Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

May 9, 2021Mason County, Texas

NWS San Angelo, TX issued this special weather statement at May 9, 2021, 9:29 PM CDT for Mason County, Texas. It was in force for 46 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: May 9, 2021, 9:29 PM CDT (02:29 UTC)
Expired: May 9, 2021, 10:15 PM CDT
In force: 46 min
Issued by: NWS San Angelo, TX

County Mason County, TX

The radar

The Austin/San Antonio radar (KEWX), 146 km from the middle of the area, began a volume at 02:32 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 00:00Z, 2.5 hours before the alert went out and 209 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 5144 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 9, 8:28 PM CDT, 1 hour 1 minute earlier.

Area forecast discussion, May 9, 8:28 PM CDT, 1 hour 1 minute before

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Hazardous weather outlook, May 9, 2:50 PM CDT, 6 hours 39 minutes before

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In the hours before

Local storm report, May 9, 6:12 PM CDT, 3 hours 17 minutes before

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Local storm report, May 9, 6:23 PM CDT, 3 hours 6 minutes before

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Special weather statement, May 9, 6:46 PM CDT, 2 hours 43 minutes before

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Local storm report, May 9, 7:46 PM CDT, 1 hour 43 minutes before

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Local storm report, May 9, 7:51 PM CDT, 1 hour 38 minutes before

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Special weather statement, May 9, 9:29 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.

Issued	Product	Office	Counties	Lasted
May 9, 7:02 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	28 min
May 9, 7:30 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	45 min
May 10, 4:38 PM CDT	Special Weather Statement	SJT	Kimble	52 min
May 10, 4:46 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	59 min
May 10, 5:13 PM CDT	Special Weather Statement	SJT	McCulloch	47 min
May 10, 5:18 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	57 min
May 10, 5:21 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch	54 min
May 10, 5:51 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Mason, Menard	24 min
May 10, 6:15 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, McCulloch, San Saba	60 min
May 10, 6:39 PM CDT	Special Weather Statement	SJT	Brown	51 min
May 10, 6:50 PM CDT	Severe Thunderstorm Warning	SJT	Brown	40 min

Nearby

Special Weather Statements in Texas, 2021 Every 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.