Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 45, NWS Lubbock, TX

July 27, 1990Lubbock County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jul 27, 1990, 4:00 PM CDT for Lubbock County, Texas. It was in force for 60 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
Jul 27, 1990, 4:00 PM CDT (21:00 UTC)
Expired
Jul 27, 1990, 5:00 PM CDT
In force
60 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Lubbock 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
Jul 27, 4:02 PM CDTThunderstorm Wind 63Lubbock, 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.0 hours before the alert went out and 180 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, Amarillo Airport, TX at 12:00Z on 1990-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 joules per kilogram.LCLLFCEL10008507005003002001001 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, Amarillo Airport, TX at 12:00Z on 1990-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
355 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
47 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.

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, Jul 27, 2:34 PM CDT, 1 hour 26 minutes before
{TXZ007>012-272130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
230 PM CDT FRI JUL 27 1990

...SHOWERS AND THUNDERSTORMS DEVELOP OVER THE TEXAS SOUTH PLAINS...

AT 225 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
THUNDERSTORMS DEVELOPING OVER THE SOUTH PLAINS...SOME WITH LOCALLY
HEAVY RAINFALL. THE STRONGEST THUNDERSTORMS WERE LOCATED 8 MILES NORTH
OF TOKIO IN NORTHERN YOAKUM COUNTY...2 MILES SOUTH OF WHITEFACE IN
SOUTHEAST COCHRAN COUNTY AND 8 MILES SOUTH OF LUBBOCK IN LUBBOCK
COUNTY.

MOVEMENT WAS NORTH AT 10 MPH.

THE SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS MAY PRODUCE LOCALLY
HEAVY RAIN ALONG WITH STRONG GUSTY WIND...DANGEROUS LIGHTNING AND
POSSIBLY SOME SMALL HAIL.
STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 4:23 PM CDTSevere Thunderstorm WarningLUBCrosby67 min
Jul 27, 6:15 PM CDTFlash Flood WarningLUBLubbock117 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.