Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 136, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 8, 1997, 9:10 PM CDT for Llano County, Texas. It was in force for 35 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
- Jun 8, 1997, 9:10 PM CDT (02:10 UTC)
- Expired
- Jun 8, 1997, 9:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Llano County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 9:30 PM CDT | Thunderstorm Wind | Llano, TX | Texas Department of Transportation personnel reported several trees blown down in the Llano 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 7:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.2 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
- 2203 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1290 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.7
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, Jun 8, 5:45 PM CDT, 3 hours 25 minutes before
TXZ171>173-183>194-202>209-217>225-228-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SUN JUN 8 1997 STRONG THUNDERSTORMS FROM THE BIG BEND AREA NORTHEASTWARD INTO WEST CENTRAL TEXAS WILL MOVE INTO THE WESTERN PORTIONS OF THE TEXAS HILL COUNTRY THIS EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. RAINFALL SHOULD AVERAGE AROUND ONE HALF INCH WITH AMOUNTS OF AN INCH AND A HALF POSSIBLE IN SOME OF THE HEAVIER THUNDERSTORMS. ACTIVITY SHOULD BE DIMINISHING AFTER SUNSET AS DAYTIME HEATING ENDS. HAZARDOUS WEATHER IS NOT EXPECTED IN THE SOUTH CENTRAL TEXAS AREA ON MONDAY. 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 UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
Special weather statement, Jun 8, 6:00 PM CDT, 3 hours 10 minutes before
TXZ171>173-183>194-202>209-217>225-228-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SUN JUN 8 1997 STRONG THUNDERSTORMS FROM THE BIG BEND AREA NORTHEASTWARD INTO WEST CENTRAL TEXAS WILL MOVE INTO THE WESTERN PORTIONS OF THE TEXAS HILL COUNTRY THIS EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. RAINFALL SHOULD AVERAGE AROUND ONE HALF INCH WITH AMOUNTS OF AN INCH AND A HALF POSSIBLE IN SOME OF THE HEAVIER THUNDERSTORMS. ACTIVITY SHOULD BE DIMINISHING AFTER SUNSET AS DAYTIME HEATING ENDS. HAZARDOUS WEATHER IS NOT EXPECTED IN THE SOUTH CENTRAL TEXAS AREA ON MONDAY. 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 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 |
|---|---|---|---|---|
| Jun 8, 7:34 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 116 min |
| Jun 8, 8:49 PM CDT | Tornado Warning | EWX | Val Verde | 56 min |
| Jun 8, 9:26 PM CDT | Tornado Warning | EWX | Val Verde | 64 min |
| Jun 8, 10:06 PM CDT | Tornado Warning | EWX | Edwards | 69 min |
| Jun 8, 11:09 PM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Jun 8, 11:33 PM CDT | Flash Flood Warning | EWX | Hays | 3 hr |
| Jun 8, 11:45 PM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 8, 11:45 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 9, 12:26 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jun 9, 12:38 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Jun 9, 12:45 AM CDT | Flash Flood Warning | EWX | Burnet | 4 hr |
| Jun 9, 2:23 AM CDT | Flash Flood Warning | EWX | Hays | 3 hr |
| Jun 9, 2:39 AM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 9, 2:39 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 9, 5:08 AM CDT | Flash Flood Warning | EWX | Hays, Travis, Williamson | 4 hr |
| Jun 9, 5:08 AM CDT | Flash Flood Warning | EWX | Comal | 4 hr |
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.