Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 91, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1997, 4:49 PM CDT for Edwards County, Texas. It was in force for 56 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
- May 27, 1997, 4:49 PM CDT (21:49 UTC)
- Expired
- May 27, 1997, 5:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Edwards County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 5:30 PM CDT | Hail 1.5 | Rocks Spgs, 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
Del Rio, TX (KDRT), launched 12:00Z, 9.8 hours before the alert went out and 86 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
- 5551 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 272150 RRA SVRSAT TXC137-272245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 449 PM CDT TUE MAY 27 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...EDWARDS COUNTY AT 445 PM...RADAR INDICATED A SEVERE THUNDERSTORM WITH VERY LARGE HAIL BETWEEN BARKSDALE AND CARTA VALLEY NEAR HIGHWAY 674. THIS STORM MAY BE PRODUCING GOLF BALL-SIZED HAIL. THIS STORM WAS PART OF A CLUSTER OF SEVERE THUNDERSTORMS. OTHER SEVERE THUNDERSTORMS WITH LARGE HAIL WERE LOCATED WEST OF BARKSDALE. ALSO JUST NORTH OF CARTA VALLEY. LITTLE MOVEMENT WAS INDICATED ON RADAR. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO WATCH REMAINS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. 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, May 27, 11:14 AM CDT, 5 hours 35 minutes before
TXZ171>173-183>194-202>209-217>225-228-272300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1115 AM CDT TUE MAY 27 1997 ...SEVERE THUNDERSTORM AND HEAVY RAIN EVENT DEVELOPING ACROSS SOUTH TEXAS AND THE HILL COUNTRY THIS AFTERNOON AND TONIGHT... THE NATIONAL WEATHER SERVICE IS CLOSELY MONITORING A WEAK COLD FRONT MOVING THROUGH SOUTH TEXAS. THIS COLD FRONT IS EXPECTED TO BECOME STATIONARY LATE THIS AFTERNOON AND INTERACT WITH AN UPPER LEVEL DISTURBANCE IGNITING A ROUND OF SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS SOUTH TEXAS. CONDITIONS ARE BECOMING INCREASINGLY FAVORABLE FOR THE DEVELOPMENT OF SCATTERED SEVERE THUNDERSTORMS WITH LARGE HAIL... DAMAGING WINDS AND VERY HEAVY RAINFALL. THE MOST SEVERE STORMS MAY PRODUCE ISOLATED TORNADOES. THIS ACTIVITY SHOULD DEVELOP LATE THIS AFTERNOON AND DECREASE IN SEVERITY LATE THIS EVENING. THIS SYSTEM WILL EVOLVE INTO A HEAVY RAIN EVENT OVER PORTIONS OF SOUTH CENTRAL TEXAS... THE HILL COUNTRY AND SOUTHEAST TEXAS TONIGHT WITH ISOLATED SEVERE THUNDERSTORMS. A GENERAL 1/2 TO 1 INCH RAINFALL IS POSSIBLE WITH ISOLATED TOTALS NEAR 3 INCHES OR MORE WHERE THUNDERSTORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. A FLASH FLOOD WATCH MAY BE REQUIRED TONIGHT ACROSS PORTIONS OF SOUTH TEXAS. THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF THE ZONE FORECAST...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 IS NO LONGER EXPECTED.
Special weather statement, May 27, 11:15 AM CDT, 5 hours 34 minutes before
TXZ171>173-183>194-202>209-217>225-228-272300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1115 AM CDT TUE MAY 27 1997 ...SEVERE THUNDERSTORM AND HEAVY RAIN EVENT DEVELOPING ACROSS SOUTH TEXAS AND THE HILL COUNTRY THIS AFTERNOON AND TONIGHT... THE NATIONAL WEATHER SERVICE IS CLOSELY MONITORING A WEAK COLD FRONT MOVING THROUGH SOUTH TEXAS. THIS COLD FRONT IS EXPECTED TO BECOME STATIONARY LATE THIS AFTERNOON AND INTERACT WITH AN UPPER LEVEL DISTURBANCE IGNITING A ROUND OF SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS SOUTH TEXAS. CONDITIONS ARE BECOMING INCREASINGLY FAVORABLE FOR THE DEVELOPMENT OF SCATTERED SEVERE THUNDERSTORMS WITH LARGE HAIL... DAMAGING WINDS AND VERY HEAVY RAINFALL. THE MOST SEVERE STORMS MAY PRODUCE ISOLATED TORNADOES. THIS ACTIVITY SHOULD DEVELOP LATE THIS AFTERNOON AND DECREASE IN SEVERITY LATE THIS EVENING. THIS SYSTEM WILL EVOLVE INTO A HEAVY RAIN EVENT OVER PORTIONS OF SOUTH CENTRAL TEXAS... THE HILL COUNTRY AND SOUTHEAST TEXAS TONIGHT WITH ISOLATED SEVERE THUNDERSTORMS. A GENERAL 1/2 TO 1 INCH RAINFALL IS POSSIBLE WITH ISOLATED TOTALS NEAR 3 INCHES OR MORE WHERE THUNDERSTORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. A FLASH FLOOD WATCH MAY BE REQUIRED TONIGHT ACROSS PORTIONS OF SOUTH TEXAS. THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF THE ZONE FORECAST...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 IS NO LONGER EXPECTED.
Local storm report, May 27, 4:45 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
445 PM CDT TUE MAY 27 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM JARRELL TX TORNADO
05/27/97 WILLIAMSON REPORTS OF FATALITIES AND
MULTIPLE INJURIES
0415 PM CEDAR PARK TX TORNADO
05/27/97 WILLIAMSON REPORT OF GROCERY STORE
COLLAPSE IN CEDAR PARK.
REPORTS OF FATALITIES AND
MULTIPLE INJURIESThe 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, 4:58 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 |
| May 27, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 91 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.