Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 174, NWS San Angelo, TX

June 30, 2020Fisher County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 30, 2020, 4:46 PM CDT for Fisher County, Texas. It was in force for 59 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: Jun 30, 2020, 4:46 PM CDT (21:46 UTC)
Expired: Jun 30, 2020, 5:45 PM CDT
In force: 59 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Fisher County, TX

The radar

The Dyess AFB radar (KDYX), 110 km from the middle of the area, began a volume at 21:51 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

Midland Regional, TX (KMAF), launched 12:00Z, 9.8 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-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: 744 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 2167 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 30, 2:39 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 30, 2:39 PM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, Jun 30, 2:46 PM CDT, 2 hours before

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In the hours before

Local storm report, Jun 30, 1:52 PM CDT, 2 hours 54 minutes before

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Local storm report, Jun 30, 2:15 PM CDT, 2 hours 31 minutes before

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Local storm report, Jun 30, 2:38 PM CDT, 2 hours 8 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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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
Jun 29, 7:00 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	45 min
Jun 29, 7:10 PM CDT	Special Weather Statement	SJT	Irion	35 min
Jun 29, 7:19 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	41 min
Jun 29, 7:23 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Tom Green	37 min
Jun 29, 7:29 PM CDT	Special Weather Statement	SJT	Taylor	46 min
Jun 29, 7:39 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	51 min
Jun 29, 8:00 PM CDT	Special Weather Statement	SJT	Tom Green	15 min
Jun 29, 8:08 PM CDT	Special Weather Statement	SJT	Taylor	22 min
Jun 29, 8:13 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Runnels, Taylor	47 min
Jun 29, 8:18 PM CDT	Special Weather Statement	SJT	Coke	27 min
Jun 29, 8:25 PM CDT	Areal Flood Advisory	SJT	Shackelford	65 min
Jun 29, 8:59 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	46 min
Jun 29, 9:05 PM CDT	Areal Flood Advisory	SJT	Taylor	115 min
Jun 29, 9:09 PM CDT	Special Weather Statement	SJT	Callahan	51 min
Jun 29, 9:39 PM CDT	Flash Flood Warning	SJT	Runnels, Taylor	81 min
Jun 29, 9:53 PM CDT	Special Weather Statement	SJT	Coleman	37 min
Jun 30, 3:18 AM CDT	Heat Advisory	SJT	Brown, Callahan, Coke, Coleman, Concho, Fisher and 14 more	40 hr
Jun 30, 3:59 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	19 min
Jun 30, 4:22 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	23 min
Jun 30, 4:39 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every 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.