Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 29, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 10, 1998, 5:01 AM CST for Llano County, Texas. It was in force for 59 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 10, 1998, 5:01 AM CST (11:01 UTC)
- Expired
- Feb 10, 1998, 6:00 AM CST
- In force
- 59 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Llano County, TX
The radar
The Ft Hood radar (KGRK), 124 km from the middle of the area, began a volume at 11:04 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, 5:30 AM CST | Hail 0.75 | Llano, 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
Del Rio, TX (KDRT), launched 00:00Z, 11.0 hours before the alert went out and 255 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3364 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
432 WUUS1 KSAT 101104 RRA SVRSAT TXC299-101200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 501 AM CST TUE FEB 10 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...LLANO COUNTY AT 5 AM CST...A SEVERE THUNDERSTORM LOCATED IN NORTHEASTERN GILLESPIE COUNTY WAS MOVING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE ACROSS SOUTHEREASTERN LLANO COUNTY AFFECTING SUNRISE BEACH AND AREAS AROUND LAKE LBJ. THIS STORM HAS HAD A HISTORY OF PRODUCING LARGE HAIL. 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. IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE. &
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, 2 hours 24 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, 2 hours 24 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. &
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, 5:28 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, 7:30 AM CST | Severe Thunderstorm Warning | EWX | Atascosa, Bexar | 75 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.