Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 76, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 25, 1998, 5:29 PM CST for Val Verde County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 25, 1998, 5:29 PM CST (23:29 UTC)
- Expired
- Feb 25, 1998, 6:30 PM CST
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 23:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 5:55 PM CST | Thunderstorm Wind | Comstock, TX | A severe downburst destroyed a building east of Comstock, also damaging trees and vegetation in the area. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.5 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
- 80 J/kg
- Mixed-layer CIN
- -591 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
722 WUUS1 KSAT 252330 SVRSAT TXC465-260030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 529 PM CST WED FEB 25 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...WESTERN VAL VERDE COUNTY AT 530 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WARNING 10 MILES WEST OF LANGTRY. MOVEMENT WAS NORTHEAST AT EAST AT 30 MPH. LANGTRY AND AREAS ALONG AND NORTH OF HIGHWAY 90 ARE IN THE PATH OF THIS STORM. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY OF LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL STREAMS...LOW AREAS...AND 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, Feb 25, 5:00 PM CST, 29 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CST WED FEB 25 1998 ...FLASH FLOOD WATCH IN EFFECT TONIGHT ALONG AND EAST OF AN AUSTIN- SAN ANTONIO-BEEVILLE LINE... THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS IN THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING. LARGE HAIL, DAMAGING WINDS, FREQUENT LIGHTNING, LOCALLY HEAVY RAIN AND FLASH FLOODING, AND POSSIBLE TORNADIC DEVELOPMENT EXISTS WITH SEVERE THUNDERSTORMS. ANOTHER UPPER-LEVEL STORM SYSTEM IS TRACKING EASTWARD ACROSS FAR WEST TEXAS AND WILL MOVE OVER THE MOISTURE-RICH ATMOSPHERE OF SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING. A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND THURSDAY MORNING FOR A PORTION OF SOUTH CENTRAL TEXAS ALONG AND EAST OF AN AUSTIN-SAN ANTONIO-BEEVILLE LINE AND FOR NEARLY ALL OF SOUTHEAST TEXAS. AS THE STORMS DEVELOP TONIGHT, THEY WILL MOVE QUICKLY EASTWARD ACROSS SOUTH CENTRAL TEXAS INTO SOUTHEAST TEXAS. THIS STORM SYSTEM AGAIN HAS THE POTENTIAL TO PRODUCE SEVERE WEATHER. RESIDENTS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD CONTINUE TO MONITOR THE VERY LATEST FORECAST AND ADVISORY ISSUED BY SOUTH TEXAS WEATHER SERVICE OFFICES. THESE BULLETINS WILL BE BROADCAST OVER TV AND RADIO, PLUS CABLE TV, AND NOAA WEATHER RADIO STATIONS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS, SHORT TERM FORECASTS, WATCHES, WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT www.srh.noaa.gov/ewx OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz. MARCH 1 THROUGH MARCH 7 HAS BEEN PROCLAIMED SEVERE WEATHER AWARENESS WEEK IN TEXAS. BUT SEVERE WEATHER KNOWS NO CALENDAR BONDS, AND CAN OCCUR ANYTIME OF THE YEAR, AND ANYTIME OF THE DAY OR NIGHT. THANKS TO THE EFFECTS OF EL NINO IN THE PACIFIC OCEAN, JANUARY AND FEBRUARY HAVE BEEN PARTICULARLY ACTIVE, AND ALL INDICATIONS MARCH, APRIL, MAY AND EARLY JUNE WILL CONTINUE THIS TREND.
Special weather statement, Feb 25, 5:00 PM CST, 29 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CST WED FEB 25 1998 ...FLASH FLOOD WATCH IN EFFECT TONIGHT ALONG AND EAST OF AN AUSTIN- SAN ANTONIO-BEEVILLE LINE... THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS IN THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING. LARGE HAIL, DAMAGING WINDS, FREQUENT LIGHTNING, LOCALLY HEAVY RAIN AND FLASH FLOODING, AND POSSIBLE TORNADIC DEVELOPMENT EXISTS WITH SEVERE THUNDERSTORMS. ANOTHER UPPER-LEVEL STORM SYSTEM IS TRACKING EASTWARD ACROSS FAR WEST TEXAS AND WILL MOVE OVER THE MOISTURE-RICH ATMOSPHERE OF SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING. A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND THURSDAY MORNING FOR A PORTION OF SOUTH CENTRAL TEXAS ALONG AND EAST OF AN AUSTIN-SAN ANTONIO-BEEVILLE LINE AND FOR NEARLY ALL OF SOUTHEAST TEXAS. AS THE STORMS DEVELOP TONIGHT, THEY WILL MOVE QUICKLY EASTWARD ACROSS SOUTH CENTRAL TEXAS INTO SOUTHEAST TEXAS. THIS STORM SYSTEM AGAIN HAS THE POTENTIAL TO PRODUCE SEVERE WEATHER. RESIDENTS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD CONTINUE TO MONITOR THE VERY LATEST FORECAST AND ADVISORY ISSUED BY SOUTH TEXAS WEATHER SERVICE OFFICES. THESE BULLETINS WILL BE BROADCAST OVER TV AND RADIO, PLUS CABLE TV, AND NOAA WEATHER RADIO STATIONS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS, SHORT TERM FORECASTS, WATCHES, WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT www.srh.noaa.gov/ewx OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz. MARCH 1 THROUGH MARCH 7 HAS BEEN PROCLAIMED SEVERE WEATHER AWARENESS WEEK IN TEXAS. BUT SEVERE WEATHER KNOWS NO CALENDAR BONDS, AND CAN OCCUR ANYTIME OF THE YEAR, AND ANYTIME OF THE DAY OR NIGHT. THANKS TO THE EFFECTS OF EL NINO IN THE PACIFIC OCEAN, JANUARY AND FEBRUARY HAVE BEEN PARTICULARLY ACTIVE, AND ALL INDICATIONS MARCH, APRIL, MAY AND EARLY JUNE WILL CONTINUE THIS TREND.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 5:58 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.