Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 1, 1990, 9:03 PM CDT for Hidalgo County, Texas. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Apr 1, 1990, 9:03 PM CDT (02:03 UTC)
- Expired
- Apr 1, 1990, 10:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Hidalgo 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 2.1 hours before the alert went out and 96 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
- 2164 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 020205 SVRBRO TXC215-020300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 903 PM CDT SUN APR 1 1990 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH TEXAS ...SOUTHERN HIDALGO COUNTY A SEVERE THUNDERSTORM 10 MILES WEST OF MISSION IS MOVING EAST SOUTHEAST AT 20 MPH. GOLF BALL SIZED HAIL WAS REPORTED FROM THIS STORM SHORTLY BEFORE 900 PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENFCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 1, 7:53 PM CDT, 1 hour 10 minutes before
TXZ041-042-043-020200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 752 PM CDT SUN APR 1 1990 AT 730 PM BROWNSVILLE WEATHER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN ABOUT 30 MILES NORTH OF MCCOOK AND ALSO ABOUT 30 MILES NORTH OF RIO GRANDE CITY. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MPH. BRIEF GUSTY WINDS ARE POSSIBLE FROM THESE THUNDERSTORMS. ALSO SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM THE FALCON LAKE AREA TO ABOUT 40 MILES SOUTHWEST OF THE LAKE. MOVEMENT WAS EAST AT 10 MPH. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED IN MEXICO ABOUT 50 MILES SOUTHWEST OF SAN FERNANDO. THIS THUNDERSTORM WAS MOVING LITTLE.
Special weather statement, Apr 1, 8:43 PM CDT, 20 minutes before
TXZ043-020245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 842 PM CDT SUN APR 1 1990 AT 830 PM BROWNSVILLE WEATHER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN NEAR THE RIVER ABOUT 25 MILES WEST OF MISSION AND ALSO JUST WEST OF SAN MANUEL. BRIEF GUSTY WINDS ARE POSSIBLE FROM THISE THUNDERSTORMS. MOVEMENT WAS TO THE SOUTHEAST AT 15 MPH.
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.