Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 38, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 16, 2001, 2:18 AM CDT for Edwards County, Val Verde County, Texas. It was in force for 57 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 16, 2001, 2:18 AM CDT (07:18 UTC)
- Expired
- Apr 16, 2001, 3:15 AM CDT
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Edwards County, TX, Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 7.3 hours before the alert went out and 35 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
- 1223 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 2335 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -2.3
The text
As transmitted, in the capitals the NWS used until 2016.
132 WUUS54 KEWX 160718 SVRSAT TXC137-465-160815- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 218 AM CDT MON APR 16 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... EDWARDS COUNTY VAL VERDE COUNTY * UNTIL 315 AM CDT * AT 218 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF CARTA VALLEY...OR ABOUT 12 MILES SOUTHEAST OF COMSTOCK...MOVING NORTH AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE... RURAL VAL VERDE COUNTY AT 230 AM CDT RURAL EDWARDS COUNTY AT 320 AM 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. LAT...LON 2957 10113 2945 10098 2981 10049 3000 10071
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 15, 8:30 PM CDT, 5 hours 48 minutes earlier.
Area forecast discussion, Apr 15, 8:30 PM CDT, 5 hours 48 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 830 PM CDT SUN APR 15 2001 CURRENT SURFACE ANALYSIS HAS FRONTAL BOUNDARY AND WIND SHIFT LINE JUST NORTH OF THE ESCARPMENT RUNNING FROM NEAR AUS TO NEAR SAT TO NEAR DRT. THUNDERSTORM ACTIVITY CONTINUES TO REDEVELOP ALONG THE ESCARPMENT AND WILL CONTINUE THIS TREND FOR A FEW MORE HOURS BEFORE SLOWLY DECREASING IN INTENSITY AS THE COOLER AIR FILTERS SOUTH AND DAYTIME HEATING ABATES. LOOK FOR FRONTAL BOUNDARY TO SLOWLY SLIDE SOUTHWARD AND STALL OVER THE SOUTHERN COUNTIES LATER TONIGHT. LOWER DEW-POINTS WILL MAKE FOR A COOL NIGHT...BUT TEMPS ON MONDAY WILL STILL BE IN THE 80S. WILL UPDATE ZONE FORECAST TO ADJUST SKY CONDITION...TEMPS...WINDS AND POPS FOR TONIGHT. PREVIOUS DISCUSSION... PREFER THE SLOWER AVN SOLUTION ONCE AGAIN FOR THIS FCST. WEAK COLD FRONT IS ENTERING THE NORTHERN COUNTIES OF THE CWFA ATTM WITH CONVECTION FIRING OVER EAST TEXAS AND CENTRAL LOUISIANA. FRONT WILL LIKELY STALL OUT OVER THE SOUTHERN COUNTIES TONIGHT WITH NO PCPN EXPECTED FOR THE CWFA. HOWEVER SLIGHTLY LOWER DEWPOINTS WILL BE ASSOCIATED WITH THIS FRONT...ESPECIALLY ACROSS THE HILL COUNTRY AND EDWARDS PLATEAU. FRONTAL BOUNDARY WILL WASH OUT MONDAY AS SE SFC FLOW RETURNS BY THE AFTERNOON. STRONG COLD FRONT CURRENTLY OVER THE NORTHERN PLAINS WILL MOVE INTO THE HILL COUNTRY AND SOUTH CENTRAL TEXAS LATE MONDAY NIGHT/TUESDAY MORNING. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG AND BEHIND THE FRONT. SPC DAY2 OUTLOOK HAS THE NORTHERN HALF OF THE CWFA IN THE SLIGHT RISK AREA. WILL NOT MENTION SVR IN ZONE FCST...MAINLY NOCTURNAL PASSAGE OF FRONT ACROSS THE CWFA MAY PRECLUDE SVR WX DEVELOPMENT. BELOW NORMAL TEMPS WILL RESULT TUESDAY THRU THURSDAY...ENJOY. WARM AND HUMID WX WILL RETURN FOR THE WEEKEND. TEMPS AND POPS WILL BE CLOSE TO MAV NUMBERS. PRELIMS... AUS 63/81 58/65 46 1145 SAT 66/84 62/69 50 1135 DRT 65/87 65/71 52 0045 .EWX...NONE.
In the hours before
Local storm report, Apr 15, 10:23 PM CDT, 3 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
1023 PM CDT SUN APR 15 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM 9 N LEAKEY TX HAIL DAMAGED CAR
04/15/01 REAL
0945 PM 2 1/2 W UTOPIA TX 1.00 INCH HAIL
04/15/01 UVALDE
0955 PM UTOPIA / TX 1.75 INCH HAIL
04/15/01 UVALDE
DCThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:45 PM CDT | Severe Thunderstorm Warning | EWX | Real | 60 min |
| Apr 15, 9:42 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 63 min |
| Apr 16, 3:28 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
| Apr 16, 3:55 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 65 min |
| Apr 16, 4:48 PM CDT | Tornado Warning | EWX | Lee | 42 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.