Alert archive / Texas / Tornado Watches in 1998
Tornado Watch 62
The Storm Prediction Center issued this tornado watch at Feb 25, 1998, 9:30 PM CST for 37 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 25, 1998, 9:30 PM CST (03:30 UTC)
- Expired
- Feb 26, 1998, 3:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Atascosa County, TX, Austin County, TX, Bastrop County, TX, Bee County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Falls County, TX, Fayette County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, La Salle County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Live Oak County, TX, Madison County, TX, McMullen County, TX, Milam County, TX, Refugio County, TX, Robertson County, TX, Travis County, TX, Victoria County, TX, Washington County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 37 km from the middle of the area, began a volume at 03:32 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.
Warnings issued inside it
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 9:36 PM CST | Severe Thunderstorm Warning | FWD | Bell, McLennan | 69 min |
| Feb 25, 9:48 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe | 57 min |
| Feb 25, 10:03 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 57 min |
| Feb 25, 10:08 PM CST | Severe Thunderstorm Warning | FWD | Falls | 67 min |
| Feb 25, 10:17 PM CST | Severe Thunderstorm Warning | FWD | Milam | 58 min |
| Feb 25, 10:29 PM CST | Severe Thunderstorm Warning | HGX | Burleson | 61 min |
| Feb 25, 10:36 PM CST | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 69 min |
| Feb 25, 10:38 PM CST | Severe Thunderstorm Warning | FWD | Limestone, Robertson | 67 min |
| Feb 25, 10:49 PM CST | Severe Thunderstorm Warning | HGX | Brazos | 61 min |
| Feb 25, 11:02 PM CST | Severe Thunderstorm Warning | CRP | La Salle | 43 min |
| Feb 25, 11:08 PM CST | Severe Thunderstorm Warning | EWX | Frio | 52 min |
| Feb 25, 11:13 PM CST | Severe Thunderstorm Warning | FWD | Freestone, Leon | 62 min |
| Feb 25, 11:25 PM CST | Severe Thunderstorm Warning | EWX | Fayette | 65 min |
| Feb 25, 11:25 PM CST | Severe Thunderstorm Warning | HGX | Washington | 60 min |
| Feb 25, 11:31 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 29 min |
| Feb 25, 11:38 PM CST | Severe Thunderstorm Warning | HGX | Grimes, Madison | 62 min |
| Feb 26, 12:41 AM CST | Severe Thunderstorm Warning | EWX | Bexar, Comal | 64 min |
| Feb 26, 12:48 AM CST | Severe Thunderstorm Warning | EWX | Caldwell, Guadalupe, Hays | 57 min |
| Feb 26, 12:56 AM CST | Severe Thunderstorm Warning | EWX | Bastrop | 64 min |
| Feb 26, 1:15 AM CST | Severe Thunderstorm Warning | EWX | Lavaca | 45 min |
| Feb 26, 1:15 AM CST | Severe Thunderstorm Warning | EWX | Lee | 45 min |
| Feb 26, 1:25 AM CST | Severe Thunderstorm Warning | HGX | Colorado | 60 min |
| Feb 26, 1:41 AM CST | Severe Thunderstorm Warning | EWX | Atascosa, Bexar | 34 min |
| Feb 26, 2:21 AM CST | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Guadalupe, Wilson | 69 min |
| Feb 26, 2:26 AM CST | Severe Thunderstorm Warning | EWX | Comal | 64 min |
| Feb 26, 2:35 AM CST | Flash Flood Warning | EWX | Fayette, Lavaca | 4 hr |
| Feb 26, 2:40 AM CST | Flash Flood Warning | HGX | Washington | 3 hr |
| Feb 26, 2:41 AM CST | Severe Thunderstorm Warning | CRP | Live Oak | 64 min |
| Feb 26, 2:44 AM CST | Severe Thunderstorm Warning | EWX | Karnes | 61 min |
| Feb 26, 2:49 AM CST | Severe Thunderstorm Warning | EWX | Caldwell, Gonzales | 56 min |
| Feb 26, 3:00 AM CST | Severe Thunderstorm Warning | CRP | Bee | 60 min |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 3.5 hours before the alert went out and 193 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
- 1002 J/kg
- Mixed-layer CIN
- -324 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
858 WWUS9 KMKC 260303 SEL2 MKC WW 260303 TXZ000-260900- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 62 STORM PREDICTION CENTER NORMAN OK 903 PM CST WED FEB 25 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND SOUTHEAST TEXAS EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 930 PM UNTIL 300 AM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES WEST SOUTHWEST OF BEEVILLE TEXAS TO 50 MILES EAST NORTHEAST OF TEMPLE TEXAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 61. WATCH NUMBER 61 WILL NOT BE IN EFFECT AFTER 930 PM CST. CONTINUE...WW 59...WW 60... WW 59 AND WW 60 WILL BE REPLACED BY NEW SEVERE THUNDERSTORM WATCH SHORTLY. DISCUSSION...SEVERE THUNDERSTORMS ARE MOVING EASTWARD ACROSS CENTRAL TEXAS AHEAD OF STRONG UPPER TROUGH MOVING ACROSS WEST TEXAS. CONVECTION IS MOVING INTO INCREASINGLY MOIST/UNSTABLE AIR MASS WITH LUFTED INDEX TO -7. VAD WIND PROFILES SHOW STRONG SOUTHERLY FLOW JUST ABOVE THE SURFACE...VEERING AND INCREASING IN SPEED WITH HEIGHT. PROFILES SUGGEST CONTINUED THREAT FOR SUPERCELL DEVELOPMENT...ESPECIALLY OVER SOUTH CENTRAL TEXAS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 480. MEAN STORM MOTION VECTOR 22040. ...WEISS 280,0993 311,0975 311,0951 280,0971
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 8:30 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bastrop, Bexar, Blanco, Burleson, Caldwell and 19 more | 6 hr |
| Feb 25, 9:30 PM CST | Severe Thunderstorm Watch | SPC | Anderson, Bowie, Camp, Cass, Cherokee, Dallas and 24 more | 6 hr |
| Feb 26, 12:00 AM CST | Severe Thunderstorm Watch | SPC | Angelina, Austin, Brazoria, Chambers, Cherokee, Fort Bend and 25 more | 6 hr |
| Feb 26, 6:30 AM CST | Severe Thunderstorm Watch | SPC | Chambers, Galveston, Hardin, Jasper, Jefferson, Newton and 3 more | 6 hr |
| Feb 26, 5:45 PM CST | Severe Thunderstorm Watch | SPC | Bosque, Brown, Burnet, Comanche, Coryell, Edwards and 23 more | 4 hr |
Nearby
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.