Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 57, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1996, 1:35 PM CDT for Caldwell County, Texas. It was in force for 25 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, 1996, 1:35 PM CDT (18:35 UTC)
- Expired
- May 27, 1996, 2:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Caldwell County, TX
The radar
The Austin/San Antonio radar (KEWX), 42 km from the middle of the area, began a volume at 18:36 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, 1:38 PM CDT | Hail 1.75 | Martindale, 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 6.6 hours before the alert went out and 236 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
- 1896 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 271836 SVRSAT TXC055-271900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 135 PM CDT MON MAY 27 1996 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...NORTHERN CALDWELL COUNTY AT 135 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING ACROSS NORTHERN CALDWELL COUNTY. THE STORM WAS MOVING EAST NORTHEAST AT 25 TO 30 MILES AN HOUR. 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 ALS$O 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, May 27, 9:46 AM CDT, 3 hours 49 minutes before
TXZ171>173-185>194-203>209-218>225-229-230-271600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 945 AM CDT MON MAY 27 1996 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTH CENTRAL TEXAS THROUGH 1 PM THIS AFTERNOON... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR BEXAR COUNTY UNTIL 1030 AM CDT... ...SEVERE THUNDERSTORM WARNINGS FOR BEXAR...COMAL AND HAYS COUNTIES HAVE EXPIRED... AT 935 AM...RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS... SOME STRONG FROM SEGUIN...TO BASTROP AND AUSTIN TO GIDDINGS. OTHER WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER EASTERN BANDERA AND NORTHERN MEDINDA COUNTIES. MOVEMENT WAS GENERALLY EAST AT NEAR 30 MPH. NO SEVERE THUNDERSTORMS WERE INDICATED BY RADAR AT THIS TIME. HOWEVER A FEW STORMS COULD STILL PRODUCE BRIEF HEAVY AND STRONG GUSTY WINDS...ALONG WITH SOME POSSIBLE HAIL AS THEY MOVE EASTWARD INTO GONZALES...BASTROP...CALDWELL... LEE...AND FAYETTE COUNTIES DURING THE NEXT ONE TO TWO HOURS. THE AIR OVER SOUTH TEXAS REMAINS VERY MOIST AND UNSTABLE THIS MORNING. ADDITIONAL DEVELOPMENT IS POSSIBLE THIS AFTERNOON OVER SOUTH CENTRAL TEXAS DUE TO AFTERNOON HEATING. SnTAYED TUNED TO ANY ADDITIONAL STATEMENTS AND/OR WARNINGS.
Local storm report, May 27, 10:02 AM CDT, 3 hours 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1000 AM CDT MON MAY 27 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0838 AM ALAMO HEIGHTS TX NICKEL-SIZE HAIL
05/27/96 BEXAR REPORTED BY OFF DUTY NWS
EMPLOYEE
0712 AM VANDERPOOLE TX GOLFBALL SIZE HAIL
05/27/96 BANDERA
0615 PM PEARSALL TX
05/08/96 FRIO 3.30 - 3.60 INCHES OF RAIN
IN 2 HOURS
0630 PM PEARSALL TX
05/08/96 FRIO 1N PEARSALL 4.25 - 4.75
INCHES OF RAIN IN 2 HOURS.Local storm report, May 27, 10:04 AM CDT, 3 hours 31 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1003 AM CDT MON MAY 27 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0838 AM ALAMO HEIGHTS TX NICKEL SIZE HAIL
05/27/96 BEXAR REPORTED BY OFF DUTY NWS
EMPLOYEE
0712 AM VANDERPOOLE TX GOLFBALL SIZE HAIL
05/27/96 BANDERASpecial weather statement, May 27, 10:10 AM CDT, 3 hours 25 minutes before
TXZ171>173-185>194-203>209-218>225-229-230-271600- SPECIAL WEATHER STATEMENT...CORRECTION FOR FLOOD WATCH... NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1010 AM CDT MON MAY 27 1996 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTH CENTRAL TEXAS THROUGH 1 PM THIS AFTERNOON... ...AN URBAN AND SMALL STREAM ADVISORY IS IN EFFECT FOR BEXAR COUNTY UNTIL 1030 AM CDT... ...SEVERE THUNDERSTORM WARNINGS FOR BEXAR...COMAL AND HAYS COUNTIES HAVE EXPIRED... AT 1010 AM...RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS... SOME STRONG FROM SEGUIN...TO BASTROP AND AUSTIN TO GIDDINGS. OTHER WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER EASTERN BANDERA AND NORTHERN MEDINDA COUNTIES. MOVEMENT WAS GENERALLY EAST AT NEAR 30 MPH. NO SEVERE THUNDERSTORMS WERE INDICATED BY RADAR AT THIS TIME. HOWEVER A FEW STORMS COULD STILL PRODUCE BRIEF HEAVY AND STRONG GUSTY WINDS...ALONG WITH SOME POSSIBLE HAIL AS THEY MOVE EASTWARD INTO GONZALES...BASTROP...CALDWELL... LEE...AND FAYETTE COUNTIES DURING THE NEXT ONE TO TWO HOURS. THE AIR OVER SOUTH TEXAS REMAINS VERY MOIST AND UNSTABLE THIS MORNING. ADDITIONAL DEVELOPMENT IS POSSIBLE THIS AFTERNOON OVER SOUTH CENTRAL TEXAS DUE TO AFTERNOON HEATING. STAYED TUNED TO ANY ADDITIONAL STATEMENTS AND/OR WARNINGS.
Local storm report, May 27, 11:00 AM CDT, 2 hours 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1054 AM CDT MON MAY 27 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0838 AM ALAMO HEIGHTS TX NICKEL SIZE HAIL
05/27/96 BEXAR REPORTED BY OFF DUTY NWS
EMPLOYEE
0712 AM VANDERPOOLE TX GOLFBALL SIZE HAIL
05/27/96 BANDERA
0800 AMR 5N BLANCO TX DIME SIZE HAIL
BLANCO
0830 AM NEW BRAUNFELS TX PEA AND DIME SIZE HAIL
REPORTED BY SHERIFFThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 3:49 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 41 min |
| May 27, 4:31 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 44 min |
| May 27, 5:43 AM CDT | Severe Thunderstorm Warning | EWX | Real | 47 min |
| May 27, 6:21 AM CDT | Flash Flood Warning | EWX | Edwards | 2 hr |
| May 27, 6:42 AM CDT | Flash Flood Warning | EWX | Real | 2 hr |
| May 27, 7:08 AM CDT | Severe Thunderstorm Warning | EWX | Bandera | 52 min |
| May 27, 7:46 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 44 min |
| May 27, 8:08 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 67 min |
| May 27, 8:16 AM CDT | Severe Thunderstorm Warning | EWX | Comal, Hays | 59 min |
| May 27, 12:30 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 45 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996
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.