Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 11, NWS Austin/San Antonio, TX

March 30, 1990Kinney County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 30, 1990, 12:46 AM CST for Kinney County, Uvalde County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Mar 30, 1990, 12:46 AM CST (06:46 UTC)
Expired
Mar 30, 1990, 1:45 AM CST
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Kinney County, TX, Uvalde 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 00:00Z, 6.8 hours before the alert went out and 73 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1990-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1990-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
663 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1799 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 300651
SVRSAT
TXC271-463-300745-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1246 AM CST FRI MAR 30 1990
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
          ...KINNEY...UVALDE
 
AT 1245 AM CST...HONDO RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 10
MILES EAST OF BRACKETTVILLE.  ANOTHER SEVERE THUNDERSTORM WAS LOCATED
NEAR DEL RIO.  BOTH THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 20
MPH.
 
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 WARNINGS 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, Mar 29, 10:23 PM CST, 2 hours 23 minutes before
TXZ054-300600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1020 PM CDT THU MAR 29 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM FRIDAY FOR
VAL VERDE COUNTY TEXAS...

THUNDERSTORMS ARE REDEVELOPING OVER NORTHWESTERN VAL VERDE COUNTY AND
CONTINUE TO MOVE TO THE EAST AT 20 MPH. THESE STORMS ARE CAPABLE OF
PRODUCING STRONG GUSTY WINDS...BRIEF HEAVY RAIN... DANGEROUS LIGHTNING
STRIKES AND POSSIBLY HAIL AS THEY MOVE THROUGH THE AREA OVER THE NEXT
SEVERAL HOURS.

PERSONS IN THE AFFECTED AREA SHOULD REMAIN ALERT FOR THREATENING WEATHER
AS IT APPROACHES. MOTORISTS SHOULD WATCH FOR FLOODING OF LOW LYING ROADS
AND REDUCED VISIBILITIES IN THE VICINITY OF THESE STORMS.
Special weather statement, Mar 29, 10:42 PM CST, 2 hours 4 minutes before
TXZ034-035-038>041-300500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1043 PM CST THU MAR 29 1990

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR TEXAS HILL COUNTRY...
EDWARDS PLATEAU AND MUCH OF SOUTH CENTRAL TEXAS UNTIL 200 AM FRIDAY...

THE WATCH IS IN EFFECT ALONG AND WEST OF A LINE FROM GEORGETOWN TO
LAGRANGE TO GONZALES TO LAREDO.  THE SAN ANTONIO METROPOLITAN AREA IS
INCLUDED IN THE WATCH.

AT 1035 PM CST...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED IN AN
AREA FROM NEAR KERRVILLE TO SONORA TO DEL RIO AND BACK TO KERRVILLE.
SOME OF THE STORMS WERE PRODUCING VERY HEAVY RAIN.  THEY WERE MOVING TO
THE EAST AT 20 MPH.

THE MOST RAPIDLY DEVELOPING STORMS...AS WELL AS THE MOST INTENSE RAIN...
HAD FORMED BETWEEN JUNO AND DEL RIO IN VAL VERDE COUNTY IN THE PAST HALF
HOUR.  THESE STORMS APPEARED TO BE FORMING INTO A NORTH-SOUTH ORIENTED
LINE AND WOULD LIKELY BE MOVING INTO WESTERN EDWARDS...KINNEY AND
MAVERICK COUNTIES WITHIN THE NEXT HOUR.

ALTHOUGH NO SEVERE WEATHER HAS YET BEEN REPORTED IN THE THUNDERSTORMS...
THE POSSIBILITY EXISTS FOR THEM TO PRODUCING DAMAGING WINDS AND LARGE
HAIL.  BRIEF HEAVY RAIN...WINDS GUSTING TO 35 MPH AND VERY FREQUENT AND
DEADLY LIGHTNING HAVE BEEN REPORTED IN THE ACTIVITY SO FAR.
Special weather statement, Mar 29, 11:13 PM CST, 1 hour 33 minutes before
TXZ030-034>035-300630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1110 PM CST THU MAR 29 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM FOR TRAVIS AND
SURROUNDING COUNTIES...

AT 1100 PM...RADAR SHOWED AN AREA OF SHOWERS WITH A FEW EMBEDDED
THUNDERSTORMS FROM SAN SABA...LAKE BUCHANAN TO FREDERICKSBURG.
THE STORMS ARE MOVING TO THE EAST AT 25 MPH AND DECREASING IN INTENSITY
IN THE PAST HOUR.

HOWEVER THE THREAT FOR SEVERE WEATHER CONTINUES AS THE REDEVELOPMENT
OF THUNDERSTORMS CONTINUES FURTHER TO THE WEST.

