Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 17, 1990, 5:59 PM CDT for Real County, Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 17, 1990, 5:59 PM CDT (22:59 UTC)
- Expired
- Apr 17, 1990, 7:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real 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, 11.0 hours before the alert went out and 111 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
- 1142 J/kg
- Mixed-layer CIN
- -249 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 172302 RRA
SVRSAT
TXC385-180000-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
559 PM CDT TUE APR 17 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...REAL
AT 555 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN HONDO TEXAS
INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHWEST OF LEAKEY MOVING
SOUTHEAST AT 10 MILES AN HOUR.
PERIODS OF HEAVY RAIN...STRONG WINDS...FREQUENT LIGHTNING AND SOME HAILCAN BE EXPECTED FROM THIS THUNDERSTORM OVER REAL COUNTY FOR THE NEXT
HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
WHEN A THUNDERSTORM THREATENS...SEEK SHELTER INSIDE A HOME OR
BUILDING AWAY FROM DOORS AND WINDOWS. REFRAIN FROM USING ELECTRICAL
APPLIANCES.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINbGS REGARDING THIS SEVERE WEATHER EVENT.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 17, 2:50 PM CDT, 3 hours 9 minutes before
TXZ034>035-038-039-054-172045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 245 PM CDT TUE APR 17 1990 ...THUNDERSTORMS CONTINUE TO DEVELOP ACROSS THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU... AT 230 PM CDT THIS AFTERNOON...WEATHER SERVICE RADAR INDICATED AN AREA OF THUNDERSTORMS...SOME WITH HEAVY RAIN...BETWEEN COMSTOCK...JUNCTION AND SONORA. THE STORMS HAVE FORMED ALONG A COLD FRONT THAT STRETCHED FROM JUST NORTHWEST OF DEL RIO TO NEAR TEMPLE. BOTH THE FRONT AND THE AREAS OF THUNDERSTORMS WERE GENEARLLY MOVING TO THE SOUTHEAST AT 15 MPH. BECAUSE THE COLD FRONT WAS PUSHING INTO VERY UNSTABLE AIR OVER SOUTH CENTRAL TEXAS...THE THUNDERSTORMS COULD BECOME SEVERE AS AFTERNOON HEATING FURTHER DESTABILIZES THE ATMOSPHERE. SOME OF THE THUNDERSTORMS WILL PRODUCE BRIEF BUT VERY HEAVY RAIN...DEADLY LIGHTING AND POSSIBLY SOME HIGH WINDS AND LARGE HAIL. < PLEASE STAY TUNED FOR ADDITIONAL STATEMENTS TO BE ISSUED THROUGHOUT THE AFTERNOON AND EVENING HOURS.
Special weather statement, Apr 17, 3:33 PM CDT, 2 hours 26 minutes before
TXZ054-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 333 PM CDT TUE APR 17 1990 AT 325 PM CDT RADAR INDICATED THUNDERSTORMS AND SHOWERS FROM 15 MILES NORTHWEST OF DEL RIO TO LOMA ALTA TO NEAR ROCKSPRINGS. THE STRONGEST THUNDERSTORMS WITH HEAVY RAIN WERE 5 MILES NORTHEAST OF LOMA ALTA TO NORTH OF ROCKSPRINGS. MOVEMENT WAS TO THE EAST AT 10 MPH. SMALL HAIL...HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE STORMS. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE PREPARED TO MOVE TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING. STAY TUNED TO YOUR LOCAL RADIO...TV STATIONS AND NOAA WEATHER RADIO FOR FURTHER INFORMATION.
Special weather statement, Apr 17, 3:53 PM CDT, 2 hours 6 minutes before
TXZ034-035-038-039-054-172200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 352 PM CDT TUE APR 17 1990 SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS CONTINUED AT 345 PM THIS AFTERNOON BETWEEN JUNCTION AND DEL RIO. THE HEAVIEST RAIN WAS INDICATED JUST WEST OF ROCKSPRINGS IN EDWARDS COUNTY AND JUST SOUTH OF JUNCTION IN WESTERN KERR COUNTY. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST VERY SLOWLY. THE AIRMASS OVER CENTRAL TEXAS IS VERY UNSTABLE THIS AFTERNOON...THAT WILL ALLOW THE THUNDERSTORMS TO PRODUCE VERY HEAVY RAINFALL AS THEY TRACK SOUTHEASTWARD. A THREAT OF ISOLATED SEVERE WEATHER ALSO EXISTS... AS THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WIND AIND LARGE HAIL. ANY REPORTS OF SEVERE WEATHER SHOULD BE CALLED TO THE NEAREST LAW ENFORCEMENT AGENCY...FOR LOCAL ACTION AND RELAY TO THE NATIONAL WEATHER SERVICE.
