Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 1, 1990, 4:27 PM CST for Hays County, Travis County, Williamson County, Texas. It was in force for 63 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
- Feb 1, 1990, 4:27 PM CST (22:27 UTC)
- Expired
- Feb 1, 1990, 5:30 PM CST
- In force
- 63 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Hays County, TX, Travis County, TX, Williamson 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 1, 4:30 PM CST | Hail 1.5 | Hays, 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
Stephenville/Cla, TX (KSEP), launched 12:00Z, 10.5 hours before the alert went out and 210 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -152 m²/s²
- 0-3 km storm-relative helicity
- -50 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 012233
SVRAUS
TXC209-453-491-012330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
427 PM CST THU FEB 1 1990
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL TEXAS
...HAYS...TRAVIS...WILLIAMSON
THE LINE OF THUNDERSTORMS THAT IS MOVING EASTWARD ACROSS THESE
COUNTIES HAS PRODUCED WIND GUST TO 55 MPH AND REPORTS OF PEA TO MARBLE
SIZE HAIL.
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, Feb 1, 12:24 PM CST, 4 hours 3 minutes before
TXZ054-011930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1225 PM CST THU FEB 01 1990 AT 1220 PM CST AN AREA OF SHOWERS WITH EMBEDDED THUNDERSTORMS HAS DEVELOPED ACROSS VAL VERDE COUNTY AND EXTENDED FROM 50 MILES SOUTHWEST OF DEL RIO NORTH INTO SOUTHERN CROCKETT AND SUTTON COUNTIES. THE STRONGEST THUNDERSTORMS WAS LOCATED ABOUT 10 WEST OF DEL RIO AND NEAR LOMA ALTA. THE THUNDERSTORMS HAVE INCREASED IN STRENGHT DURING THE PAST HALF HOUR. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. BOATERS ON LAKE AMISTAD SHOULD THINK ABOUT SEEKING SHELTER IF NECESSARY. LIGHTNING CAN BE VERY DANGEROUS TO BOATER ON WATER. BRIEF STRONG SURFACE WINDS TO 30 MPH HAS OCCURRED AT THE WEATHER OYFFICE.
Special weather statement, Feb 1, 1:28 PM CST, 2 hours 59 minutes before
TXZ034>035-038>039-020000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 130 PM CST THU FEB 1 1990 ...THUNDERSTORMS REDEVELOPING OVER THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU... OVER THE PAST COUPLE OF HOURS...THUNDERSTORMS HAVE RAPIDLY REDEVELOPED OVER PORTIONS OF THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU. THESE STORMS ARE DEVELOPING IN A REGION THAT IS SEEING THE CLASHING OF WARM MOIST AIR TO THE EAST AND MUCH DRIER AIR TO THE WEST. ADDITIONALLY... INSTABILITY ASSOCIATED WITH A FAST-MOVING STRONG UPPER-LEVEL DISTURBANCE IS FUELING THE DEVELOPMENT. SOME LOCATIONS IN VAL VERDE COUNTY REPORTED PEA-SIZE HAIL...HEAVY RAIN AND STRONG GUSTY WIND AS THE STORMS MOVED ACROSS. RESIDENTS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS CAN EXPECT SIMILAR CONDITIONS AS THESE STORMS MOVE THROUGH DURING THE NEXT FEW HOURS. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE PROGRESS OF THESE STORMS. PLEASE STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Feb 1, 1:47 PM CST, 2 hours 40 minutes before
TXZ054-012045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 147 PM CST THU FEB 1 1990 AT 140 PM CST THUNDERSTORMS AND SHOWERS WERE IN EASTERN VAL VERDE COUNTY AND WERE EAST OF A LINE FROM NEAR DEL RIO TO LOMA ALTA. ANOTHER SMALL AREA OF THUNDERSTORMS WERE ALONG HIGHWAY 90 WEST NEAR LANGTRY. THE STRONGEST THUNDERSTORMS WERE 25 MILES SOUTHEAST OF DEL RIO TO EAGLE PASS. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. DURING THE THUNDERSTORM THAT MOVED THROUGH THE DEL RIO AREA EARLIER... THE DEL RIO NATIONAL WEATHER SERVICE RECORDED .13 INCH OF RAIN AND WINDS GUSTED TO 31 MPH. PEA SIZE HAIL WAS REPORTED NEAR LAKE AMISTAD AT THE SAN PEDRO ESTATES. BOATERS ON LAKE AMISTAD SHOULD CONTINUE TO REMAIN ALERT AND KEEP A WATCHFUL EYE FOR APPROACHING CLOUDS OR THREATENING WEATHER.
