Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 118, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 7, 1998, 6:45 PM CST for Guadalupe County, Texas. It was in force for 60 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
- Mar 7, 1998, 6:45 PM CST (00:45 UTC)
- Expired
- Mar 7, 1998, 7:45 PM CST
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Guadalupe County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 7, 6:50 PM CST | Hail 1.5 | Geronimo, TX | Reported by Amateur Radio spotters. |
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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 214 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
- 539 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 1710 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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, Mar 7, 4:27 PM CST, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
427 PM CST SAT MAR 07 1998
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0415 PM LLANO TX 1.75 INCH HAIL
03/07/98 LLANO 8 TO 9 MILES WEWT OF
LLANO NEAR HWY 152Special weather statement, Mar 7, 5:45 PM CST, 1 hour before
TXZ171>173-183>194-202>209-217>225-228-081200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 545 PM CST SAT MAR 7 1998 AN AREA OF SEVERE THUNDERSTORMS WILL MOVE ACROSS CENTRAL TEXAS INTO SOUTHEAST TEXAS EARLY THIS EVENING WITH NO HAZARDOUS WEATHER EXPECTED FOR THE REST OF TONIGHT OR SUNDAY FOR THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS. RESIDENTS OF CENTRAL TEXAS SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO...LOCAL RADIO AND TV...AND CABLE TV STATIONS FOR THE LATEST WEATHER FORECASTS AND ADVISORIES UNTIL THE STORMS PASS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT www.srh.noaa.gov/ewx OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz.
Special weather statement, Mar 7, 5:45 PM CST, 1 hour before
TXZ171>173-183>194-202>209-217>225-228-081200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 545 PM CST SAT MAR 7 1998 AN AREA OF SEVERE THUNDERSTORMS WILL MOVE ACROSS CENTRAL TEXAS INTO SOUTHEAST TEXAS EARLY THIS EVENING WITH NO HAZARDOUS WEATHER EXPECTED FOR THE REST OF TONIGHT OR SUNDAY FOR THE TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS. RESIDENTS OF CENTRAL TEXAS SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO...LOCAL RADIO AND TV...AND CABLE TV STATIONS FOR THE LATEST WEATHER FORECASTS AND ADVISORIES UNTIL THE STORMS PASS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT www.srh.noaa.gov/ewx OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 6:18 PM CST | Severe Thunderstorm Warning | EWX | Comal | 42 min |
| Mar 7, 6:59 PM CST | Severe Thunderstorm Warning | EWX | Caldwell | 31 min |
| Mar 7, 7:04 PM CST | Tornado Warning | EWX | Guadalupe | 26 min |
| Mar 7, 7:15 PM CST | Tornado Warning | EWX | Gonzales | 45 min |
| Mar 7, 8:49 PM CST | Severe Thunderstorm Warning | EWX | Frio, Medina | 56 min |
| Mar 7, 9:08 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 67 min |
| Mar 7, 9:23 PM CST | Severe Thunderstorm Warning | EWX | Atascosa, Bexar | 37 min |
| Mar 7, 9:48 PM CST | Severe Thunderstorm Warning | EWX | Wilson | 57 min |
| Mar 7, 9:56 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 34 min |
| Mar 7, 10:17 PM CST | Severe Thunderstorm Warning | EWX | DeWitt, Gonzales, Karnes, Lavaca | 58 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.