Special weather statement, Apr 17, 4:30 PM CDT, 1 hour 29 minutes before
TXZ054-172230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 435 PM CDT TUE APR 17 1990 AT 430 PM CDT SEVERAL REPORTS OF UNCONFIRMED FUNNEL CLOUDS WERE RECEIVED FROM THE LAKE AMISTAD AREA. HEAVY RAIN WAS OBSERVED AT THE DEL RIO INTERNATIONAL AIRPORT. RADAR INDICATED THUNDERSTORMS FROM 15 MILES NORTHWEST OF DEL RIO TO LOMA ALTA TO NEAR ROCKSPRINGS. MOVEMENT WAS TO THE EAST AT 10 MPH. SMALL HAIL...HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE STORMS. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE PREPARED TO MOVE TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING. STAY TUNED TO YOUR LOCAL RADIO...TV STATIONS AND NOAA WEATHER RADIO FOR FURTHER INFORMATION.
Special weather statement, Apr 17, 5:53 PM CDT, 6 minutes before
TXZ054-180000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 555 PM CDT TUE APR 17 1990 AT 550 PM CDT THUNDERSTORMS WITH RAINSHOWERS AND WINDS GUSTING TO 25 MPH WERE OBSERVED AT THE DEL RIO INTERNATIONAL AIRPORT. RADAR ALSO INDICATED A LINE OF THUNDERSTORMS FROM 50 MILES SOUTHWEST OF DEL RIO TO 75 MILES NORTHEAST OF DEL RIO. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 10 MPH. SOME STREETS AND LOW LYING AREAS IN THE DEL RIO AREAK ARE FLOODED NOW AND ADDITIONAL FLOODING MAY OCCUR. MOTORISTS SHOULD USE CAUTION APPROACHING LOW WATER CROSSINGS.
Special weather statement, Apr 17, 5:57 PM CDT, 2 minutes before
TXZ034-035-038-039-054-180100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 535 PM CDT TUE APR 17 1990 SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WERE OBSERVED BY HONDO RADAR...AT 530 PM CDT...EXTENDING FROM SOUTHWEST OF EAGLE PASS NORTHEASTWARD TO NORTH OF JOHNSON CITY. THESE THUNDERSTORMS WERE MOVING TO THE SOUTH- EAST...THROUGH THE TEXAS HILL COUNTRY...AT AROUND 10 MILES AN HOUR. AT THE PRESENT RATE OF MOVEMENT...THE THUNDERSTORMS COULD BE AFFECTING THE SAN ANTONIO METROPOLITAN AREA EARLY THIS EVENING. AT THE JUNCTION AIRPORT 1.19 INCHES OF RAIN HAS FALLEN SO FAR THIS AFTERNOON. RAINFALL ESTIMATES OVER THE TEXAS HILL COUNTRY FROM SATELLITE DATA INDICATED THAT AMOUNTS OF AROUND TWO INCHES HAVE FALLEN OVER EDWARDS COUNTY THIS AFTERNOON WHILE KIMBLE AND KERR COUNTIES HAVE HAD ESTIMATES OF ONE TO TWO INCHES. DURING THE PAST 2 HOURS ESTIMATES OF ONE INCH WERE INDICATED IN REAL COUNTRY. MOIST...UNSTABLE AIR OVER SOUTH CENTRAL TEXAS WILL PRODUCE HEAVY RAINFALL AS THESE THUNDERSTORMS MOVE THROUGH THE AREA TONIGHT. A THREAT OF ISOLATED SEVERE WEATHER CONTINUES TO EXIST WITH THE POTENTIAL OF DAMAGING WIND AND LARGE HAIL. PERSONS IN SOUTH CENTRAL\ TEXAS SHOULD REMAIN ALERT AND NOTIFY THE NEARESET LAW ENFORCEMENT AGENCY OR THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE SHOULD ANY SEVERE WEATHER BE OBSERVED.
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.