Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX

March 11, 1990Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 11, 1990, 12:00 AM CST for Val Verde County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 11, 1990, 12:00 AM CST (06:00 UTC)
Expired
Mar 11, 1990, 1:00 AM CST
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde 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, 6.0 hours before the alert went out and 66 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 1990-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 896 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 1990-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897Sfc1 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
896 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 10, 7:32 PM CST, 4 hours 28 minutes before
TXZ054-110300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
725 PM CST SAT MAR 10 1990

...TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST THIS EVENING FOR
VAL VERDE COUNTY...

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES EAST SOUTHEAST OF SANDERSON TEXAS TO 60
MILES NORTHEAST OF BIG SPRINGS TEXAS.

TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM
WINDS ARE POSSIBLE IN THESE AREAS.

AT 715 PM CST NUMEROUS SHOWERS AND THUNDERSTORMS REMAINED OVER PARTS OF
SOUTH TEXAS FROM THE RIO GRANDE RIVER BETWEEN DRYDEN AND LANGTRY
EXEXENDING NORTH ALONG THE PECOS RIVER TO SHEFIELD THEN NORTHEAST
BETWEEN MIDLAND AND SAN ANGELO. THE STRONGEST THUNDERSTORMS WERE LOCATED
NEAR DRYDEN AND NORTH OF PANDALE AND JUST WEST OF LANGTRY.  AND THE
THE THUNDERSTORMS WERE RAPIDLY INCREASING AND THEN DECREASING IN
STRENGTH.  THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 10, 9:26 PM CST, 2 hours 34 minutes before
TXZ054-110400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
926 PM CST SAT MAR 10 1990

...TORNADO WATCH FOR VAL VERDE COUNTY IS NO LONGER IN EFFECT...

VAL VERDE COUNTY HAS BEEN DROPPED FROM THE TORNADO WATCH
AREA...HOWEVER CROCKETT AND SUTTON COUNTIES TO THE NORTH OF VAL
VERDE COUNTY REMAINS IN THE TORNADO WATCH AREA.

AT 920 PM CST RADAR INDICATED SHOWERS BETWEEN COMSTOCK AND LAKE AMISTAD
AND ALONG THE DEVILS RIVER. A LARGE AREA OF THUNDERSTORMS AND SHOWERS
WERE LOCATED FROM NEAR OZONA TO SAN ANGELO. MOVEMENT WAS TO THE
NORTHEAST AT 25 MPH.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
CONTINUE TO KEEP AN ON THE WEATHER AND MOVE TO SHORE IF THE UWEATHER
BECOMES THREATENING.
Special weather statement, Mar 10, 10:59 PM CST, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1059 PM CST SAT MAR 10 1990
TXZ054-110400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1055 PM CST SAT MAR 10 1990

RADAR HAS DETECTED LINE OF STRONG THUNDERSTORMS THAT FORMED IN MEXICO
TO THE WEST THROUGH SOUTHWEST OF DEL RIO.  THESE STORMS ARE MOVING
TOWARD THE NORTHEAST AT ABOUT 30  MPH TOWARD DEL RIO AND BRACKETVILLE.

PERSONS IN VAL VERDE AND KINNEY COUNTIES SHOULD BE ON THE ALERT
FOR STRONG WINDS...BREIF HEAVY RAIN AND POSSIBLE SMALL HAIL AS THE
STORMS CROSS THE RIVER INTO TEXAS.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
BE ON THE ALERT AND MOVE TO SAFE HARBOR IF THREATENING IS OBSERVERED.
Special weather statement, Mar 10, 11:03 PM CST, 57 minutes before
TXZ054-110500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1055 PM CST SAT MAR 10 1990

RADAR HAS DETECTED LINE OF STRONG THUNDERSTORMS THAT FORMED IN MEXICO
TO THE WEST THROUGH SOUTHWEST OF DEL RIO.  THESE STORMS ARE MOVING
TOWARD THE NORTHEAST AT ABOUT 30  MPH TOWARD DEL RIO AND BRACKETVILLE.

PERSONS IN VAL VERDE AND KINNEY COUNTIES SHOULD BE ON THE ALERT
FOR STRONG WINDS...BREIF HEAVY RAIN AND POSSIBLE SMALL HAIL AS THE
STORMS CROSS THE RIO GRANDE RIVER INTO TEXAS.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
BE ON THE ALERT AND MOVE TO SAFE HARBOR IF THREATENING WEATHER IS
OBSERVERED
Special weather statement, Mar 10, 11:58 PM CST, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1156 PM CST SAT MAR 10 1990
TXZ038-054-110800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1150 PM CST SAT MAR 10 1990

AT 1150 PM A LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING TOWARD
EDWARDS...KINNEY AND MAVERICK COUNTIES.  THESE SHOWERS AND
THUNDERSTORMS WERE LOCATED FROM ABOUT 40 MILES WEST OF EAGLE PASS
TO NEAR DEL RIO AND MOVING NORTHEAST AROUND 30 MILES AN HOUR.

PERSONS IN EDWARDS...KINNEY AND MAVERICK COUNTIES MAY EXPERIENCE
PERIODS OF HEAVY RAIN...STRONG WINDS...POSSIBLE HAIL AND FREQUENT
LIGHTNING FROM THE STRONGER THUNDERSTORMS IN THE NEXT FEW HOURS.

ANY OUTDOOR INTERESTS...SUCH AS BOATE@RS...FISHERMAN...NIGHT WATCHPERSONS
AND PATROL OFFICERS SHOULD BE ON THE ALERT AND MOVE TO A SAFER PLACE
IF THREATENING WEATHER IS OBSERVED.
Special weather statement, Mar 10, 11:59 PM CST, 1 minute before
TXZ038-054-110800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1150 PM CST SAT MAR 10 1990

AT 1150 PM A LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING TOWARD
EDWARDS...KINNEY AND MAVERICK COUNTIES.  THESE SHOWERS AND
THUNDERSTORMS WERE LOCATED FROM ABOUT 40 MILES WEST OF EAGLE PASS
TO NEAR DEL RIO AND MOVING NORTHEAST AROUND 30 MILES AN HOUR.

PERSONS IN EDWARDS...KINNEY AND MAVERICK COUNTIES MAY EXPERIENCE
PERIODS OF HEAVY RAIN...STRONG WINDS...POSSIBLE HAIL AND FREQUENT
LIGHTNING FROM THE STRONGER THUNDERSTORMS IN THE NEXT FEW HOURS.

ANY OUTDOOR INTERESTS...SUCH AS BOATERS...FISHERMAN...NIGHT WATCHPERSONS
AND PATROL OFFICERS SHOULD BE ON THE ALERT AND MOVE TO A SAFEBR PLACE
IF THREATENING WEATHER IS 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.