Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 84, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 2, 2000, 12:28 PM CDT for Atascosa County, Texas. It was in force for 42 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
- Apr 2, 2000, 12:28 PM CDT (17:28 UTC)
- Expired
- Apr 2, 2000, 1:10 PM CDT
- In force
- 42 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Atascosa County, TX
The radar
The Austin/San Antonio radar (KEWX), 96 km from the middle of the area, began a volume at 17:30 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
Corpus Christi, TX (KCRP), launched 12:00Z, 5.5 hours before the alert went out and 202 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
- 2917 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 021728 SVRSAT TXC013-021810- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1228 PM CDT SUN APR 2 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... ATASCOSA COUNTY * UNTIL 110 PM CDT * AT 1226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES WEST OF POTEET...OR ABOUT 11 MILES NORTHEAST OF PEARSALL...MOVING NORTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... POTEET AROUND 1245 PM CDT LEMING AROUND 1250 PM CDT 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. .END/ LAT...LON 2915 9880 2879 9879 2910 9842 2924 9879
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 Apr 2, 11:15 AM CDT, 1 hour 13 minutes earlier.
Area forecast discussion, Apr 2, 11:15 AM CDT, 1 hour 13 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1115 AM CDT SUN APR 2 2000 CANCELED THE FLASH FLOOD WATCH SINCE MODELS INDICATE A DECREASE IN ACTIVITY THIS MAFTERNOON...RAPID MOVEMENT OF WHAT STORMS THERE ARE... AND SHIFT OF FOCUS OF HEAVY RAIN TOWARD COAST. THREAT OF LARGE HAIL CONTINUES ALL BUT DRT AREA THIS AFTERNOON. .EWX...NONE. 03/01/CA
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 8:19 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 71 min |
| Apr 1, 8:23 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 67 min |
| Apr 1, 8:53 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 67 min |
| Apr 1, 9:19 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 56 min |
| Apr 1, 10:12 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 63 min |
| Apr 1, 10:25 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 65 min |
| Apr 1, 10:36 PM CST | Severe Thunderstorm Warning | EWX | Blanco | 54 min |
| Apr 2, 9:15 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet | 60 min |
| Apr 2, 11:57 AM CDT | Severe Thunderstorm Warning | EWX | Frio | 48 min |
| Apr 2, 12:17 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 58 min |
| Apr 2, 1:00 PM CDT | Tornado Warning | EWX | Bexar | 45 min |
| Apr 2, 1:32 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 43 min |
| Apr 2, 5:15 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 60 min |
| Apr 2, 6:08 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.