Alert archive / Texas / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 64, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 28, 1991, 11:29 AM CDT for Bandera County, Medina County, Texas. It was in force for 46 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
- Apr 28, 1991, 11:29 AM CDT (16:29 UTC)
- Expired
- Apr 28, 1991, 12:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Medina County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 12:25 PM CDT | Hail 1.75 | Bandera, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 4.5 hours before the alert went out and 271 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
- 2739 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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, Apr 28, 8:15 AM CDT, 3 hours 14 minutes before
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</html>Special weather statement, Apr 28, 8:33 AM CDT, 2 hours 56 minutes before
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</html>Special weather statement, Apr 28, 9:04 AM CDT, 2 hours 25 minutes before
TXZ034-035-038-039-054-281600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 903 AM CDT SUN APR 28 1991 SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...CONTINUED ACROSS THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU BETWEEN MENARD... JUNCTION...ROCKSPRINGS AND DEL RIO AT 900 AM THIS MORNING. THE ACTIVITY WAS FORMING FURTHER TO THE EAST EACH HOUR...WHILE INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH. THE HEAVIEST RAIN WAS LOCATED JUST TO THE NORTHWEST OF ROCKSPRINGS. AN UPPER LEVEL DISTURBANCE APPROACHING FROM FAR WEST TEXAS TRIGGERED THE STORMS ALONG A STATIONARY FRONT THAT STRETCHED FROM WACO TO JUNCTION TO DEL RIO. AS THE DISTURBANCE MOVES EASTWARD THIS MORNING...THE FRONT AND ITS ASSOCIATED THUNDERSTORMS WILL ALSO MOVE TO THE EAST. ONCE THE STORMS REACH THE VERY MOIST AND UNSTABLE AIRMASS EAST OF THE HILL COUNTRY...NEAR AUSTIN AND SAN ANTONIO...SOME COULD BECOME SEVERE. LARGE HAIL OR DoAMAGING WINDS...ALONG WITH HEAVY RAIN...ARE POSSIBLE THIS MORNING. THE SEVERE WEATHER COULD CONTINUE INTO SOUTHEAST TEXAS LATER THIS AFTERNOON.
Special weather statement, Apr 28, 9:27 AM CDT, 2 hours 2 minutes before
TXZ030-034>036-281600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 925 AM CDT SUN APR 28 1991 ...THUNDERSTORMS DEVELOPING OVER THE WESTERN HILL COUNTRY... AT 920 AM RADAR SHOWED SHOWERS AND THUNDERSTORMS FROM ROCKSPRINGS TO JUNCTION AND MENARD. MOVEMENT OF THE RAIN AREA WAS SLOWLY TO THE EAST WHILE THE INDIVIDUAL STORMS MOVED NORTHEAST AT 25 MPH. AS THESE STROMS MOVE EASTWARD AND ENCOUNTER THE VERY MOIST AND UNSTABLE AIR OF CENTRAL TEXAS SOME OF THE STORMS COULD BECOME SEVERE. PERSONS ARE ADVISED TO KEEP UP WITH THE LATEST WEATHER DEVELOPMENTS AS THESE STORMS MOVE TOWARD CENTRAL TEXAS.
Special weather statement, Apr 28, 9:29 AM CDT, 2 hours before
TXZ054-281530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 930 AM CDT SUN APR 28 1991 AT 930 AM CDT ONLY A FEW WIDELY SCATTERED SHOWERS WERE LOCATED IN NORTHERN VAL VERDE COUNTY. THE REMAINDER OF THE SHOWERS AND THUNDERSTORMS HAD MOVED NORTHEAST INTO EDWARDS AND EASTERN SUTTON COUNTIES.
Special weather statement, Apr 28, 9:57 AM CDT, 1 hour 32 minutes before
TXZ034>036-038-039-054-281700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 958 AM CDT SUN APR 28 1991 AT 955 AM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...ALONG AND EAST OF THE HILL COUNTRY FROM BRADY TO AUSTIN TO ROCKSPRINGS AND JUNCTION. THE ACTIVITY WAS MOVING TO THE EAST AT 30 MPH WHILE THE INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH. THE HEAVIEST RAIN WAS LOCATED JUST NORTH OF JUNCTION. THE STORMS ARE EXPECTED TO CONTINUE DEVELOPING TO THE EAST THROUGH THE LATE MORNING...CROSSING MOST OF SOUTH CENTRAL TEXAS BY MID AFTERNOON. AS THEY MOVE EASTWARD INTO DEEPER MOISTURE AND A MORE UNSTABLE AIRMASS... SOME STORMS COULD BECOME SEVERE. THE GREATEST POSSIBILITY OF SEVERE WEATHER WOULD BE EAST OF THE HILL COUNTRY...BEGINNING NEAR SAN ANTONIO AND AUSTIN LATER THIS MORNING...AND ACROSS SOUTHEAST TEXAS THIS AFTERNOON. EVERYONE IN SOUTH CENTRAL TEXAS IS URGED TO MONITOR THE LATEST STATEMENTS ON THESE DEVELOPING STORMS AND THE POSSIBILITY OF SEVERE WEATHER.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 11:03 AM CDT | Severe Thunderstorm Warning | EWX | Mills | 42 min |
| Apr 28, 12:00 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 45 min |
| Apr 28, 12:21 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 69 min |
| Apr 28, 12:36 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 54 min |
| Apr 28, 12:48 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 57 min |
| Apr 28, 1:22 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 53 min |
| Apr 28, 1:56 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 49 min |
| Apr 28, 2:41 PM CDT | Tornado Warning | EWX | Williamson | 49 min |
| Apr 28, 2:50 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 55 min |
| Apr 28, 3:02 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 43 min |
| Apr 28, 3:06 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 54 min |
| Apr 28, 3:09 PM CDT | Tornado Warning | EWX | Burleson | 51 min |
| Apr 28, 3:33 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 42 min |
| Apr 28, 3:44 PM CDT | Tornado Warning | EWX | Bastrop | 46 min |
| Apr 28, 4:05 PM CDT | Tornado Warning | EWX | Burleson | 40 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1991Every severe thunderstorm warning in 1991
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.