Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 107, NWS Austin/San Antonio, TX

May 14, 1989Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 1989, 10:10 PM CDT for Dimmit County, Texas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: May 14, 1989, 10:10 PM CDT (03:10 UTC)
Expired: May 14, 1989, 11:00 PM CDT
In force: 50 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Dimmit 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, 3.2 hours before the alert went out and 283 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: 3662 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.7

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, May 14, 4:10 PM CDT, 6 hours before

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Special weather statement, May 14, 5:22 PM CDT, 4 hours 48 minutes before

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Special weather statement, May 14, 5:35 PM CDT, 4 hours 35 minutes before

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Special weather statement, May 14, 6:17 PM CDT, 3 hours 53 minutes before

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Special weather statement, May 14, 7:32 PM CDT, 2 hours 38 minutes before

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Special weather statement, May 14, 8:49 PM CDT, 1 hour 21 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
May 14, 7:45 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	60 min
May 14, 8:54 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	66 min
May 14, 10:55 PM CDT	Severe Thunderstorm Warning	EWX	La Salle	65 min
May 15, 12:33 AM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Llano	57 min
May 15, 1:32 AM CDT	Severe Thunderstorm Warning	EWX	Kendall	58 min
May 15, 2:02 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Hays, Travis	58 min
May 15, 3:46 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	59 min
May 15, 4:20 AM CDT	Flash Flood Warning	EWX	Bastrop, Caldwell, Travis	115 min
May 15, 4:55 AM CDT	Flash Flood Warning	EWX	Fayette, Lee	2 hr
May 15, 7:37 AM CDT	Tornado Warning	EWX	Jackson	38 min
May 15, 8:14 AM CDT	Tornado Warning	EWX	Victoria	46 min
May 15, 6:43 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	62 min

Nearby

Severe Thunderstorm Warnings in Texas, 1989 Every severe thunderstorm warning in 1989

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.