Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 95, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 2, 2000, 11:39 PM CDT for Atascosa County, Bexar County, Texas. It was in force for 66 min. 1 report 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
- Apr 2, 2000, 11:39 PM CDT (04:39 UTC)
- Expired
- Apr 3, 2000, 12:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Atascosa County, TX, Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 72 km from the middle of the area, began a volume at 04:40 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 |
|---|---|---|---|
| Apr 2, 11:40 PM CDT | Hail 0.75 | Somerset, 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
Del Rio, TX (KDRT), launched 00:00Z, 4.7 hours before the alert went out and 214 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1119 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- -93 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 030440 SVRSAT TXC013-029-030545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1139 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... BEXAR COUNTY ATASCOSA COUNTY * UNTIL 1245 AM CDT * AT 1139 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF SOMERSET...OR ABOUT 6 MILES EAST OF DEVINE...MOVING NORTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SOMERSET AROUND 1145 PM CDT LACKLAND AFB AROUND 1155 PM CDT TERRELL HILLS AROUND 1210 AM CDT CHINA GROVE AROUND 1215 AM CDT IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDSs IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. .END/ LAT...LON 2937 9878 2890 9875 2941 9831 2960 9853
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 9:35 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 40 min |
| Apr 2, 10:01 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Zavala | 44 min |
| Apr 2, 10:15 PM CDT | Severe Thunderstorm Warning | EWX | Hays, Travis | 45 min |
| Apr 2, 10:39 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 66 min |
| Apr 2, 11:15 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio, Medina | 45 min |
| Apr 2, 11:16 PM CDT | Severe Thunderstorm Warning | EWX | Comal, Hays | 59 min |
| Apr 2, 11:28 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 62 min |
| Apr 3, 12:12 AM CDT | Flash Flood Warning | EWX | Bexar | 4 hr |
| Apr 3, 12:36 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Karnes, Wilson | 69 min |
| Apr 3, 1:10 AM CDT | Tornado Warning | EWX | DeWitt, Karnes | 50 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; radar from the NEXRAD Level II archive.