Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 150, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 19, 2000, 8:43 PM CDT for Frio County, Texas. It was in force for 62 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 19, 2000, 8:43 PM CDT (01:43 UTC)
- Expired
- May 19, 2000, 9:45 PM CDT
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Frio County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.7 hours before the alert went out and 174 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
- 620 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 379 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
900 WUUS54 KEWX 200144 SVRSAT TXC163-200245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 843 PM CDT FRI MAY 19 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... FRIO COUNTY * UNTIL 945 PM CDT * AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF PEARSALL...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PEARSALL AROUND 850 PM CDT 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. LAT...LON 2899 9934 2873 9918 2879 9886 2907 9893
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 19, 3:00 PM CDT, 5 hours 43 minutes earlier.
Area forecast discussion, May 19, 3:00 PM CDT, 5 hours 43 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 300 PM CDT FRI MAY 19 2000 SURFACE BOUNDARY HAS MOVED VERY LITTLE DURING THE DAY AS EXPECTED. NEXT UPPER TROF EXPECTED TO MOVE EASTWARD ACROSS THE AREA TONIGHT INCREASING THE CONVECTION ACROSS OUR AREA. THE DIFFERENT MODELS ARE FAIRLY SIMILAR IN DEVELOPING A SLOW-MOVING EAST-WEST AREA OF RAIN ALONG AND NORTH OF BOUNDARY AS IT SAGS SLOWLY SOUTHWARD. SOME TRAINING OF CONVECTION OVER THE BOUNDARY ALONG WITH THE SLOW MOVEMENT OF THE ENTIRE SYSTEM INCREASES THE CHANCES OF HEAVY RAIN AND THE POSSIBILITY OF LOCALIZED FLOODING. EAST-WEST AREA MAY BE LARGE ENOUGH TO COVER MOST OF AREA SO WILL INCLUDE ALL AREAS IN THE WATCH. THE SYSTEM LIKELY WILL CONTINUE TO MOVE SOUTHEASTWARD AWAY FROM THE AREA ON SATURDAY MORNING...SO WILL LOWER POPS FOR SATURDAY AFTERNOON AND NIGHT. ANOTHER FAIRLY WELL ORGANIZED TROF WILL DROP SOUTHEASTWARD AND INCREASE RAIN CHANCES AGAIN ON SUNDAY. PRELIMS NUMBERS... DRT 66/85/67/87 8223 AUS 65/83/66/86 8523 SAT 67/85/68/87 8523 .EWX...FLASH FLOOD WATCH TONIGHT ALL AREAS. 16/01/DC
In the hours before
Special weather statement, May 19, 5:54 PM CDT, 2 hours 49 minutes before
TXZ171>173-189>194-205>209-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 554 PM CDT FRI MAY 19 2000 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR BEXAR COUNTY UNTIL 730 PM... ...A FLASH FLOOD WATCH IN EFFECT FOR ALL OF SOUTH CENTRAL TEXAS THROUGH TONIGHT... AT 553 PM...DOPPLER RADAR INDICATED A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS MOVING NORTH AT 20 MPH ACROSS AN AREA ALONG AND NORTH OF INTERSTATE 10 FROM MOUNTAIN HOME TO SAN ANTONIO TO SEGUIN. RAINFALL AMOUNTS UP TO 2 INCHES ARE POSSIBLE WITH THESE STORMS WHICH MAY PRODUCE BRIEF FLOODING OF POOR DRAINAGE AREAS. ANYONE IN TH PATH OF THESE STORMS SHOULD BE PREPARED TO TAKE COVER FROM LARGE HAIL AND DAMAGING WINDS.
Special weather statement, May 19, 7:01 PM CDT, 1 hour 42 minutes before
TXZ171>173-183>194-202>209-217>225-228-200030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 701 PM CDT FRI MAY 19 2000 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR ZAVALA COUNTY UNTIL 800 PM... ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR DIMMIT COUNTY UNTIL 745 PM... ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR AREAS NORTH AND EAST OF A LLANO TO SAN ANTONIO TO LA GRANGE LINE... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR BEXAR COUNTY UNTIL 730 PM... ...A FLASH FLOOD WATCH IN EFFECT FOR ALL OF SOUTH CENTRAL TEXAS THROUGH TONIGHT... ...THE FLASH FLOOD WARNING FOR KERR COUNTY HAS BEEN ALLOWED TO EXPIRE...( ...THE SEVERE THUNDERSTORM WATCH NUMBER 315 FOR NORTHWEST PORTIONS OF SOUTH CENTRAL TEXAS HAS EXPIRED...
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:00 PM CDT | Severe Thunderstorm Warning | EWX | Zavala | 60 min |
| May 19, 7:33 PM CDT | Tornado Warning | EWX | Bexar, Medina | 42 min |
| May 19, 7:40 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 65 min |
| May 19, 7:55 PM CDT | Tornado Warning | EWX | Wilson | 50 min |
| May 19, 8:11 PM CDT | Tornado Warning | EWX | Bexar, Medina | 64 min |
| May 19, 8:49 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 56 min |
| May 19, 8:50 PM CDT | Flash Flood Warning | EWX | Bexar | 100 min |
| May 19, 9:17 PM CDT | Flash Flood Warning | EWX | Frio | 103 min |
| May 19, 10:55 PM CDT | Flash Flood Warning | EWX | Atascosa | 2 hr |
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.