An isolated severe thunderstorm produced wind damage in Tom Green County.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SJT wrote it up.
An isolated severe thunderstorm produced wind damage in Tom Green County.
The local office's own words before the first event, 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 the first event at May 13, 6:10 PM CST, 3 hours 9 minutes earlier.
Area Forecast Discussion National Weather Service San Angelo TX 710 PM CDT Wed May 13 2020 .AVIATION... /00Z TAFS/ Expect two flight weather challenges this evening and overnight. First, is the threat of severe thunderstorms. All but the Junction terminal include this evening's thunderstorm. Then, watch for returning stratus overnight to create MVFR to perhaps IFR conditions, across most of West Central Texas. Conditions should return to VFR, by Thursday afternoon. && .PREV DISCUSSION... /issued 228 PM CDT Wed May 13 2020/ SHORT TERM... (Tonight and Thursday) ..Severe Weather Possible Late this Afternoon through Tonight... Afternoon visible satellite imagery shows streaks of cumulus across the region. Observations indicate that the dry-line is stretching NNE to SSW across the Permian Basin, with dewpoints in the mid 40s to the west of the dry-line, and dewpoints in the low 60s to the east of it. Models indicate that the dry-line will sharpen up further this afternoon, resulting in increasing surface convergence. Meanwhile, an upper level short-wave trough will be approaching from the west. This short-wave is weak, but lift and instability should be strong enough by late afternoon for isolated storms to develop along the dry-line. Hi-res models are showing varying scenarios regarding the evolution of thunderstorms late this afternoon through the late evening hours. Some show potentially widespread storms moving through our forecast area, while others show only a couple isolated storms at best. It all depends on whether there will be enough lift from the upper level short-wave trough to overcome the mid-level capping inversion in our region. ML CAPEs will still be above 3000 J/KG, so large hail (to very large hail west of a Rotan to Ozona line) will be possible. Damaging winds could also occur, and a tornado cannot be ruled out due to strong veering the low levels. SPC's latest day 1 convective outlook shows an Enhanced Risk northwest of a Throckmorton to Sweetwater line and a Slight Risk over pretty much the rest of our forecast area. The trough axis and will be east of our area by early Thursday morning, and any lingering storms over our eastern counties should be ending by sunrise. Thursday will likely be warmer, with highs in the upper 80s to low 90s, as the 850mb thermal ridge strengthens over the region. Morning low clouds should clear out by afternoon, with strong instability forecast once again. However, with the lack of a lifting mechanism, storms are unlikely to develop along the dry-line over our western counties, except maybe an isolated storm or two. Right now, chances are too low to include in the forecast. SJH LONG TERM... (Thursday Night through Wednesday) Looks like Friday afternoon through Saturday will be active with showers and thunderstorms due a slow moving upper level disturbance and lots of moisture(PW values around 1.5 inches). For Friday afternoon, the combination of a dryline to our west and strong instability will probably fire off scattered thunderstorms. These storms will move east into our area and become more widespread Friday night into Saturday morning. A few storms may be severe mainly late Friday afternoon and evening. Also, heavy rainfall may produce localize flooding. Going with likely Pops across the central and southern parts of the area Friday night and southeast counties Saturday. An upper level low develops just to our east By Saturday night and Sunday. The best moisture and lift should remains to our east, however will continue slight to chance Pops for Saturday night and Sunday across the eastern half of the area. Will go with a mainly dry forecast for early next week as our area is on the back side of the low with no source of significant lift. However, there is the possibility of a few afternoon and evening thunderstorms Monday through Wednesday. Otherwise, expect warm and humid conditions through much of the long term. 21 && .PRELIMINARY POINT TEMPS/POPS... Abilene 66 91 70 89 / 40 0 0 20 San Angelo 68 93 71 91 / 40 0 0 30 Junction 67 89 69 88 / 40 5 0 30 Brownwood 66 88 69 89 / 60 5 0 30 Sweetwater 66 92 70 89 / 50 10 10 20 Ozona 66 89 69 86 / 30 5 5 30 && .SJT WATCHES/WARNINGS/ADVISORIES... None. &&
Hazardous Weather Outlook National Weather Service San Angelo TX 446 PM CDT Wed May 13 2020 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-142200- 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- 446 PM CDT Wed May 13 2020 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...Tonight Strong to severe thunderstorms may develop this afternoon and tonight. Hazards include very large hail, damaging winds, deadly lightning, and possibly a tornado. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Expect thunderstorms again Friday afternoon into Saturday morning. Some may be strong to severe. Plan for large hail, damaging winds, and deadly lightning. Also, heavy rainfall may result in localized flooding. .SPOTTER INFORMATION STATEMENT... We may need to activate spotters late this afternoon and tonight. Please relay any information about observed weather to the NWS while following all local, state and CDC guidelines.
Special Weather Statement
National Weather Service San Angelo TX
729 PM CDT Wed May 13 2020
TXZ076-140115-
Crockett TX-
729 PM CDT Wed May 13 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CROCKETT COUNTY
UNTIL 815 PM CDT...
At 728 PM CDT, Doppler radar was tracking a strong thunderstorm near
Iraan, or 17 miles north of Sheffield, moving northeast at 40 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
This storm will remain over mainly rural areas of northeastern
Crockett County, including the following locations... I-10 Near The
Crockett-Pecos County Line.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west central Texas.
LAT...LON 3108 10173 3108 10125 3082 10113 3071 10181
3081 10183 3082 10185 3086 10185 3089 10189
3092 10187 3093 10191 3097 10196
TIME...MOT...LOC 0028Z 239DEG 49KT 3095 10181Special Weather Statement
National Weather Service San Angelo TX
856 PM CDT Wed May 13 2020
TXZ076-140230-
Crockett TX-
856 PM CDT Wed May 13 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL CROCKETT COUNTY
UNTIL 930 PM CDT...
At 855 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles northwest of Pandale, or 29 miles south of Sheffield, moving
east at 30 mph.
Penny size hail and wind gusts up to 50 mph will be possible with
this storm.
This storm will remain over mainly rural areas of south central
Crockett County.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west central Texas.
LAT...LON 3029 10176 3033 10174 3034 10171 3034 10166
3036 10166 3039 10170 3039 10169 3036 10135
3029 10136 3028 10150
TIME...MOT...LOC 0155Z 277DEG 69KT 3030 10164The San Angelo radar (KSJT), 32 km away, was scanning. The volume nearest the first event began at 03:16 UTC.
1 thunderstorm wind. Local standard time, as filed.
The public reported a steel frame structure and porta potties knocked down at the intersection of FM 380 and North 4th Road near Mereta.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2020Every state in 2020This day in weather historyWarnings in Texas, May 2020
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 892327.