Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

September 28, 2021Schleicher County, Texas

NWS San Angelo, TX issued this special weather statement at Sep 28, 2021, 2:49 PM CDT for Schleicher County, Texas. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 28, 2021, 2:49 PM CDT (19:49 UTC)
Expired
Sep 28, 2021, 3:30 PM CDT
In force
41 min
Issued by
NWS San Angelo, TX
Hail
0.50 in
Wind
50

County Schleicher County, TX

The radar

The San Angelo radar (KSJT), 37 km from the middle of the area, began a volume at 19:49 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 nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.8 hours before the alert went out and 191 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 2021-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1637 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 2021-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.193958Sfc1 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
1637 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1079 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Sep 28, 2:29 PM CDT, 20 minutes earlier.

Area forecast discussion, Sep 28, 2:29 PM CDT, 20 minutes before
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Hazardous weather outlook, Sep 28, 2:32 PM CDT, 17 minutes before
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In the hours before

Special weather statement, Sep 28, 2:16 PM CDT, 33 minutes before
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Special weather statement, Sep 28, 2:22 PM CDT, 27 minutes before
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Special weather statement, Sep 28, 2:23 PM CDT, 26 minutes before
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Special weather statement, Sep 28, 2:34 PM CDT, 15 minutes before
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Special weather statement, Sep 28, 2:45 PM CDT, 4 minutes before
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Special weather statement, Sep 28, 2:49 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 2:16 PM CDTSpecial Weather StatementSJTThrockmorton14 min
Sep 28, 2:22 PM CDTSpecial Weather StatementSJTMcCulloch68 min
Sep 28, 2:23 PM CDTSpecial Weather StatementSJTTom Green52 min
Sep 28, 2:34 PM CDTSpecial Weather StatementSJTSchleicher41 min
Sep 28, 2:45 PM CDTSpecial Weather StatementSJTCoke45 min
Sep 28, 2:52 PM CDTSpecial Weather StatementSJTMcCulloch68 min
Sep 28, 3:05 PM CDTAreal Flood AdvisorySJTMcCulloch, Menard115 min
Sep 28, 3:17 PM CDTSpecial Weather StatementSJTNolan, Taylor43 min
Sep 28, 3:22 PM CDTSpecial Weather StatementSJTRunnels38 min
Sep 28, 3:27 PM CDTAreal Flood AdvisorySJTSchleicher, Tom Green2 hr
Sep 28, 3:32 PM CDTSpecial Weather StatementSJTSchleicher43 min
Sep 28, 3:35 PM CDTSpecial Weather StatementSJTTom Green40 min
Sep 28, 3:42 PM CDTSpecial Weather StatementSJTSan Saba63 min
Sep 28, 3:58 PM CDTSpecial Weather StatementSJTMenard47 min
Sep 28, 4:04 PM CDTSpecial Weather StatementSJTColeman41 min
Sep 28, 4:07 PM CDTSpecial Weather StatementSJTNolan38 min
Sep 28, 4:18 PM CDTSpecial Weather StatementSJTColeman42 min
Sep 28, 4:41 PM CDTSpecial Weather StatementSJTJones49 min
Sep 28, 5:03 PM CDTSpecial Weather StatementSJTCallahan42 min
Sep 28, 5:17 PM CDTAreal Flood AdvisorySJTMcCulloch, Mason, San Saba118 min
Sep 28, 5:23 PM CDTSpecial Weather StatementSJTMason37 min
Sep 28, 6:31 PM CDTAreal Flood AdvisorySJTMason119 min
Sep 28, 6:57 PM CDTSpecial Weather StatementSJTMason48 min

Nearby

Special Weather Statements in Texas, 2021Every special weather statement in 2021

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.