Alert archive / Texas / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 59, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 19, 1992, 5:06 PM CDT for Karnes County, Texas. It was in force for 99 min.
The area
The counties it named.
The facts
- Issued
- Apr 19, 1992, 5:06 PM CDT (22:06 UTC)
- Expired
- Apr 19, 1992, 6:45 PM CDT
- In force
- 99 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Karnes County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.1 hours before the alert went out and 140 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
- 1188 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 192207 SVRSAT TXC255-192345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 506 PM CDT SUN APR 19 1992 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...KARNES COUNTY AT 505 PM CST THE NATIONAL WEATHER SERVICE RADAR IN HONDO...TEXAS INDICATED A SEVERE THUNDERSTORM NORTH OF KARNES CITY MOVING EAST AT 30 MILES AN HOUR. THIS STORM WILL LIKELY CAUSE SEVERE WEATHER OVER KARNES COUNTY UNTIL 545 PM. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO WATCH REMAINS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY OF LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RmAIN CAN OCCUR WITH ANY THUNDERSTORM.
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 19, 1:22 PM CDT, 3 hours 44 minutes before
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lL OR IN OUTDOOR ACTIVITIES THIS AFTERNOON SHOULD MONITOR A RELIABLE SOURCE OF WEATHER INFORMATION...AND KEEP ALERT TO THIS POSSIBILITY OF SEVERE WEATHER.
Special weather statement, Apr 19, 2:46 PM CDT, 2 hours 20 minutes before
TXZ034-035-038>041-054-192200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 240 PM CDT SUN APR 19 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 900 PM CDT FOR MUCH OF SOUTHEAST TEXAS AND A PART OF SOUTHCENTRAL TEXAS... SHOWERS AND THUNDERSTORMS DEVELOPED RAPIDLY ACROSS PARTS OF SOUTH TEXAS THIS AFTERNOON. NATIONAL WEATHER SERVICE RADAR AT 230 PM CDT SHOWED THUNDERSTORMS DEVELOPING IN THE WATCH AREA FROM PLEASANTON TO COMFORT AND AUSTIN INCLUDING THE SAN ANTONIO METROPOLITAN AREA. THESE STORMS WERE PRODUCING SOME LOCALLY HEAVY RAINS ALONG WITH STRONG AND GUSTY WINDS. THERE IS ALSO THE POTENTIAL FOR HAIL AND FREQUENT LIGHTNING THROUGH THE AFTERNOON AND EVENING HOURS AS THESE STORMS DEVELOPE AND TRACK NORTHEASTWARD ACROSS THE AREA AT 20 TO 30 MPH. A STRONG COLDFRONT LOCATED FROM COLLEGE STATION TO NEAR LAREDO AT 230 PM CDT WAS MOVING STEADILY SOUTHEASTWARD INTO VERY UNSTABLE AIR OVER SOUTH TEXAS. THE STORMS WILL CONTINUE TO DEVELOPE AHEAD OF THE FRONT IS IT PROGRESSES TOWARDS THE TEXAS COAST LATER TONIGHT. EVERYONE...ESPECIALLY THOSE INVOLVED IN TRAVEL OR IN OUTDOOR ACTIVITIES THIS ATERNOON AND TONIGHT SHOULD MONITOR A RELIABLE SOURCE OF WEATHER INFORM7ATION...AND KEEP ALERT TO THE POSSIBILITY OF SEVERE WAETHER.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 2:49 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 56 min |
| Apr 19, 2:55 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 50 min |
| Apr 19, 3:37 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell | 28 min |
| Apr 19, 3:51 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 54 min |
| Apr 19, 4:14 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 46 min |
| Apr 19, 4:31 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell | 29 min |
| Apr 19, 4:40 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 35 min |
| Apr 19, 4:46 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 44 min |
| Apr 19, 4:50 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Wilson | 40 min |
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.