Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 101, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1997, 6:59 PM CDT for Bexar County, Texas. It was in force for 91 min. 2 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
- May 27, 1997, 6:59 PM CDT (23:59 UTC)
- Expired
- May 27, 1997, 8:30 PM CDT
- In force
- 91 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 55 km from the middle of the area, began a volume at 00:05 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 |
|---|---|---|---|
| May 27, 8:03 PM CDT | Thunderstorm Wind 106 | Kelly Afb, TX | |
| May 27, 8:03 PM CDT | Thunderstorm Wind 62 | San Antonio, 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 |
|---|---|---|---|
| May 27, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 12.0 hours before the alert went out and 223 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
- 2602 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 272359 RRA SVRSAT TXC029-280130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 659 PM CDT TUE MAY 27 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...BEXAR COUNTY AT 657 PM CDT DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS WITH HIGH WINDS MOVING INTO NORTHERN BEXAR COUNTY EXTENDING FRON RANDOLPH AFB TO BULVERDE AND BOERNE. THESE STORMS WILL MOVE ACROSS ALL OF BEXAR COUNTY WITH DAMAGING WINDS AND POSSIBLE LARGE HAIL. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. THIS IS A DANGEROUS STORM...TAKE COVER IMMEDIATELY IF YOU ARE IN ITS PATH. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING...STAY AWAY FROM WINDOWS! SEVERE THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE AS A TORNADO. IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 3:30 PM CDT | Tornado Warning | EWX | Williamson | 60 min |
| May 27, 3:34 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 56 min |
| May 27, 3:58 PM CDT | Severe Thunderstorm Warning | EWX | Real | 62 min |
| May 27, 4:09 PM CDT | Tornado Warning | EWX | Travis | 66 min |
| May 27, 4:26 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 2 hr |
| May 27, 4:32 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 118 min |
| May 27, 4:37 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 68 min |
| May 27, 4:49 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 56 min |
| May 27, 4:58 PM CDT | Tornado Warning | EWX | Hays | 62 min |
| May 27, 5:19 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 56 min |
| May 27, 5:24 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 66 min |
| May 27, 5:37 PM CDT | Flash Flood Warning | EWX | Uvalde | 98 min |
| May 27, 5:37 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 98 min |
| May 27, 5:52 PM CDT | Tornado Warning | EWX | Kendall | 68 min |
| May 27, 5:58 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 2 hr |
| May 27, 6:01 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 59 min |
| May 27, 6:06 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 69 min |
| May 27, 6:14 PM CDT | Severe Thunderstorm Warning | EWX | Comal | 61 min |
| May 27, 6:24 PM CDT | Tornado Warning | EWX | Uvalde | 36 min |
| May 27, 6:28 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 62 min |
| May 27, 6:29 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 61 min |
| May 27, 6:56 PM CDT | Tornado Warning | EWX | Kendall | 64 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.