Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 129, NWS San Angelo, TX

May 27, 2020Kimble County, Mason County, Menard County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 27, 2020, 6:34 PM CDT for Kimble County, Mason County, Menard County, Texas. It was in force for 56 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
May 27, 2020, 6:34 PM CDT (23:34 UTC)
Expired
May 27, 2020, 7:30 PM CDT
In force
56 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kimble County, TX, Mason County, TX, Menard County, TX

The radar

The San Angelo radar (KSJT), 113 km from the middle of the area, began a volume at 23:37 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.

IssuedProductOfficeLasted
May 27, 1:47 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.6 hours before the alert went out and 190 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2020-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 994 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2020-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
994 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 2:47 PM CDTSpecial Weather StatementSJTCallahan43 min
May 27, 2:56 PM CDTSpecial Weather StatementSJTConcho49 min
May 27, 3:05 PM CDTSevere Thunderstorm WarningSJTConcho, Runnels55 min
May 27, 3:14 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels, Taylor61 min
May 27, 3:18 PM CDTSevere Thunderstorm WarningSJTBrown, Callahan, Coleman57 min
May 27, 3:50 PM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford55 min
May 27, 3:55 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch, Menard65 min
May 27, 4:04 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman, McCulloch, Runnels56 min
May 27, 4:28 PM CDTSevere Thunderstorm WarningSJTCallahan17 min
May 27, 4:34 PM CDTSpecial Weather StatementSJTBrown41 min
May 27, 4:39 PM CDTSevere Thunderstorm WarningSJTMcCulloch, Mason, Menard, San Saba66 min
May 27, 4:56 PM CDTSevere Thunderstorm WarningSJTColeman, McCulloch35 min
May 27, 5:12 PM CDTSpecial Weather StatementSJTMills48 min
May 27, 5:24 PM CDTSpecial Weather StatementSJTMenard51 min
May 27, 5:28 PM CDTSevere Thunderstorm WarningSJTSan Saba50 min
May 27, 5:37 PM CDTSevere Thunderstorm WarningSJTKimble, McCulloch, Mason, San Saba53 min
May 27, 6:17 PM CDTSpecial Weather StatementSJTMason43 min
May 27, 6:43 PM CDTSpecial Weather StatementSJTKimble47 min
May 27, 6:53 PM CDTSevere Thunderstorm WarningSJTKimble, Menard67 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.