Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 109, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 30, 2000, 9:58 PM CDT for Bandera County, Texas. It was in force for 62 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 30, 2000, 9:58 PM CDT (02:58 UTC)
- Expired
- Apr 30, 2000, 11:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bandera County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 10:25 PM CDT | Hail 0.75 | 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.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.0 hours before the alert went out and 160 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
- 2709 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 2069 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 010258 SVRSAT TXC019-010400- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 958 PM CDT SUN APR 30 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... BANDERA COUNTY * UNTIL 1100 PM CDT * AT 954 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO THE SOUTHWEST PART OF BANDERA COUNTY...MOVING NORTHEAST AT 25 MPH. THIS THUNDERSTORM WILL AFFECT PARTS OF BANDERA COUNTY FOR THE NEXT HOUR. 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. STRONG DAMAGING THUNDERSTORM WINDS ARE ALSO POSSIBLE. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM HIGH AREAS...METAL OBJECTS...AND TALL ISOLATED TREES. MOVE INDOORS IF POSSIBLE BUT STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING THE TELEPHONE UNLESS IT IS AN EMERGENCY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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 30, 8:35 PM CDT, 1 hour 23 minutes earlier.
Area forecast discussion, Apr 30, 8:35 PM CDT, 1 hour 23 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 835 PM CDT SUN APR 30 2000 NO CHANGES TO ONGOING FORECAST. THE DRY LINE REMAINS EAST OF HERE BUT HORIZONAL CONVERGENCE IN THE LOW LEVEL JET HAS SQUEEZED OUT A COUPLE OF SHOWERS FROM ZAVALA COUNTY TO KERR COUNTY. THE ATMOSPHERE REMAINS VERY UNSTABLE, AND THE APPROACHING STORM SYSTEM WILL CAUSE MORE SHOWERS AND THUNDERSTORMS TO DEVELOP DURING THE NIGHT. SATELLITE DERIVED CAPES ARE CURRENTLY IN THE 3000 TO 5000 RANGE WITH LOW CONVECTIVE INHIBITION. .EWX...NONE. 06/08/WR
In the hours before
Special weather statement, Apr 30, 8:55 PM CDT, 1 hour 3 minutes before
TXZ171>173-183>194-202>209-217>225-228-010400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 855 PM CDT SUN APR 30 2000 AN INCREASING CHANCE OF RAIN FROM SHOWERS AND THUNDERSTORMS IS EXPECTED TONIGHT THROUGH MONDAY AND MONDAY NIGHT OVER CENTRAL AND SOUTH CENTRAL TEXAS. AN AREA OF LOW PRESSURE ALOFT OVER NORTHWEST TEXAS IS EXPECTED TO MOVE SLOWLY EAST THROUGH MONDAY NIGHT...SUPPORTING A BETTER CHANCE OF RAIN FOR THE AREA. A COOL FRONT FROM PARTS OF NORTH TEXAS TO WEST TEXAS WILL ALSO MOVE SOUTHEAST OVER CENTRAL AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS TONIGHT AND MONDAY MORNING...AND OVER THE REST OF SOUTH CENTRAL TEXAS MONDAY THROUGH MONDAY NIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE AREA TONIGHT AND MONDAY...WITH SOME POSSIBLY SEVERE. THIS WOULD MAKE FOR A CHANCE OF NOT ONLY RAIN...ALSO HAIL AND STRONG WINDS ARE POSSIBLE. ISOLATED TORNADOES COULD ALSO FORM IN THE STRONGER THUNDERSTORMS. EMERGENCY MANAGEMENT AND STORM SPOTTER GROUPS ARE ADVISED TO MONITOR THE LATEST WEATHER DEVELOPMENTS TODAY AND THIS EVENING. SPOTTER ACTIVATION MAY BE REQUIRED. FOR INFORMATION ON WEATHER THREATS IN SURRyOUNDING AREAS...REFER TO OUTLOOKS FROM OFFICES IN MIDLAND...SAN ANGELO...FORT WORTH... HOUSTON/GALVESTON AND CORPUS CHRISTI.
Special weather statement, Apr 30, 9:20 PM CDT, 38 minutes before
TXZ171>173-183>194-202>209-217>225-228-010400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 920 PM CDT SUN APR 30 2000 ...SHOWERS AND THUNDERSTORMS COMING TONIGHT AND MONDAY... AN INCREASING CHANCE OF RAIN FROM SHOWERS AND THUNDERSTORMS IS EXPECTED TONIGHT THROUGH MONDAY AND MONDAY NIGHT OVER CENTRAL AND SOUTH CENTRAL TEXAS. AN AREA OF LOW PRESSURE ALOFT OVER NORTHWEST TEXAS IS EXPECTED TO MOVE SLOWLY EAST THROUGH MONDAY NIGHT...SUPPORTING A BETTER CHANCE OF RAIN FOR THE AREA. A COOL FRONT FROM PARTS OF NORTH TEXAS TO WEST TEXAS WILL ALSO MOVE SOUTHEAST OVER CENTRAL AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS TONIGHT AND MONDAY MORNING...AND OVER THE REST OF SOUTH CENTRAL TEXAS MONDAY THROUGH MONDAY NIGHT. SHOWERS AND THUNDERSTORMS TO THE NORTH AND WEST ARE EXPECTED TO DEVELOP OVER THE AREA IN THE NEXT FEW HOURS AND THE REST OF TONIGHT...AND ALSO MONDAY...WITH SOME POSSIBLY SEVERE. THIS WOULD MAKE FOR A CHANCE OF NOT ONLY RAIN...ALSO HAIL AND STRONG WINDS ARE POSSIBLE. ISOLATED TORNADOES COULD ALSO FORM IN THE STRONGER THUNDERSTORMS. EMERGENCY MANAGEMENT AND STORM SPOTTER GROUPS ARE ADVISED TO MONITOR THE LATEST WEATHER DEVELOPMENTS TODAY AND THIS EVENING. SPOTTER ACTIVATION MAY BE REQUIRED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 9:24 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 51 min |
| Apr 30, 10:11 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 64 min |
| Apr 30, 11:38 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
| May 1, 12:30 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 1, 1:40 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 110 min |
| May 1, 4:29 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Guadalupe | 61 min |
| May 1, 6:41 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 34 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.