Special weather statement, Feb 1, 2:14 PM CST, 2 hours 13 minutes before
TXZ034>035-038>039-020000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 215 PM CST THU FEB 1 1990 ...THUNDERSTORMS CONTINUING TO INTENSIFY OVER THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU... A LINE OF THUNDERSTORMS HAS CONTINUED TO INTENSIFY OVER THE TEXAS HILL COUNTRY THIS AFTERNOON. WITHIN THE PAST HOUR...PEA-SIZE HAIL WAS REPORTED COVERING THE GROUND IN THE CITY OF JUNCTION. IN ADDITION... STRONG GUSTY WIND...POSSIBLY IN EXCESS OF 25 MILES AN HOUR...ALSO WAS REPORTED FROM THE STORMS AS THEY MOVED ACROSS JUNCTION. ANOTHER RECENT REPORT OF HAIL TO ONE-HALF INCH WAS RECEIVED FROM REAL COUNTY. THE LINE WAS MOVING EAST AT 35 MILES AN HOUR. AT 210 PM...RADAR INDICATED THE STRONGEST STORM WITHIN THE LINE TO BE MOVING INTO WESTERN DIMMIT COUNTY. INTENSIFICATION MAY CONTINUE FOR THE NEXT FEW HOURS AS FAVORABLE UPPER LEVEL WINDS FROM THE SOUTHWEST IMPINGE ON THE LINE OF STORMS. THE GREATEST THREAT WILL LIKELY BE HAIL AND STRONG WIND...BUT HEAVY RAIN AND FREQUENT LIGHTNING MAY ALSO ACCOMPANY THE STORMS. RESIDENTS ACROSS THE HILL COUNTRY AND ADJACENT PORTIONS OF SOUTH CENTRAL TEXAS SHOULD MONITOR THE PROGRESS OF THE STORMS. THE EXPECTED ARRIVAL TIME O@F THE LINE OF STORMS IN THE CITIES OF AUSTIN AND SAN ANTONIO MAY HAMPER RUSH HOUR TRAFFIC. PLEASE STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL UPDATES.
Special weather statement, Feb 1, 3:33 PM CST, 54 minutes before
TXZ030-034>037-011300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 330 PM CST THU FEB 01 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 9PM CST FOR PARTS OF CENTRAL AND EASTERN TEXAS... AT 325 PM CST A LINE OF VERY STRONG THUNDERSTORMS WITH HEAVY RAIN AND SOME SMALL HAIL ALREADY REPORTED WAS ABOUT 60 MILES WEST OF AUSTIN. THE LINE OF STORMS WAS FROM HONDO UP NORTH ACROSS FREDERICKSBURG TO SAM SABA TEXAS. THE STRONGEST STORM WAS IN LLANO COUNTY...THIS STORM WAS MOVING TOWARDS THE NORTHEAST AT 40 MILES AN HOUR. THESE STORMS ARE LIKELY TO GROW STRONGER DURING THE 330 TO 430 PM CST TIME. YOU SHOULD STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR LATER STATEMENT S AND POSSIBLE WARNINGS. WITHROW
Special weather statement, Feb 1, 4:19 PM CST, 8 minutes before
TXZ030-034>037-011300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 420 PM CST THU FEB 01 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 9PM CST FOR PARTS OF CENTRAL AND EASTERN TEXAS... AT 415 PM CST A LINE OF VERY STRONG THUNDERSTORMS WITH HEAVY RAIN ...SOME SMALL HAIL AND STRONG GUSTY WINDS WAS 30 MILES WEST OF AUSTIN. THE LINE OF STORMS WAS FROM SAN ANTONIO UP NORTH ACROSS MARBLE FALLS TO NORTH OF LAMPASAS. THE STRONGEST lSTORM WAS IN NORTHERN LAMPASAS COUNTY. THESE STORMS HAVE BEEN PRODUCING BRIEF PERIODS OF VERY HEAVY RAIN... PEA SIZE HAIL AND STRONG GUSTY WINDS. REMEMBER...LIGHTNING KILLS... WHEN A STORM APPROACHES YOUR LOCATION...TAKE COVER. WITHROW
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 3:02 PM CST | Severe Thunderstorm Warning | EWX | La Salle | 28 min |
| Feb 1, 3:10 PM CST | Tornado Warning | EWX | La Salle | 35 min |
| Feb 1, 3:38 PM CST | Tornado Warning | EWX | Atascosa, McMullen | 59 min |
| Feb 1, 3:49 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 41 min |
| Feb 1, 4:24 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe, Karnes, Wilson | 51 min |
| Feb 1, 5:02 PM CST | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 58 min |
| Feb 1, 5:02 PM CST | Severe Thunderstorm Warning | EWX | Lee, Milam | 58 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.