Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 79, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 1, 1990, 1:29 PM CDT for Bexar County, Texas. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Sep 1, 1990, 1:29 PM CDT (18:29 UTC)
- Expired
- Sep 1, 1990, 2:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bexar 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
Corpus Christi, TX (KCRP), launched 12:00Z, 6.5 hours before the alert went out and 223 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
- 1209 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 011834
SVRSAT
TXC029-011915-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
129 PM CDT SAT SEP 1 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...EASTERN BEXAR
AT 125 PM CDT HONDO RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN
BEXAR COUNTY WHICH WAS MOVING TO THE SOUTH AT AROUND 15 MILES AN HOUR.
STRONG GUSTY WINDS...BRIEF HEAVY RAIN...FREQUENT LIGHTNING AND
POSSIBLE HAIL CAN BE EXPECTED WHTIH THIS THUNDERSTORM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH ORl MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.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 1, 1:01 PM CDT, 28 minutes before
TXZ054-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 101 PM CDT SAT SEP 1 1990 AT 1255 PM CDT RADAR INDICATED STRONG THUNDERSTORMS MOVING INTO EASTERN VAL VERDE COUNTY AND WERE LOCATED FROM 20 MILES NORTHEAST OF DEL RIO TO LOMA ALTA. MOVEMENT WAS TO THE SOUTHWEST AT 20 MPH. HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. THESE STORMS WERE MOVING TOWARDS LAKE AMISTAD. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE PREPARED TO MOVE QUICKLY TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING. MOTORISTS TRAVELING IN EASTERN VAL VERDE C;OUNTY SHOULD EXERCISE CAUTION AS WET AND SLIPPERY ROADS ALONG WITH REDUCED VISIBILITY IN THE SHOWERS...COULD PRESENT A DRIVING HAZARD.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 7:47 PM CDT | Severe Thunderstorm Warning | EWX | Jackson, Victoria | 58 min |
| Aug 31, 8:05 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 55 min |
| Aug 31, 8:06 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Karnes | 69 min |
| Aug 31, 8:42 PM CDT | Severe Thunderstorm Warning | EWX | Wilson | 48 min |
| Aug 31, 9:41 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 49 min |
| Sep 1, 2:12 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 48 min |
| Sep 1, 2:14 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Karnes | 61 min |
| Sep 1, 2:41 PM CDT | Severe Thunderstorm Warning | EWX | Wilson | 64 min |
| Sep 1, 3:14 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 46 min |
| Sep 1, 3:17 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 58 min |
| Sep 1, 3:25 PM CDT | Tornado Warning | EWX | Bexar | 50 min |
| Sep 1, 3:47 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 43 min |
| Sep 1, 4:09 PM CDT | Severe Thunderstorm Warning | EWX | Hays, Travis | 66 min |
| Sep 1, 4:34 PM CDT | Severe Thunderstorm Warning | EWX | Lampasas | 41 min |
| Sep 1, 5:00 PM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 45 min |
| Sep 1, 5:20 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 40 min |
| Sep 1, 5:47 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 43 min |
| Sep 1, 6:11 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 49 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; the sounding from the Mesonet's radiosonde archive.