Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 36, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 10, 1998, 7:30 AM CST for Atascosa County, Bexar County, Texas. It was in force for 75 min. 4 reports 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 10, 1998, 7:30 AM CST (13:30 UTC)
- Expired
- Feb 10, 1998, 8:45 AM CST
- In force
- 75 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Atascosa County, TX, Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 76 km from the middle of the area, began a volume at 13:32 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 10, 8:05 AM CST | Hail 1.75 | Somerset, TX | |
| Feb 10, 8:05 AM CST | Thunderstorm Wind | Somerset, TX | Downbursts over northern Atascosa and southern Bexar Counties, at times accompanied by large hail, resulted in the destruction of hundreds of trees |
| Feb 10, 8:15 AM CST | Thunderstorm Wind | Poteet, TX | |
| Feb 10, 8:21 AM CST | Hail 1.75 | Leming, TX |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 10, 4:00 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 1.5 hours before the alert went out and 198 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
- 847 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
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, Feb 10, 2:37 AM CST, 4 hours 53 minutes before
TXZ184-186-185-183-101030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 237 AM CST TUE FEB 10 1998 AT 235 AM SHOWERS AND THUNDERSTORMS CONTINUED FROM NORTH OF DEL RIO EAST INTO EDWARDS COUNTY...PARTS OF REAL COUNTY AND WESTERN KERR COUNTY. MOVEMENT WAS EAST NORTHEAST AT 25 MPH. PEA SIZE HAIL HAS BEEN REPORTED IN ROCKSPRINGS AND DEL RIO IN THE PAST 15 MINUTES. BRIEF PERIODS OF MODERATE TO HEAVY RAIN...SOME HAIL AND GUSTY WIND COULD ACCOMPANY THE STRONGER THUNDERSTORMS OVER PARTS OF VAL VERDE... EDWARDS...REAL AND WESTERN KERR COUNTY IN THE NEXT HOUR. &
Special weather statement, Feb 10, 2:37 AM CST, 4 hours 53 minutes before
TXZ184-186-185-183-101030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 237 AM CST TUE FEB 10 1998 AT 235 AM SHOWERS AND THUNDERSTORMS CONTINUED FROM NORTH OF DEL RIO EAST INTO EDWARDS COUNTY...PARTS OF REAL COUNTY AND WESTERN KERR COUNTY. MOVEMENT WAS EAST NORTHEAST AT 25 MPH. PEA SIZE HAIL HAS BEEN REPORTED IN ROCKSPRINGS AND DEL RIO IN THE PAST 15 MINUTES. BRIEF PERIODS OF MODERATE TO HEAVY RAIN...SOME HAIL AND GUSTY WIND COULD ACCOMPANY THE STRONGER THUNDERSTORMS OVER PARTS OF VAL VERDE... EDWARDS...REAL AND WESTERN KERR COUNTY IN THE NEXT HOUR. &
Special weather statement, Feb 10, 5:18 AM CST, 2 hours 12 minutes before
TXZ171>173-183>194-202>209-217>225-228-110000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 518 AM CST TUE FEB 10 1998 THERE IS A RISK OF SEVERE THUNDERSTORMS THIS MORNING ACROSS SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY. STRONG THUNDERSTORMS PRODUCING STRONG GUSTY WINDS...LARGE HAIL AND BRIEF HEAVY RAINFALL WILL MOVE ACROSS THE TEXAS HILL COUNTRY AND TOWARD AUSTIN AND SAN ANTONIO THIS MORNING. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS UNTIL 10 AM. NUMEROUS SHOWERS AND THUNDERSTORMS THIS MORNING WILL PRODUCE RAINFALL AMOUNTS NEAR HALF AN INCH WITH ISOLATED AMOUNTS NEAR ONE AND A HALF INCHES POSSIBLE. THE STORMS WILL MOVE EAST OF THE AREA BY THE AFTERNOON WITH CLEARING SKIES. HAZARDOUS WEATHER IS NOT EXPECTED TONIGHT. 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 FORECAST...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 CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: http://www.srh.noaa.gov/ewx
Special weather statement, Feb 10, 5:42 AM CST, 1 hour 48 minutes before
TXZ171>173-183>194-202>209-217>225-228-101345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 542 AM CST TUE FEB 10 1998 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY UNTIL 10 AM... ...SEVERE THUNDERSTORM WATCH CANCELLED FOR REAL AND UVALDE COUNTIES... THE STRONG THUNDERSTORMS HAVE MOVED EAST OF UVALDE COUNTY AND NORTHEAST OF REAL COUNTY. UVALDE AND REAL COUNTIES HAVE BEEN DROPPED FROM THE SEVERE THUNDERSTORM WATCH. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS UNTIL 10 AM. NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE MORNING HOURS WITH THE STORMS MOVING EAST OF THE AREA BY THE AFTERNOON WITH CLEARING SKIES. EXPECT STRONG GUSTY WINDS...LARGE HAIL AND BRIEF HEAVY RAINFALL FROM THE STRONGEST STORMS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 3:13 AM CST | Severe Thunderstorm Warning | EWX | Kerr | 62 min |
| Feb 10, 3:31 AM CST | Severe Thunderstorm Warning | EWX | Bandera | 44 min |
| Feb 10, 3:50 AM CST | Severe Thunderstorm Warning | EWX | Gillespie, Kerr | 55 min |
| Feb 10, 3:52 AM CST | Severe Thunderstorm Warning | EWX | Kerr | 53 min |
| Feb 10, 4:42 AM CST | Severe Thunderstorm Warning | EWX | Gillespie | 33 min |
| Feb 10, 5:01 AM CST | Severe Thunderstorm Warning | EWX | Llano | 59 min |
| Feb 10, 5:28 AM CST | Severe Thunderstorm Warning | EWX | Blanco | 62 min |
| Feb 10, 5:39 AM CST | Severe Thunderstorm Warning | EWX | Bandera | 51 min |
| Feb 10, 5:53 AM CST | Severe Thunderstorm Warning | EWX | Burnet | 67 min |
| Feb 10, 6:00 AM CST | Severe Thunderstorm Warning | EWX | Kendall | 60 min |
| Feb 10, 6:31 AM CST | Severe Thunderstorm Warning | EWX | Zavala | 59 min |
| Feb 10, 7:05 AM CST | Severe Thunderstorm Warning | EWX | Medina | 55 min |
| Feb 10, 8:26 AM CST | Severe Thunderstorm Warning | EWX | Wilson | 64 min |
| Feb 10, 8:44 AM CST | Tornado Warning | EWX | Wilson | 46 min |
| Feb 10, 9:02 AM CST | Tornado Warning | EWX | Guadalupe | 58 min |
| Feb 10, 9:11 AM CST | Severe Thunderstorm Warning | EWX | Gonzales | 64 min |
| Feb 10, 9:24 AM CST | Tornado Warning | EWX | Gonzales | 66 min |
| Feb 10, 9:45 AM CST | Severe Thunderstorm Warning | EWX | DeWitt | 60 min |
| Feb 10, 10:00 AM CST | Severe Thunderstorm Warning | EWX | Lavaca | 60 min |
| Feb 10, 10:34 AM CST | Tornado Warning | EWX | Lavaca | 41 min |
| Feb 10, 3:10 PM CST | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 65 min |
| Feb 10, 4:13 PM CST | Severe Thunderstorm Warning | EWX | Bastrop | 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.