Alert archive / Texas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 14, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 27, 1999, 5:47 PM CST for Lavaca 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
- Feb 27, 1999, 5:47 PM CST (23:47 UTC)
- Expired
- Feb 27, 1999, 6:35 PM CST
- In force
- 48 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lavaca County, TX
The radar
The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 23:48 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
Corpus Christi, TX (KCRP), launched 12:00Z, 11.8 hours before the alert went out and 188 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
- -215 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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
Local storm report, Feb 27, 3:41 PM CST, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
341 PM CST SAT FEB 27 1999
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0310 PM SMITHVILLE TX 1.75 INCH HAIL
02/27/99 BASTROP GOLFBALL HAIL BY PUBLIC
HWY71 IN SMITHVILLE
0320 PM BASTROP TX .88 INCH HAIL
02/27/99 BASTROP PUBLIC 5ESE BASTROP REPORT
NICKEL SIZE HAILLocal storm report, Feb 27, 3:41 PM CST, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
341 PM CST SAT FEB 27 1999
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0310 PM SMITHVILLE TX 1.75 INCH HAIL
02/27/99 BASTROP GOLFBALL HAIL BY PUBLIC
HWY71 IN SMITHVILLE
0320 PM BASTROP TX .88 INCH HAIL
02/27/99 BASTROP PUBLIC 5ESE BASTROP REPORT
NICKEL SIZE HAILThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 2:33 PM CST | Severe Thunderstorm Warning | EWX | Bastrop | 57 min |
| Feb 27, 3:30 PM CST | Severe Thunderstorm Warning | EWX | Bastrop, Fayette | 30 min |
| Feb 27, 4:03 PM CST | Severe Thunderstorm Warning | EWX | Fayette | 32 min |
| Feb 27, 4:59 PM CST | Severe Thunderstorm Warning | EWX | Gonzales, Lavaca | 51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.