Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 5, 1990, 11:01 PM CDT for Lampasas County, Texas. It was in force for 44 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
- Apr 5, 1990, 11:01 PM CDT (04:01 UTC)
- Expired
- Apr 5, 1990, 11:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lampasas 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 |
|---|---|---|---|
| Apr 5, 11:15 PM CDT | Hail 1.5 | Lampasas, 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 00:00Z, 4.0 hours before the alert went out and 115 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
- 1723 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1551 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAUS 060411 RRA
SVRAUS
TXC281-060445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1101 PM CDT THU APR 5 1990
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL TEXAS
...NORTHERN LAMPASAS
AT 1105 PM RADAR INDICATED A SEVERE THUNDERSTORM MOVING ACROSS NORTH
LAMPASAS COUNTY AND WILL LIKELY MOVE ACROSS THE AREA NEAR ADAMSVILLE.
THIS THUNDERSTORM HAS PRODUCED UP TO GOLFBALL SIZE HAIL AS IT MOVED
ACROSS MILLS COUNTY. THIS STORM IS MOVING EAST SOUTHEAST AT ABOUT
25 MPH.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.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, Apr 5, 8:03 PM CDT, 2 hours 58 minutes before
TXZ035>039-045>047-054-060500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 800 PM CDT THU APR 5 1990 ...STORMY AND COLDER WEATHER HEADED FOR SOUTH TEXAS... A STRONG LATE SEASON COLD FRONT STRETCHING ACROSS NORTH TEXAS WAS MOVING STEADILY SOUTH TOWARD SOUTH TEXAS EARLY TONIGHT. SEVERE THUNDERSTORMS WERE DEVELOPING AHEAD AND ALONG THE COLD FRONT WITH A FEW OF THE STORMS SPAWNING TORNADOES IN NORTH TEXAS. A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR THE NORTH PORTIONS OF THE TEXAS HILL COUNTRY...AND COULD BE EXPANDED SOUTH INTO SOUTH CENTRAL AND SOUTHEAST TEXAS LATER TONIGHT. IN ADDITION TO THE STORMY WEATHER...GUSTY NORTH WINDS OF 30 TO 40 MPH WERE BEING REPORTED BEHIND THE COLD FRONT. TEMPERATURES WERE DROPPING AN AVERAGE OF 15 AND 20 DEGREES BEHIND THE FRONT. THUNDERSTORMS...SOME SEVERE...ARE EXPECTED TO DEVELOP LATER TONIGHT AND EARLY FRIDAY MORNING IN SOUTH TEXAS AS THE COLD AIR COLLIDES WITH THE VERY MOIST AND UNSTABLE AIR OVER THE AREA. PERSONS IN ALL OF SOUTH CENTRAL AND SOUTHEAST TEXAS SHOULD REMAIN TUNED TO WEATHER DEVELOPMENTS AS THE RISK OF SEVERE WEATHER WILL BE HIGH. BEFORE GOING TO BED TONIGHT...YOU SHOULD CHECK THE LATEST WEATHER BULLETINS OR FORECASTS.
