Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 67, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 28, 2000, 6:41 PM CST for Bexar County, Texas. It was in force for 64 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Mar 28, 2000, 6:41 PM CST (00:41 UTC)
- Expired
- Mar 28, 2000, 7:45 PM CST
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Bexar County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 28, 7:01 PM CST | Hail 2.75 | Leon Vly, TX | |
| Mar 28, 7:11 PM CST | Tornado F0 | Leon Vly, 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 |
|---|---|---|---|
| Mar 28, 6:00 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.7 hours before the alert went out and 215 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
- 290 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 2746 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.9
The text
As transmitted, in the capitals the NWS used until 2016.
064 WUUS54 KEWX 290041 SVRSAT TXC029-290145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 641 PM CST TUE MAR 28 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... BEXAR COUNTY * UNTIL 745 PM CST * AT 641 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTH OF HELOTES...OR ABOUT 12 MILES WEST OF SAN ANTONIO...MOVING EAST AT 20 MPH. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. .END/ LAT...LON 2965 9878 2936 9875 2935 9837 2968 9844
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.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 28, 2:12 PM CST, 4 hours 29 minutes earlier.
Area forecast discussion, Mar 28, 2:12 PM CST, 4 hours 29 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 212 PM CST TUE MAR 28 2000 THE DRY LINE REMAINS JUST WEST OF HERE, BUT WILL MOVE INTO OUR COUNTY WARNING AREA TONIGHT. CONDITIONS STILL FAVOR SEVERE THUNDERSTORM DEVELOPMENT THIS EVENING WITH MAX HEATING KICKING OFF THE THUNDERSTORMS. WESTERLY STEERING WINDS WILL PUSH CONVECTION AND DRY LINE TO THE EASTERN ESCARPMENT AFTER MIDNIGHT. THEN DRY LINE SLOWS DOWN AND WAIT FOR NEXT IMPULSE TO PUSH IT THROUGH WEDNESDAY MORNING. DRY WEST WINDS WEDNESDAY WILL RAISE TEMPS WELL INTO THE 80S AND 90S AGAIN. FAIRLY COLD AIR WITH NEXT CANADIAN COLD FRONTAL PASSAGE WILL DROP MIN TEMPS TO NEAR NORMAL LEVELS WEDNESDAY NIGHT. THE SPLIT FLOW PATTERN BECOMES PRONOUNCED THURSDAY AS HIGH PRESSURE IS REINFORCED AS THE SURFACE BUT OVERRUNNING CLOUDINESS RETURNS IN ADVANCE OF THE SOUTHERN STREAM LOW. DRIZZLE RETURNS THURSDAY NIGHT (YEA!) WITH GOOD ISENTROPIC LIFTING OVER THE FRONT. CLOUDINESS AND LIGHT RAIN OR DRIZZLE PATTERN CONTINUES SATURDAY AND SUNDAY. PRELIM NUMBERS... AUS 60 88 55 82 4200 DRT 61 92 51 80 2000 SAT 65 90 55 80 4200 .EWX...NONE. 06/08/JB*
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 6:16 PM CST | Tornado Warning | EWX | Blanco | 59 min |
| Mar 28, 6:38 PM CST | Tornado Warning | EWX | Hays | 52 min |
| Mar 28, 6:50 PM CST | Severe Thunderstorm Warning | EWX | Medina | 40 min |
| Mar 28, 6:53 PM CST | Tornado Warning | EWX | Bexar | 67 min |
| Mar 28, 7:06 PM CST | Severe Thunderstorm Warning | EWX | Hall | 24 min |
| Mar 28, 7:33 PM CST | Tornado Warning | EWX | Caldwell, Hays | 42 min |
| Mar 28, 7:54 PM CST | Tornado Warning | EWX | Bexar, Wilson | 51 min |
| Mar 29, 2:34 AM CST | Severe Thunderstorm Warning | EWX | Burnet, Llano | 56 min |
| Mar 29, 3:26 AM CST | Severe Thunderstorm Warning | EWX | Llano | 64 min |
| Mar 29, 4:00 AM CST | Severe Thunderstorm Warning | EWX | Burnet | 60 min |
| Mar 29, 6:03 AM CST | Severe Thunderstorm Warning | EWX | Hays | 27 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.