Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 81, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 26, 2002, 2:59 AM CDT for Medina County, Uvalde County, Texas. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 26, 2002, 2:59 AM CDT (07:59 UTC)
- Expired
- May 26, 2002, 4:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Medina County, TX, Uvalde County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 8.0 hours before the alert went out and 137 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
- 2470 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 260759 SVRSAT TXC325-463-260900- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 258 AM CDT SUN MAY 26 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... MEDINA UVALDE * UNTIL 400 AM CDT * AT 258 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS BETWEEN UTOPIA...KNIPPA AND SABINAL MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE... 4 MILES EAST OF SABINAL AT 315 AM 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. HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS LOW WATER CROSSINGS... DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. LAT...LON 2942 9967 2930 9952 2913 9908 2960 9917
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 25, 9:35 PM CDT, 5 hours 24 minutes earlier.
Area forecast discussion, May 25, 9:35 PM CDT, 5 hours 24 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 935 PM CDT SAT MAY 25 2002 SEVERE THUNDERSTORM WATCHES 330 AND 333 WILL BE ALLOWED TO EXPIRE AT 10 PM. ATTM SVR WX HAS NOT OCCURRED ACROSS THE EWX CWFA. THIS EVENINGS TSTM ACTIVITY HAS EVOLVED INTO 2 MCSS. ONE MCS IS WORKING SOUTHEASTWARD ALONG THE MEXICAN SIDE OF THE RIO GRANDE RIVER AND MAY AFFECT LAREDO AND POINTS SOUTH LATER THIS EVENING. OF MORE CONCERN IS THE TSTM COMPLEX LOCATED FROM SAN ANGELO TO LAMPASAS. THIS COMPLEX DEVELOPED ALONG AN OLD OUTFLOW BOUNDARY. THESE STORMS MAY BUILD A LITTLE FARTHER SOUTH THIS EVENING ON OUTFLOW BOUNDARIES...HOWEVER THE COMPLEX WILL LIKELY MOVE EASTWARD ALONG THE THETA-E RIDGE AXIS. AN UPPER LEVEL DISTURBANCE OVER THE TEXAS PANHANDLE IS ALSO MOVING EASTWARD AND WILL HELP MOVE THE TSTM COMPLEX TO THE EAST. THE SEVERE THREAT IS ENDING BUT LOCALLY HEAVY RAINFALL IS STILL POSSIBLE FOR THE EASTERN HILL COUNTRY...AT LEAST UNTIL MIDNIGHT. WILL SEND UPDATED FCST WITH THE EXPIRATION OF THE WX WATCHES. UPDATED PRELIMS... AUS 65 86 68 87 3311 DRT 68 92 70 91 1221 SAT 68 87 70 89 1311 .EWX...NONE. 13/10/PM
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 1:15 AM CDT | Flash Flood Warning | EWX | Real | 105 min |
| May 26, 1:34 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Real | 56 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.