Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 42, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 29, 2000, 3:08 AM CST for Mason County, Texas. It was in force for 37 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
- Mar 29, 2000, 3:08 AM CST (09:08 UTC)
- Expired
- Mar 29, 2000, 3:45 AM CST
- In force
- 37 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Mason County, TX
The radar
The Austin/San Antonio radar (KEWX), 128 km from the middle of the area, began a volume at 09:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.1 hours before the alert went out and 227 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
- 290 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 2746 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 290908 SVRSJT TXC319-290945- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 308 AM CST WED MAR 29 2000 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MASON COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 345 AM CST * AT 305 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES WEST OF LOYAL VALLEY...OR ABOUT 9 MILES SOUTH OF MASON...MOVING SOUTHEAST AT 35 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. MOVE INTO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 3078 9920 3051 9930 3023 9852 3048 9840
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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 29, 12:21 AM CST, 2 hours 47 minutes earlier.
Area forecast discussion, Mar 29, 12:21 AM CST, 2 hours 47 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SAN ANGELO TX 1220 AM WED MAR 29 2000 DRYLINE RETREATING THROUGH WEST CENTRAL TEXAS...AND WITH DOUBLE DIGIT UVV'S...THUNDERSTORMS REDEVELO!PING. ZONE UPDATE ALREADY HIT THE STREETS. .SJT...NONE. 17
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; radar from the NEXRAD Level II archive.