Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 171, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1998, 4:14 PM CDT for Blanco County, Texas. It was in force for 61 min. 2 reports 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
- Jun 5, 1998, 4:14 PM CDT (21:14 UTC)
- Expired
- Jun 5, 1998, 5:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Blanco County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 4:20 PM CDT | Hail 0.75 | Johnson City, TX | |
| Jun 5, 4:30 PM CDT | Hail 1.5 | Twin Sisters, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 5, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.2 hours before the alert went out and 256 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
- 2397 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
357 WUUS1 KSAT 052116 RRA SVRSAT TXC031-052215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 414 PM CDT FRI JUN 5 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BLANCO COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 515 PM CDT * AT 410 PM CDT... A SEVERE THUNDERSTORM WAS INDICATED JUST NORTHEAST OF KENDALIA... BY NATIONAL WEATHER SERVICE RADAR... MOVING NORTHEAST AT 30 MPH. * SOME CITIES AND LOCATIONS IN THE PATH OF THIS STORM ARE... BLANCO 430 PM CDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 10:11 PM CDT | Severe Thunderstorm Warning | EWX | Zavala | 49 min |
| Jun 5, 2:52 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 63 min |
| Jun 5, 3:31 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 29 min |
| Jun 5, 3:37 PM CDT | Severe Thunderstorm Warning | EWX | Comal | 53 min |
| Jun 5, 3:40 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 65 min |
| Jun 5, 3:53 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 62 min |
| Jun 5, 4:06 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 64 min |
| Jun 5, 4:14 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Guadalupe | 61 min |
| Jun 5, 4:41 PM CDT | Tornado Warning | EWX | Caldwell | 64 min |
| Jun 5, 5:07 PM CDT | Tornado Warning | EWX | Fayette, Gonzales | 58 min |
| Jun 5, 5:11 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 64 min |
| Jun 5, 5:28 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 67 min |
| Jun 5, 5:40 PM CDT | Flash Flood Warning | EWX | Fayette | 3 hr |
| Jun 5, 6:52 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 63 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.