Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 85, NWS Austin/San Antonio, TX

May 9, 1989Edwards County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 1989, 7:03 PM CDT for Edwards County, Texas. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 9, 1989, 7:03 PM CDT (00:03 UTC)
Expired
May 9, 1989, 8:00 PM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Edwards County, TX

The radar

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

What was reported inside it

TimeReportWhereRemark
May 9, 7:35 PM CDTTornado F0Edwards, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.1 hours before the alert went out and 86 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-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1989-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4013 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1989-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
4013 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
2498 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:39 PM CDTTornado WarningEWXEdwards66 min
May 9, 8:30 PM CDTSevere Thunderstorm WarningEWXVal Verde60 min
May 9, 9:30 PM CDTSevere Thunderstorm WarningEWXVal Verde60 min
May 9, 10:20 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde55 min
May 9, 10:48 PM CDTTornado WarningEWXUvalde, Zavala57 min
May 9, 11:44 PM CDTTornado WarningEWXZavala61 min
May 10, 2:21 AM CDTSevere Thunderstorm WarningEWXBexar69 min
May 10, 3:49 AM CDTSevere Thunderstorm WarningEWXGonzales, Guadalupe56 min

Nearby

Severe Thunderstorm Warnings in Texas, 1989Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.