Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 3, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 18, 2002, 10:56 PM CST for Val Verde County, Texas. It was in force for 94 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
- Mar 18, 2002, 10:56 PM CST (04:56 UTC)
- Expired
- Mar 19, 2002, 12:30 AM CST
- In force
- 94 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 4.9 hours before the alert went out and 48 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
- 1079 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 190456 SVRSAT TXC465-190630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1053 PM CST MON MAR 18 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... VAL VERDE * UNTIL 1230 AM CST * AT 1053 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 36 MILES SOUTH OF VAL VERDE COUNTY...OR ABOUT 25 MILES WEST OF DEL RIO...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR COMSTOCK AT 1115 PM 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. 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. LAT...LON 2947 10141 2934 10127 2997 10071 3009 10118
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 1:40 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 35 min |
| Mar 19, 1:59 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 61 min |
| Mar 19, 2:54 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 51 min |
| Mar 19, 3:05 PM CST | Tornado Warning | EWX | Val Verde | 25 min |
| Mar 19, 3:19 PM CST | Tornado Warning | EWX | Edwards | 26 min |
| Mar 19, 3:28 PM CST | Tornado Warning | EWX | Val Verde | 32 min |
| Mar 19, 3:42 PM CST | Tornado Warning | EWX | Edwards, Kinney | 33 min |
| Mar 19, 4:07 PM CST | Tornado Warning | EWX | Kinney, Val Verde | 53 min |
| Mar 19, 4:18 PM CST | Tornado Warning | EWX | Edwards | 27 min |
| Mar 19, 4:42 PM CST | Severe Thunderstorm Warning | EWX | Real | 63 min |
| Mar 19, 5:29 PM CST | Tornado Warning | EWX | Maverick | 61 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.