Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 10, NWS San Angelo, TX

May 2, 1990Irion County, Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 2, 1990, 9:31 PM CDT for Irion County, Tom Green County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
May 2, 1990, 9:31 PM CDT (02:31 UTC)
Expired
May 2, 1990, 10:30 PM CDT
In force
59 min
Issued by
NWS San Angelo, TX
Area
Whole counties

Counties Irion County, TX, Tom Green 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

Del Rio, TX (KDRT), launched 00:00Z, 2.5 hours before the alert went out and 221 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 1990-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1990-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 7:25 PM CDTFlash Flood WarningSJTKimble2 hr
May 2, 8:53 PM CDTSevere Thunderstorm WarningSJTIrion, Tom Green67 min
May 2, 10:57 PM CDTFlash Flood WarningSJTKimble5 hr
May 3, 4:03 AM CDTFlash Flood WarningSJTKimble4 hr
May 3, 7:57 AM CDTFlash Flood WarningSJTKimble6 hr
May 3, 4:27 PM CDTFlash Flood WarningSJTKimble12 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.