Alert archive / Texas / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 49, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 17, 1992, 5:38 AM CDT for McMullen County, Texas. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Apr 17, 1992, 5:38 AM CDT (10:38 UTC)
- Expired
- Apr 17, 1992, 6:30 AM CDT
- In force
- 52 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County McMullen County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 10.6 hours before the alert went out and 139 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
- 2258 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 171039 SVRSAT TXC311-171130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 538 AM CDT FRI APR 17 1992 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...MCMULLEN COUNTY NATIONAL WEATHER SERVICE RADAR WAS INDICATING A SEVERE THUNDERSTORM IN MCMULLEN COUNTY THAT WAS CARRYING A SIGNATURE KNOWN TO BE ASSOCIATED WITH VERY HIGH AND POSSIBLY DAMAGING WIND. THE AREA OF GREATEST CONCERN IS ABOUT 10 MILES NORTH OF TILDEN. MOVEMENT OF THE STORM WAS NORTHEAST AT 20 MILES AN HOUR. THE STORM WILL PASS OVER CHOKE CANYON LAKE IN THE NEXT HOUR. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE.
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, 12:28 AM CDT, 5 hours 10 minutes before
TXZ054-170730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1230 AM CDT FRI APR 17 1992 AT 1225 AM CDT THUNDERSTORMS WITH FREQUENT DANGEROUS LIGHTNING WERE OBSERVED AT THE DEL RIO INTERNATIONAL AIRPORT. RADAR ALSO INDICATED A LARGE AREA OF THUNDERSTORMS STRETCHING FROM 75 MILES SOUTHEAST TO 50 MILES WEST OF DEL RIO. LITTLE MOVEMENT WAS NOTED WITH THESE STORMS. SOME LOW WATER CROSSINGS AND LOW LYING AREAS MAY BE FLOODED. MOTORISTS ARE URGED TO SLOW DOWN AND USE CAUTION WHEN APPROACHING LOW WATER CROSSINGS. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT.
Special weather statement, Apr 17, 4:19 AM CDT, 1 hour 19 minutes before
TXZ054-171030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 420 AM CDT FRI APR 17 1992 AT 415 AM CDT THUNDERSTORMS WITH FREQUENT DANGEROUS LIGHTNING WERE OBSERVED AT THE DEL RIO INTERNATIONAL AIRPORT. RADAR ALSO INDICATED A LARGE AREA OF THUNDERSTORMS WITH HEAVY RAIN FROM 75 MILES SOUTHWEST OF DEL RIO TO JUNCTION AND SOUTH TO NEAR LAREDO. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. SOME LOW WATER CROSSINGS AND LOW LYING AREAS MAY BE FLOODED. MOTORISTS ARE URGED TO SLOW DOWN AND USE CAUTION WHEN APPROACHING LOW WATER CROSSINGS. STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR FURTHER STATEMENTS OR WARNINGS.
Special weather statement, Apr 17, 5:30 AM CDT, 8 minutes before
TXZ054-171130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 530 AM CDT FRI APR 17 1992 AT 525 AM CDT RADAR INDICATED THE THUNDERSTORMS HAD MOVED EAST OF VAL VERDE COUNTY. ANOTHER AREA OF THUNDERSTORMS WERE IN MEXICO FROM 50 SOUTH TO 75 MILES WEST OF DEL RIO. MOVEMENT WAS TO THE NORTHEAST AT 20 MPH. SINCE MIDNIGHT THE DEL RIO NATIONAL WEATHER WEATHER SERVICE OFFICE RECORDED .30 INCHES OF RAIN AND WIND GUSTS TO 30 MPH. SOME LOW WATER CROSSINGS AND LOW LYING AREAS MAY BE FLOODED. MOTORISTS ARE URGED TO SLOW DOWN AND USE CAUTION WHEN APPROACHING LOW WATER CROSSINGS. STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR FURTHER STATEMENTS OR WARNINGS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 7:15 PM CDT | Flash Flood Warning | EWX | Bexar, Medina | 4 hr |
| Apr 16, 7:44 PM CDT | Flash Flood Warning | EWX | Medina | 4 hr |
| Apr 17, 12:26 AM CDT | Flash Flood Warning | EWX | Maverick | 3 hr |
| Apr 17, 2:55 AM CDT | Flash Flood Warning | EWX | Real, Uvalde | 2 hr |
| Apr 17, 3:08 PM CDT | Flash Flood Warning | EWX | Jackson, Victoria | 2 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992
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.