Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX
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.
- 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
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.