Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS San Angelo, TX

August 16, 2017Coke County, Texas

NWS San Angelo, TX issued this special weather statement at Aug 16, 2017, 10:21 PM CDT for Coke County, Texas. It was in force for 39 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: Aug 16, 2017, 10:21 PM CDT (03:21 UTC)
Expired: Aug 16, 2017, 11:00 PM CDT
In force: 39 min
Issued by: NWS San Angelo, TX

County Coke County, TX

The radar

The San Angelo radar (KSJT), 68 km from the middle of the area, began a volume at 03:23 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 00:00Z, 3.4 hours before the alert went out and 153 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: 689 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 2531 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 1 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 Aug 16, 6:50 PM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Aug 16, 6:50 PM CDT, 3 hours 31 minutes before

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Hazardous weather outlook, Aug 16, 2:53 PM CDT, 7 hours 28 minutes before

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In the hours before

Special weather statement, Aug 16, 6:37 PM CDT, 3 hours 44 minutes before

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Special weather statement, Aug 16, 7:17 PM CDT, 3 hours 4 minutes before

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Special weather statement, Aug 16, 8:00 PM CDT, 2 hours 21 minutes before

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Special weather statement, Aug 16, 8:46 PM CDT, 1 hour 35 minutes before

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Special weather statement, Aug 16, 8:51 PM CDT, 1 hour 30 minutes before

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Special weather statement, Aug 16, 10:21 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
Aug 16, 7:17 PM CDT	Special Weather Statement	SJT	Fisher	43 min
Aug 16, 7:25 PM CDT	Areal Flood Advisory	SJT	Fisher	50 min
Aug 16, 7:39 PM CDT	Areal Flood Advisory	SJT	Kimble, Menard	2 hr
Aug 16, 8:00 PM CDT	Special Weather Statement	SJT	Fisher	45 min
Aug 16, 8:46 PM CDT	Special Weather Statement	SJT	Taylor	44 min
Aug 16, 8:51 PM CDT	Special Weather Statement	SJT	Taylor	39 min
Aug 16, 9:31 PM CDT	Areal Flood Advisory	SJT	Nolan, Taylor	119 min
Aug 16, 10:31 PM CDT	Severe Thunderstorm Warning	SJT	Coke	29 min
Aug 16, 10:55 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Tom Green	35 min
Aug 16, 11:28 PM CDT	Special Weather Statement	SJT	Tom Green	47 min
Aug 17, 1:58 PM CDT	Special Weather Statement	SJT	Callahan	47 min
Aug 17, 2:14 PM CDT	Areal Flood Advisory	SJT	Callahan, Coleman	3 hr
Aug 17, 2:27 PM CDT	Special Weather Statement	SJT	McCulloch	48 min
Aug 17, 2:59 PM CDT	Areal Flood Advisory	SJT	McCulloch	3 hr
Aug 17, 3:04 PM CDT	Special Weather Statement	SJT	Runnels	26 min
Aug 17, 4:34 PM CDT	Special Weather Statement	SJT	Concho	41 min
Aug 17, 4:44 PM CDT	Areal Flood Advisory	SJT	Brown, Coleman	2 hr
Aug 17, 4:52 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	23 min
Aug 17, 5:08 PM CDT	Special Weather Statement	SJT	Runnels	37 min
Aug 17, 5:39 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	36 min
Aug 17, 6:31 PM CDT	Special Weather Statement	SJT	Tom Green	44 min
Aug 17, 6:53 PM CDT	Areal Flood Advisory	SJT	Tom Green	67 min
Aug 17, 6:58 PM CDT	Special Weather Statement	SJT	Crockett	47 min

Nearby

Special Weather Statements in Texas, 2017 Every special weather statement in 2017

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.