Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 165, NWS Austin/San Antonio, TX

November 15, 1987Calhoun County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 15, 1987, 10:25 PM CST for Calhoun County, Texas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: Nov 15, 1987, 10:25 PM CST (04:25 UTC)
Expired: Nov 15, 1987, 11:15 PM CST
In force: 50 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Calhoun County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 00:00Z, 4.4 hours before the alert went out and 53 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: 3472 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Nov 15, 5:00 PM CST, 5 hours 25 minutes before

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Special weather statement, Nov 15, 8:18 PM CST, 2 hours 7 minutes before

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Special weather statement, Nov 15, 9:55 PM CST, 30 minutes before

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Special weather statement, Nov 15, 10:07 PM CST, 18 minutes before

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The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 16, 1:08 AM CST	Severe Thunderstorm Warning	EWX	Maverick	67 min
Nov 16, 1:21 AM CST	Severe Thunderstorm Warning	EWX	Bandera, Kerr, Real	69 min
Nov 16, 2:05 AM CST	Severe Thunderstorm Warning	EWX	Gillespie	55 min
Nov 16, 2:31 AM CST	Severe Thunderstorm Warning	EWX	Bandera, Uvalde	59 min
Nov 16, 2:56 AM CST	Severe Thunderstorm Warning	EWX	Burnet, Llano	64 min
Nov 16, 2:58 AM CST	Severe Thunderstorm Warning	EWX	Medina	62 min
Nov 16, 2:58 AM CST	Severe Thunderstorm Warning	EWX	Kendall	62 min
Nov 16, 3:20 AM CST	Severe Thunderstorm Warning	EWX	McMullen	55 min
Nov 16, 3:34 AM CST	Severe Thunderstorm Warning	EWX	Bexar	56 min
Nov 16, 3:38 AM CST	Severe Thunderstorm Warning	EWX	Frio	67 min
Nov 16, 3:55 AM CST	Tornado Warning	EWX	Bexar	65 min
Nov 16, 5:04 AM CST	Severe Thunderstorm Warning	EWX	Karnes	56 min
Nov 16, 5:30 AM CST	Severe Thunderstorm Warning	EWX	DeWitt	60 min
Nov 16, 7:04 AM CST	Severe Thunderstorm Warning	EWX	Victoria	56 min
Nov 16, 7:36 AM CST	Tornado Warning	EWX	Jackson	54 min

Nearby

Severe Thunderstorm Warnings in Texas, 1987 Every severe thunderstorm warning in 1987

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.