Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 34, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 8, 1998, 1:08 AM CDT for Sutton County, Texas. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 8, 1998, 1:08 AM CDT (06:08 UTC)
- Expired
- Apr 8, 1998, 2:10 AM CDT
- In force
- 62 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Sutton County, TX
The radar
The San Angelo radar (KSJT), 97 km from the middle of the area, began a volume at 06:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 1:16 AM CDT | Hail 1.75 | Sonora, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.1 hours before the alert went out and 129 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
- 1085 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1551 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 7, 9:09 PM CDT, 3 hours 59 minutes earlier.
Area forecast discussion, Apr 7, 9:09 PM CDT, 3 hours 59 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 909 PM CDT TUE APR 7 1998 COORDINATED BRIEFLY WITH FTW REGARDING WIND DIRECTION AND THE ISOLATED SHOWERS DEVELOPING OVER MCCULLOCH/SAN SABA COUNTIES ALONG A STALLED OUT DRYLINE. BELIEVE THAT LOW LEVEL WINDS IN ADVANCE OF THE 850 MB TROUGH COULD SUPPORT SOME TSRA OVER THIS AREA SO RECOMMEND SLIGHT CHANCE POPS FOR THIS AREA AS WELL AS KIMBLE AND MASON COUNTIES. OTHERWISE WILL ONLY MAKE COSMETIC CHANGES TO WINDS WITH THE REMAINDER OF FORECASTS ON TRACK. 15
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 12:15 AM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman, McCulloch | 60 min |
| Apr 8, 1:00 AM CDT | Severe Thunderstorm Warning | SJT | McCulloch, San Saba | 60 min |
| Apr 8, 1:32 AM CDT | Severe Thunderstorm Warning | SJT | Menard | 48 min |
| Apr 8, 1:42 AM CDT | Severe Thunderstorm Warning | SJT | Kimble | 78 min |
| Apr 8, 1:56 AM CDT | Tornado Warning | SJT | Kimble | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.