Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 92, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 10, 1990, 5:35 PM CDT for Val Verde County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1990, 5:35 PM CDT (22:35 UTC)
- Expired
- Sep 10, 1990, 6:35 PM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde 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 12:00Z, 10.6 hours before the alert went out and 66 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.
- Mixed-layer CAPE
- 196 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 102231 SVRDRT TXC465-102335- BULETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DEL RIO TX 535 PM CDT MON SEP 10 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 635 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE AT 530 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 60 MILES NORTHWEST OF DEL RIO. MOVEMENT WAS TO THE SOUTH AT 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Sep 10, 4:07 PM CDT, 1 hour 28 minutes before
TXZ054-102200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 410 PM CDT MON SEP 10 1990 AT 405 PM CDT RADAR INDICATED THUNDERSTORMS WITH HAIL AND HEAVY RAIN 35 MILES NORTH OF DEL RIO...N5EAR LOMA ALTA. THESE STORMS WERE MOVING TO THE SOUTH AT 10 MPH. STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING CAN ALSO BE EXPECTED WITH THESE STORMS.
Special weather statement, Sep 10, 4:50 PM CDT, 45 minutes before
TXZ039-102300- BULLETIN URBAN FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 450 PM CDT MON SEP 10 1990 A LINE OF THUNDERSTORMS WITH VERY HEAVY RAINS...GUSTY WINDS AND FREQUENT LIGHTNING WILL BE MOVING SOUTHWARD ACROSS THE SAN ANTONIO METROPOLITAN AREA DURING DURING THE RUSH HOURS. SOME LOW WATER CROSSINGS WILL BE FLOODED...SO MOTORISTS ARE URGED TO WATCH FOR FLOODED ROADS AND REDUCE VISIBILITIES. THE RAIN SHOULD BE COMPLETED THROUGH T-HE AREA BY 600 PM.
Special weather statement, Sep 10, 5:13 PM CDT, 22 minutes before
TXZ054-102315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 515 PM CDT MON SEP 10 1990 AT 510 PM CDT RADAR INDICATED THUNDERSTORMS FROM 10 MILES NORTH TO 70 MILES NORTHWEST OF DEL RIO. aTHESE STORMS WERE MOVING TO THE SOUTH AT 20 MPH. HEAVY RAIN AND STRONG GUSTY WINDS HAVE BEEN REPORTED AT LAKE AMISTAD. BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD SEEK SAFE HARBOR.
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.