Alert archive / Texas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 37, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 2, 2004, 4:42 PM CST for Mason County, Texas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 2, 2004, 4:42 PM CST (22:42 UTC)
- Expired
- Apr 2, 2004, 5:30 PM CST
- In force
- 48 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Mason County, TX
The radar
The San Angelo radar (KSJT), 141 km from the middle of the area, began a volume at 22:42 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 2:25 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.7 hours before the alert went out and 216 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
- 1046 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 2, 3:36 PM CST, 1 hour 6 minutes earlier.
Area forecast discussion, Apr 2, 3:36 PM CST, 1 hour 6 minutes before
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</html>Hazardous weather outlook, Apr 2, 2:13 PM CST, 2 hours 29 minutes before
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Local storm report, Apr 2, 4:00 PM CST, 42 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 10:08 AM CST | Severe Thunderstorm Warning | SJT | Concho | 37 min |
| Apr 2, 10:19 AM CST | Tornado Warning | SJT | Concho | 26 min |
| Apr 2, 10:45 AM CST | Tornado Warning | SJT | Concho | 45 min |
| Apr 2, 10:58 AM CST | Severe Thunderstorm Warning | SJT | Haskell | 62 min |
| Apr 2, 11:30 AM CST | Flash Flood Warning | SJT | Coleman | 105 min |
| Apr 2, 12:01 PM CST | Severe Thunderstorm Warning | SJT | Irion, Tom Green | 44 min |
| Apr 2, 1:13 PM CST | Severe Thunderstorm Warning | SJT | Tom Green | 47 min |
| Apr 2, 1:33 PM CST | Severe Thunderstorm Warning | SJT | Irion | 57 min |
| Apr 2, 1:46 PM CST | Severe Thunderstorm Warning | SJT | Sterling | 44 min |
| Apr 2, 2:00 PM CST | Severe Thunderstorm Warning | SJT | Tom Green | 60 min |
| Apr 2, 2:11 PM CST | Tornado Warning | SJT | Concho, Tom Green | 64 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2004Every severe thunderstorm warning in 2004
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.