Alert archive / Texas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 129, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 26, 1999, 8:11 PM CDT for Kerr County, Texas. It was in force for 34 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
- May 26, 1999, 8:11 PM CDT (01:11 UTC)
- Expired
- May 26, 1999, 8:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kerr County, TX
The radar
The Laughlin AFB radar (KDFX), 126 km from the middle of the area, began a volume at 01:11 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 |
|---|---|---|---|
| May 26, 8:35 PM CDT | Hail 1.25 | Center Pt, 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, 1.2 hours before the alert went out and 163 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
- 2444 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.2
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.
In the hours before
Special weather statement, May 26, 5:07 PM CDT, 3 hours 4 minutes before
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
Special weather statement, May 26, 5:07 PM CDT, 3 hours 4 minutes before
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
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:16 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Kerr | 59 min |
| May 26, 7:43 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 47 min |
| May 26, 8:38 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 67 min |
| May 26, 8:45 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr | 45 min |
| May 26, 8:56 PM CDT | Flash Flood Warning | EWX | Gonzales | 3 hr |
| May 26, 9:26 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 34 min |
| May 26, 10:25 PM CDT | Flash Flood Warning | EWX | Bexar, Guadalupe | 3 hr |
| May 27, 3:00 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 75 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999
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.