Special weather statement, Apr 5, 8:05 PM CDT, 2 hours 56 minutes before
TXZ030-060300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 755 PM CDT THU APR 6 1990 A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR MILLS...SAN SABA AND LAMPASAS COUNTIES. AT 740 PM RADAR INDICATED THUNDERSTORMS FROM NEAR COLEMAN NORTHEAST TO NEAR FORT WORTH. SOME OF THESE THUNDERSTORMS HAVE PRODUCED SEVERE WEATHER ACROSS PARTS OF NORTH TEXAS. THESE STORMS WERE MOVING EAST HOWEVER THUNDERSTORMS COULD DEVELOPE FUTHER SOUTH DURING THE EVENING. PEOPLE IN AND NEAR THE WATCH AREA SHOULD KEEP A CLOSE WATCH ON THE WEATHER AND LISTEN FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Apr 5, 9:10 PM CDT, 1 hour 51 minutes before
TXZ030-060300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 905 PM CDT THU APR 6 1990 A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR MILLS...SAN SABA AND LAMPASAS COUNTIES. AT 850 PM RADAR INDICATED THUNDERSTORMS WERE DEVELOPING FUTHER TO THE WEST AND SOUTHWEST NEAR THE COLD FRONT MOVING SOUTHEAST THROUGH NORTHERN AREAS OF THE STATE. THIS LINE OF THUNDERSTORMS EXTENDED FROM NEAR SAN ANGELO TO NORTH OF BROWNWOOD TO THE FORT WORTH AREA. THIS LINE OF THUNDERSTORMS HAS PRODUCED SEVERE WEATHER ACROSS NORTH TEXAS. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT NEAR 15 MPH WHILE THE THUNDERSTORMS IN THE LINE WAS MOVING EAST AT NEAR 25 MPH. PEOPLE IN AND NEAR THE WATCH ,AREA SHOULD KEEP A CLOSE WATCH ON THE WEATHER AND LISTEN FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Apr 5, 10:22 PM CDT, 39 minutes before
TXZ034>039-054-060500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 1022 PM CDT THU APR 5 1990 ...STRONG THUNDERSTORMS MOVING TOWARD THE TEXAS HILL COUNTRY... A COLD FRONT CONTINUED TO PUSH SOUTHWARD TONIGHT...MOVING THROUGH THE SAN ANGELO AREA AT AROUND 930 PM. WIND GUSTS OF 56 MPH WERE REPORTED AT SAN ANGELO WHEN THE FRONT MOVED THROUGH. STRONG THUNDERSTORMS EXTENDING FROM SOUTH OF SAN ANGELO TO NEAR WACO WERE MOVING SOUTHEAST TOWARD THE HILL COUNTRY AT 25 MPH. A TORNADO WATCH REMAINS IN EFFECT FOR THE NORTH PORTIONS OF THE HILL COUNTRY...AND THE WATCH MAY BE EXTENDED SOUTH WITHIN THE NEXT HOUR OR TWO. THUNDERSTORMS...SOME SEVERE...ARE EXPECTED TO DEVELOP AND MOVE INTO SOUTH CENTRAL TEXAS NEAR OR AFTER MIDNIGHT. LOOSE OBJECTS SHOULD BE STORED AWAY OR SECURED TONIGHT AS THEY WILL LIKELY BE BLOWN AWAY OR BECOME AIRBORNE BY THE STRONG NORTH WINDS. PERSONS IN SOUTH CENTRAL TEXAS SHOULD STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER DEVELOPMENTS AND KEEP ALERT FOR APPROACHING THUNDERSTORMS FROM THE NORTH.
Special weather statement, Apr 5, 10:32 PM CDT, 29 minutes before
TXZ054-060500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1030 PM CDT THU APR 05 1990 AT 1025 PM CDT THE LATE SEASON COLD FRONT THAT STRETCHED ACROSS NORTH CENTRAL TEXAS CONTINUES TO MOVE SOUTH. THE FRONT PASSED THROUGH SAN ANGELO SHORTLY BEFORE 10PM. SEVERE THUNDERSTORMS WERE DEVELOPING AHEAD OF THIS FRONTAL SYSTEM. THE CURRENT FORWARD SPEED OF THE FRONT SHOULD BRING IT THROUGH THE DEL RIO AREA AN HOUR OR TWO AFTER MIDNIGHT. STRONG GUSTY WIND OF 30 TO 50 MPH ALONG WITH ONE INCH HAIL WERE REPORTED BY THE SAN ANGELO WEATHER OFFICE BEHIND THE FRONT. BOATERS ON LAKE AMISTAD AND LOCAL RIVERS SHOULD BE ALERT FOR THE LIKELYHOOD OF SUDDEN VERY HIGH WINDS AS THE FRONT PASSES THROUGH THE LAKE AREA. HEAVY RAIN AND SOME LARGE HAIL ARE POSSIBLE WITH THE THUNDERSTORMS ALONG THE FRONT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 10:22 PM CDT | Severe Thunderstorm Warning | EWX | Mills | 68 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.