Alert archive / Texas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 133, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1999, 3:00 AM CDT for Gillespie County, Llano County, Texas. It was in force for 75 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
- May 27, 1999, 3:00 AM CDT (08:00 UTC)
- Expired
- May 27, 1999, 4:15 AM CDT
- In force
- 75 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Gillespie County, TX, Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 117 km from the middle of the area, began a volume at 07:59 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, 8.0 hours before the alert went out and 233 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
Local storm report, May 26, 10:03 PM CDT, 4 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1003 PM CDT WED MAY 26 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM TX
05/26/99 BEXAR *** 1 DEAD, 1 INJ ***
LIGHTNING STRUCK A CAR AT
PLEASONTON ROAD AND LOOP
1604 IN SOUTH BEXAR
COUNTY, ONE PERSON DEAD
AND ONE INJURED, EXACT
CAUSE OF DEATH UNKNOWN.
0750 PM TX 2.75 INCH HAIL
05/26/99 KERR BASEBALL SIZE HAIL I-10
WEST OF KERRVILLE.
REPORTED BY DPS
0802 PM TX 2.75 INCH HAIL
05/26/99 GILLESPIE HARPER 9SW BASEBALL SIZE
HAIL REPORTED BY RAINFALL
OBSERVER
0920 PM TX 1.75 INCH HAIL
05/26/99 BANDERA GOLFBALL SIZE HAIL NORTH
OF BANDERA
0924 PM TX WIND DAMAGE
05/26/99 LEE TREES DOWN ON FM 112 5
MILES EAST OF LEXINGTON,
MARBLE SIZED HAIL IN
NORTHRUP
0946 PM TX 59 MPH TSTM GUST
05/26/99 TRAVIS 59 MPH WIND REPORTED AT
THE TRAVIS COUNTY SCHOOL
FOR THE DEAF,MEDIA REPORT
LARGE TREE BLOWN OVER NEAR
AIRPORT, TREE DAMAGED
CAR/BOAT REPORTED BY HAMSThe 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, 8:11 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 34 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 |
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.