Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 70, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 8, 2001, 1:29 PM CDT for Bexar County, Texas. It was in force for 61 min. No storm report in the archive falls 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.
The facts
- Issued
- May 8, 2001, 1:29 PM CDT (18:29 UTC)
- Expired
- May 8, 2001, 2:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 64 km from the middle of the area, began a volume at 18:29 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.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 6.5 hours before the alert went out and 211 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
- 1202 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 856 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 081834 SVRSAT TXC029-081930- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 129 PM CDT TUE MAY 8 2001 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... BEXAR...INCLUDING THE SAN ANTONIO METROPOLITAN AREA... * UNTIL 230 PM CDT * AT 129 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND INTENSE LIGHTNING MOVING SOUTH AT 10 MPH INTO THE NORTHERN PART OF SAN ANTONIO. PEA-SIZED HAIL WAS REPORTED EARLIER IN NORTHWEST BEXAR COUNTY. PERSONS IN SAN ANTONIO AND SUxRROUNDING AREAS OF THE METROPOLITAN AREA AND BEXAR COUNTY SHOULD TAKE PRECAUTIONARY MEASURES AT ONCE. LAT...LON 2963 9873 2951 9859 2943 9863 2948 9840
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 May 8, 10:05 AM CDT, 3 hours 24 minutes earlier.
Area forecast discussion, May 8, 10:05 AM CDT, 3 hours 24 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1005 AM CDT TUE MAY 8 2001 SMALL CONVECTIVE COMPLEX CONTINUES OVER THE NORTHERN HILL COUNTRY THIS MORNING. THESE STORMS ARE OCCURRING IN AN AREA OF BEST MOISTURE CONVERGENCE...AS DEPICTED BY MSAS. DAYTIME HEATING WILL TRIGGER ISOLATED CONVECTION THIS AFTERNOON AND EVENING. ATTM THE BEST AREA FOR CONVECTION...BASED ON SFC MOISTURE CONVERGENCE AND CURRENT RADAR...IS FROM ROCKSPRINGS TO BANDERA TO NEW BRAUNFELS AND TAYLOR. HAVE MADE CHANGES TO WORDING AND INCREASED POPS IN PARTS OF HILL COUNTRY WHERE PCPN IS ALREADY OCCURRING. .PRELIMINARY NUMBERS AUS 81/61/81/61 211- DRT 88/66/88/66 211- SAT 83/63/83/63 211- .EWX...NONE. 13/05
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 1:08 PM CDT | Severe Thunderstorm Warning | EWX | Real | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.