Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 117, NWS Austin/San Antonio, TX

May 27, 1994Dimmit County, Webb County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1994, 2:42 PM CDT for Dimmit County, Webb County, Texas. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: May 27, 1994, 2:42 PM CDT (19:42 UTC)
Expired: May 27, 1994, 3:45 PM CDT
In force: 63 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

Counties Dimmit County, TX, Webb County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.7 hours before the alert went out and 190 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: 2387 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 611 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.6

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 27, 12:04 PM CDT, 2 hours 38 minutes before

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Special weather statement, May 27, 12:15 PM CDT, 2 hours 27 minutes before

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Special weather statement, May 27, 12:17 PM CDT, 2 hours 25 minutes before

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Local storm report, May 27, 2:11 PM CDT, 31 minutes before

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Local storm report, May 27, 2:12 PM CDT, 30 minutes before

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Special weather statement, May 27, 2:40 PM CDT, 2 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 26, 7:42 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	48 min
May 27, 8:10 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	50 min
May 27, 8:39 AM CDT	Severe Thunderstorm Warning	EWX	Kinney	66 min
May 27, 9:18 AM CDT	Tornado Warning	EWX	Kinney	57 min
May 27, 9:59 AM CDT	Severe Thunderstorm Warning	EWX	Uvalde, Zavala	61 min
May 27, 10:37 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	68 min
May 27, 10:53 AM CDT	Tornado Warning	EWX	Zavala	67 min
May 27, 11:58 AM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	62 min
May 27, 3:43 PM CDT	Severe Thunderstorm Warning	EWX	La Salle	62 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994 Every severe thunderstorm warning in 1994

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.