PERSONS IN AND NEAR THE WATCH AREA SHOULD CONTINUE TO MONITOR THE
WEATHER FOR FURTHER STATEMENTS OR WARNING CONDITIONS.
Special weather statement, Mar 29, 11:31 PM CST, 1 hour 15 minutes before
TXZ034-035-038>041-300700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1130 PM CST THU MAR 29 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT WEST OF A LINE FROM GEORGETOWN TO
LAGRANGE TO GONZALES TO LAREDO UNTIL 200 AM FRIDAY...

SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE
INDICATED BY SATELLITE AND RADAR BETWEEN JUNCTION AND DEL RIO AT 1120 PM
THIS EVENING.  THE STORMS WERE MOVING TO THE EAST AT 20 MPH.

THE MOST INTENSE ACTIVITY WAS ALONG THE KINNEY-VAL VERDE COUNTY LINE...
JUST TO THE EAST OF DEL RIO.  THIS STORM PRODUCED MARBLE-SIZED HAIL THAT
COVERED THE GROUND AS IT MOVED ACROSS COMSTOCK EARLIER THIS EVENING.  THE
STORMS COULD BE CAPABLE OF PRODUCING EVEN LARGER HAIL...AS WELL AS
DAMAGING WINDS AND VERY DEADLY LIGHTNING.  NEARLY 1 INCH OF RAIN WAS
RECORDED AT JUNCTION IN UNDER ONE HOUR...INDICATING THAT BRIEF BUT VERY
HEAVY RAINFALL IS POSSIBLE IN THE STORMS.  THEY WILL BE MOVING ,TO NEAR
A ROCKSPRINGS-BRACKETTVILLE LINE WITHIN THE NEXT HOUR.
Special weather statement, Mar 30, 12:02 AM CST, 44 minutes before
TXZ054-300800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1205 AM CST FRI MAR 30 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM FRIDAY FOR
VAL VERDE COUNTY TEXAS...

THUNDERSTORMS CONTINUE OVER MOST OF VAL VERDE COUNTY. THESE STORMS
CONTINUE TO MOVE TO THE EAST SOUTHEAST AT 25 MPH...AND ARE CAPABLE
OF PRODUCING STRONG GUSTY WINDS...BRIEF HEAVY RAIN... DANGEROUS
LIGHTNING STRIKES AND POSSIBLY HAIL AS THEY MOVE THROUkGH THE AREA OVER
THE NEXT FEW HOURS.

STREET FLOODING IS LIKELY IN LOW LYING AREAS. MOTORISTS SHOULD REMAIN
ALERT AND SLOW DOWN ON WET STREETS.
Special weather statement, Mar 30, 12:03 AM CST, 43 minutes before
TXZ034-035-038>041-300700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1205 AM CST FRI MAR 30 1990

...SEVERE THUNDERSTORM WARNING FOR KINNEY COUNTY UNTIL 1245 AM CST...
...SEVERE THUNDERSTORM WATCH IN EFFECT WEST OF A LINE FROM GEORGETOWN TO
LAGRANGE TO GONZALES TO LAREDO UNTIL 200 AM CST...

NEAR MIDNIGHT...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE LOCATED FROM JUNCTION TO BRACKETTVILLE TO DEL RIO AND
BACK TO JUNCTION.  THE STORMS WERE MOVING TO THE EAST AT 30 MPH.

RADAR HAD INDICATED A POSSIBLE SEVERE THUNDERSTORM 20 MILES NORTHWEST
OF BRACKETTVILLE SHORTLY BEFORE MIDNIGHT.  THIS STORM HAD PRODUCED
MARBLE-SIZED HAIL THAT COVERED THE GROUND AT COMSTOCK.  THE STORM COULD
PRODUCE LARGE HAIL AS WELL AS DAMAGING WINDS AND VERY HEAVY RAINFALL.
PERSONS IN AND NEAR THE PATH OF THIS STORM SHOULD TAKE SHELTER INDOORS
IN A WELL-BUILT BUILDING OR HOUSE...AND STAY AWAY FROM WINDOWS AND
DOORlS.

HEAVY RAIN COULD CAUSE BRIEF FLOODING OF LOW AREAS OR POORLY DRAINED
AREAS...SO MOTORISTS SHOULD AVOID DRIVING INTO ANY DEEP WATER.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 10:55 PM CSTSevere Thunderstorm WarningEWXVal Verde60 min
Mar 29, 11:44 PM CSTSevere Thunderstorm WarningEWXKinney61 min
Mar 30, 1:47 AM CSTSevere Thunderstorm WarningEWXUvalde, Zavala58 min
Mar 30, 2:55 AM CSTSevere Thunderstorm WarningEWXZavala65 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.