Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 9, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Feb 25, 1998, 5:00 PM CST for Brown 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
- Feb 25, 1998, 5:00 PM CST (23:00 UTC)
- Expired
- Feb 25, 1998, 6:00 PM CST
- In force
- 60 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Brown County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 5:15 PM CST | Hail 0.75 | Brownwood, 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 nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.0 hours before the alert went out and 320 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
- 80 J/kg
- Mixed-layer CIN
- -591 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 25, 2:42 PM CST, 2 hours 18 minutes earlier.
Area forecast discussion, Feb 25, 2:42 PM CST, 2 hours 18 minutes before
AREA FORECAST DISCUSSION...UPDATED CCF NATIONAL WEATHER SERVICE SAN ANGELO TX 242 PM CST WED FEB 25 1998 INCREASED POPS A BIT PER CURRENT SATELLITE/RADAR TRENDS. ABI 040/061 20 SJT 036/063 20 JCT. 040/064 40 15
In the hours before
Special weather statement, Feb 25, 2:29 PM CST, 2 hours 31 minutes before
TXZ049-053-054-064>066-071>073-076>078-098-099-113-114-127-128- 139-140-154-155-168>170-261405- WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 229 PM CST WED FEB 25 1998 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF WEST CENTRAL TEXAS SOUTHEAST OF A SONORA TO EDEN TO CROSS PLAINS LINE LATE THIS AFTERNOON THROUGH THIS EVENING.... A VIGOROUS UPPER LEVEL STORM SYSTEM WILL INTERACT WITH A SURFACE DRYLINE...DAYTIME HEATING...AND AMPLE MOISTURE TO PRODUCE ISOLATED TO WIDELY SCATTERED STRONG TO SEVERE THUNDERSTORMS OVER WEST CENTRAL TEXAS BY LATE THIS AFTERNOON. WITH MODERATE LEVELS OF INSTABILITY AND VERTICAL WIND SHEAR...A FEW STORMS COULD REACH SEVERE LEVELS. THE MAIN SEVERE WEATHER THREATS WILL BE FOR LARGE HAIL AND DAMAGING WINDS. HOWEVER...SURFACE WINDS OVER THE HEARTLAND AND NORTHWEST HILL COUNTRY MAY BECOME FAVORABLE FOR A ISOLATED TORNADOES TO BECOME POSSIBLE. THESE STORMS WILL MOVE EAST INTO CENTRAL TEXAS BY MIDNIGHT WITH NO ADDITIONAL THUNDERSTORMS EXPECTED. SPOTTER ACTIVATION MAY BE REQUIRED. THIS OUTLOOK WILL RESUME SCHEDULED ISSUANCE ON MARCH 1 1998. HOWEVER... THIS OUTLOOK WILL CONTINUE TO BE ISSUED AS NEEDED WHEN THUNDERSTORMS THREATEN WEST CENTRAL TEXAS. 15
Special weather statement, Feb 25, 2:29 PM CST, 2 hours 31 minutes before
TXZ049-053-054-064>066-071>073-076>078-098-099-113-114-127-128- 139-140-154-155-168>170-261405- WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 229 PM CST WED FEB 25 1998 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF WEST CENTRAL TEXAS SOUTHEAST OF A SONORA TO EDEN TO CROSS PLAINS LINE LATE THIS AFTERNOON THROUGH THIS EVENING.... A VIGOROUS UPPER LEVEL STORM SYSTEM WILL INTERACT WITH A SURFACE DRYLINE...DAYTIME HEATING...AND AMPLE MOISTURE TO PRODUCE ISOLATED TO WIDELY SCATTERED STRONG TO SEVERE THUNDERSTORMS OVER WEST CENTRAL TEXAS BY LATE THIS AFTERNOON. WITH MODERATE LEVELS OF INSTABILITY AND VERTICAL WIND SHEAR...A FEW STORMS COULD REACH SEVERE LEVELS. THE MAIN SEVERE WEATHER THREATS WILL BE FOR LARGE HAIL AND DAMAGING WINDS. HOWEVER...SURFACE WINDS OVER THE HEARTLAND AND NORTHWEST HILL COUNTRY MAY BECOME FAVORABLE FOR A ISOLATED TORNADOES TO BECOME POSSIBLE. THESE STORMS WILL MOVE EAST INTO CENTRAL TEXAS BY MIDNIGHT WITH NO ADDITIONAL THUNDERSTORMS EXPECTED. SPOTTER ACTIVATION MAY BE REQUIRED. THIS OUTLOOK WILL RESUME SCHEDULED ISSUANCE ON MARCH 1 1998. HOWEVER... THIS OUTLOOK WILL CONTINUE TO BE ISSUED AS NEEDED WHEN THUNDERSTORMS THREATEN WEST CENTRAL TEXAS. 15
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.