Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 71, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 2, 1990, 5:03 PM CDT for Hays County, Texas. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1990, 5:03 PM CDT (22:03 UTC)
- Expired
- Aug 2, 1990, 6:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Hays 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
Stephenville/Cla, TX (KSEP), launched 12:00Z, 10.1 hours before the alert went out and 240 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
- 1182 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAUS 022208 SVRAUS TXC209-022300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN TX 503 PM CDT THU AUG 2 1990 THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...HAYS COUNTY SEVERE THUNDERSTORMS ARE MOVING OVER HAYS COUNTY TO THE NORTH AT 20 MPH. REPORTS IN THE SAN MARCOS AREA HAVE BEEN RECEIVED OF WIND GUSTS TO NEAR 50 MPH ALONG WITH DOWNED TREE LIMBS AND ELECTRIC WIRES. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 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 DON'T 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, Aug 2, 12:44 PM CDT, 4 hours 19 minutes before
TXZ034-035-038-039-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1245 PM CDT THU AUG 2 1990 SHOWERS AND THUNDERSTORMS ARE MOVING NORTHWARD ACROSS ATASCOSA COUNTY TOWARD SOUTHERN BEXAR COUNTY. OTHER SHOWERS AND THUNDERSTORMS ARE LOCATED FROM WEBB COUNTY NORTHWARD INTO DIMMIT...LASALLE...MCMULLEN... ZAVALA AND FRIO COUNTIES. MOVEMENT IS NORTHWARD TOWARD UVALDE AND MEDINA COUNTIES. BOATERS AND FISHERMEN ON AREA LAKES SHOULD BE ALERT FOR APPROACHING WEATHER AND BE READY TO MOVE AWAY FROM THE WATER TO A PLACE OF SAFETY IF LIGHTNING IS SEEN OR THUNDER HEARD. GOLFERS ON LOCAL COURSES SHOULD ALSO BE AWARE OF THREATENING WEATHER AND FIND SHELTER IF CONDITIONS WARRANT. DUE TO SLOW MOVEMENT OF THESE STORMS...SOME LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING OF LOW-WATER CROSSINGS...CREEKS AND LOW-LYING AREAS ADJACENT TO ROADS AND HIGHWAYS COULD OCCUR. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED DURING THE AFTERNOON AS WEATHER CONDITIONS WARRANT...SO PLEASE STAY TUNED.
Special weather statement, Aug 2, 3:55 PM CDT, 1 hour 8 minutes before
TXZ034-035-038-039-030000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 355 PM CDT THU AUG 2 1990 A LARGE AREA OF SHOWERS AND THUNDERSTORMS IS MOVING NORTHWARD FROM MCMULLEN...LASALLE...FRIO...ATASCOSA...WILSON AND KARNES COUNTIES INTO MEDINA...BEXAR AND GUADALUPE COUNTIES. ANOTHER AREA IS LOCATED IN KINNEY AND UVALDE COUNTIES...MOVING TOWARD EDWARDS AND REAL COUNTIES. DUE TO SLOW MOVEMENT OF THESE STORMS...SOME LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING OF LOW-WATER CROSSINGS...CREEKS AND LOW-LYING AREAS... AS WELL AS ROADS AND HIGHWAYS COULD OCCUR. THESE STORMS WILL MOVE INTO THE SAN ANTONIO METROPOLITAN AREA DURING THE HEIGHT OF THE RUSH HOUR... SO MOTORISTS SHOULD BE PREPARED FOR WET SLICK STREETS AND DELAYS. DRIVERS SHOULD NOT ATTEMPT TO CROSS FLOODED LOW-WATER CROSSINGS. PARENTS SHOULD KEEP CHILDREN AWAY FROM FLOOD DRAINAGE DITCHES AND RAPIDLY FLOWING CREEKS. BOATERS AND FISHERMEN SHOULD MOVE INLAND AND AWAY FROM THE WATER. GOLFERS SHOULD MOVE INSIDE TO SHELTER IF LIGHTNING IS SEEN OR THUNDER HEARD. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED DURING THE AFTERNOON AS WEATHER CONDITIONS WARRANT...SO PLEASE STAY TUNED.
Special weather statement, Aug 2, 4:48 PM CDT, 15 minutes before
BULLETIN URBAN FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 446 PM CDT THU AUG 2 1990 ...HEAVY RAINS ACROSS PORTIONS OF SAN ANTONIO... A LINE OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING ACROSS THE SAN ANTONIO METROPOLITAN AREA DUMPING LARGE AMOUNTS OF RAIN IN SOME LOCATIONS. WIND GUST TO NEAR 45 MILES AN HOUR WERE RECORDED AT THE WEATHER OFFICE AT THE AIRPORT ALONG WITH OVER THREE-QUARTERS OF AN INCH OF RAIN WITHIN 30 MINUTES. LOCALIZED FLOODING OF LOW WATER CROSSINGS AS WELL AS ROADS AND STREETS IN THE CITY OF SAN ANTONIO ARE LIKELY DURING THE NEXT HOUR. MOTORISTS ARE URGED TO DRIVE WITH EXTREME CAUTION AND NOT ATTEMPT TO DRIVE ACROSS FLOODED ROADS. PARENTS SHOULD KEEP CHILDREN AWAY FROM FLOOD DRAINAGE DITCHES AND SWOLLEN CREEKS. THE HEAVY RAINS ARE EXPECTED TO DECREASE WITHIN THE NEXT HOUR AS THE STORMS CONTINUE TO MOVE NORTH AT 20 MILES AN HOUR. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS SOURCES FOR LATER bWEATHER DEVELOPMENTS.
Special weather statement, Aug 2, 4:51 PM CDT, 12 minutes before
TXZ039-030000- BULLETIN URBAN FLOOD STATEMENT ...CORRECTION TO ADD GENERIC CODING... NATIONAL WEATHER SERVICE SAN ANTONIO TX 446 PM CDT THU AUG 2 1990 ...HEAVY RAINS ACROSS PORTIONS OF SAN ANTONIO... A LINE OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING ACROSS THE SAN ANTONIO METROPOLITAN AREA DUMPING LARGE AMOUNTS OF RAIN IN SOME LOCATIONS. WIND GUST TO NEAR 45 MILES AN HOUR WERE RECORDED AT THE WEATHER OFFICE AT THE AIRPORT ALONG WITH OVER THREE-QUARTERS OF AN INCH OF RAIN WITHIN 30 MINUTES. LOCALIZED FLOODING OF LOW WATER CROSSINGS AS WELL AS ROADS AND STREETS IN THE CITY OF SAN ANTONIO ARE LIKELY DURING THE NEXT HOUR. MOTORISTS ARE URGED TO DRIVE WITH EXTREME CAUTION AND NOT ATTEMPT TO DRIVE ACROSS FLOODED ROADS. PARENTS SHOULD KEEP CHILDREN AWAY FROM FLOOD DRAINAGE DITCHES AND SWOLLEN CREEKS. THE HEAVY RAINS ARE EXPECTED TO DECREASE WITHIN THE NEXT HOUR AS THE STORMS CONTINUE TO MOVE NORTH AT 20 MILES AN HOUR. STAY TUlNED TO NOAA WEATHER RADIO OR LOCAL NEWS SOURCES FOR LATER WEATHER DEVELOPMENTS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 9:11 PM CDT | Flash Flood Warning | EWX | Dimmit, Maverick | 3 hr |
| Aug 2, 11:15 AM CDT | Flash Flood Warning | EWX | Val Verde | 6 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.