Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 15, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 1997, 9:41 PM CST for Burnet County, Texas. It was in force for 64 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
- Mar 29, 1997, 9:41 PM CST (03:41 UTC)
- Expired
- Mar 29, 1997, 10:45 PM CST
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Burnet County, TX
The radar
The Ft Hood radar (KGRK), 77 km from the middle of the area, began a volume at 03:44 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 |
|---|---|---|---|
| Mar 29, 9:50 PM CST | Hail 0.75 | Watson, 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 |
|---|---|---|---|
| Mar 29, 4:45 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 3.7 hours before the alert went out and 242 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
- 990 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1782 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 300341 RRA SVRSAT TXC053-300445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 941 PM CST SAT MAR 29 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...BURNET COUNTY AT 940 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM SOUTH OF LAMPASSAS MOVING NORTHEAST AT 20 MPH. ADDITIONAL THUNDERSTORMS STRETCHED EAST AND WEST ACROSS THE NORTHERN PARTS OF THE COUNTY AND WILL CONTINUE TO AFFECT AREAS NORTH OF BURNET FOR THE NEXT HOUR. PEOPLE IN THE PATH OF THIS STORM SH:OULD 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, Mar 29, 5:35 PM CST, 4 hours 6 minutes before
TXZ171>173-183>194-202>209-217>225-228-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 535 PM CST SAT MAR 29 1997 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT TIL 6 PM CST FOR ZAVALA COUNTY... ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHERN PORTIONS OF THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL 11 PM CST... SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER CENTRAL AND SOUTH CENTRAL TEXAS TONIGHT AND SUNDAY MORNING...AS A WEATHER SYSTEM APPROACHING FROM THE WEST INTERACTS WITH A COLD FRONT MOVING IN FROM NORTH TEXAS. A COLD FRONT WILL ENTER THE TEXAS HILL COUNTRY EARLY SUNDAY MORNING AND OVER SOUTH CENTRAL TEXAS AROUND AND AFTER SUNRISE. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP AHEAD OF THIS FRONT. ISOLATED TO WIDELY SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE CURRENTLY DEVELOPING ACROSS SOUTHWEST PORTIONS OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON IN A VERY UNSTABLE AIRMASS. THESE STORMS ARE CURRENTLY PRODUCING RAINFALL AT RATES OF NEAR 2 TO 3 INCHES PER HOUR BUT BECAUSE THEY ARE THERMALLY INDUCED..THEY SHOULD GREATLY DIMINISH AND DISSIPATE SHORTLY AFTER SUNSET. RAINFALL AMOUNTS OF 1/4 TO 1/2 INCH CAN BE EXPECTED ALONG THE COLD FRONT LATE TONIGHT INTO EARLY SUNDAY MORNING. 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 UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 9:09 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 66 min |
| Mar 30, 5:51 AM CST | Severe Thunderstorm Warning | EWX | Medina | 54 min |
| Mar 30, 5:57 AM CST | Severe Thunderstorm Warning | EWX | Frio | 63 min |
| Mar 30, 7:01 AM CST | Severe Thunderstorm Warning | EWX | Frio | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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.