockett, Irion, Sterling | 50 min |
| Apr 12, 3:01 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Crockett, Irion, Runnels, Schleicher, Sterling and 1 more | 59 min |
| Apr 12, 3:22 AM CDT | Special Weather Statement | SJT | Coke, Nolan | 38 min |
| Apr 12, 3:36 AM CDT | Severe Thunderstorm Warning | SJT | Concho, McCulloch, Menard | 54 min |
| Apr 12, 3:50 AM CDT | Tornado Warning | SJT | Concho, McCulloch | 25 min |
| Apr 12, 4:02 AM CDT | Special Weather Statement | SJT | Coleman, Runnels | 43 min |
| Apr 12, 4:08 AM CDT | Tornado Warning | SJT | McCulloch | 31 min |
| Apr 12, 4:13 AM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman, McCulloch, San Saba | 48 min |
| Apr 12, 4:47 AM CDT | Special Weather Statement | SJT | Brown, Coleman, McCulloch | 43 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.