Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 129, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 15, 1998, 11:47 PM CDT for Stephens County, Texas. It was in force for 43 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
- Apr 15, 1998, 11:47 PM CDT (04:47 UTC)
- Expired
- Apr 16, 1998, 12:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Stephens County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 4.8 hours before the alert went out and 145 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
- 1195 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1250 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
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
Special weather statement, Apr 15, 7:53 PM CDT, 3 hours 54 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-160500- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 753 PM CDT WED APR 15 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT OVER THE EASTERN HALF OF NORTH TEXAS. THIS SLIGHT RISK AREA IS GENERALLY ALONG AND EAST OF A GAINESVILLE...MINERAL WELLS...TO COMANCHE LINE... AND INCLUDES THE CITIES OF ATHENS...DENTON...GREENVILLE...KILLEEN... PALESTINE...PARIS...SHERMAN...STEPHENVILLE....AND THE DALLAS/FORT WORTH METROPLEX. EARLY THIS EVENING...AN AREA OF LOW PRESSURE WAS LOCATED ON THE RED RIVER NORTH OF GAINESVILLE. A DRYLINE...A BOUNDARY SEPARATING MOIST UNSTABLE AIR ON THE EAST FROM WARM DRY AIR TO THE WEST...EXTENDED SOUTHWESTWARD FROM THIS LOW...THROUGH MINERAL WELLS AND STEPHENVILLE ...TO NEAR COMANCHE. ALOFT...AN UPPER LEVEL STORM SYSTEM WAS MOVING INTO THE TEXAS PANHANDLE. SCATTERED THUNDERSTORMS WERE DEVELOPING ALONG THE DRYLINE...AND ADDITIONAL DEVELOPMENT APPEARS LIKELY AS THE UPPER LEVEL SYSTEM APPROACHES NORTH TEXAS. THE DRYLINE SHOULD MOVE EAST ACROSS THE AREA DURING THE LATE NIGHT HOURS...ENDING THE SEVERE WEATHER THREAT FOR NORTH TEXAS. THE BEST CHANCES FOR SEVERE WEATHER WILL BE NORTH OF I30 THIS EVENING...WHERE THE COMBINATION OF CONVERGENCE ALONG THE DRYLINE AND UPPER LEVEL SUPPORT ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT. FARTHER SOUTH...A LAYER OF WARM AIR IN THE MID LEVELS OF THE ATMOSPHERE SHOULD SUPPRESS THUNDERSTORM DEVELOPMENT UNTIL THE ARRIVAL OF THE UPPER LEVEL STORM SYSTEM LATER TONIGHT. THE PRIMARY SEVERE WEATHER THREAT WILL BE FROM LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. IN ADDITION...THE WIND PROFILE IN THE LOWEST 5000 FEET SHOULD BE FAVORABLE FOR A FEW STORMS CAPABLE OF PRODUCING TORNADOES. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA. ACTIVATION MAY BE REQUESTED WEST OF A PARIS...CORSICANA ...TO KILLEEN LINE BEFORE 900 PM...AND EAST OF THIS LINE ANYTIME AFTER 900 PM. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS CONCERNING THIS POTENTIALLY DANGEROUS SEVERE WEATHER THREAT. 70
Special weather statement, Apr 15, 7:53 PM CDT, 3 hours 54 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-160500- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 753 PM CDT WED APR 15 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT OVER THE EASTERN HALF OF NORTH TEXAS. THIS SLIGHT RISK AREA IS GENERALLY ALONG AND EAST OF A GAINESVILLE...MINERAL WELLS...TO COMANCHE LINE... AND INCLUDES THE CITIES OF ATHENS...DENTON...GREENVILLE...KILLEEN... PALESTINE...PARIS...SHERMAN...STEPHENVILLE....AND THE DALLAS/FORT WORTH METROPLEX. EARLY THIS EVENING...AN AREA OF LOW PRESSURE WAS LOCATED ON THE RED RIVER NORTH OF GAINESVILLE. A DRYLINE...A BOUNDARY SEPARATING MOIST UNSTABLE AIR ON THE EAST FROM WARM DRY AIR TO THE WEST...EXTENDED SOUTHWESTWARD FROM THIS LOW...THROUGH MINERAL WELLS AND STEPHENVILLE ...TO NEAR COMANCHE. ALOFT...AN UPPER LEVEL STORM SYSTEM WAS MOVING INTO THE TEXAS PANHANDLE. SCATTERED THUNDERSTORMS WERE DEVELOPING ALONG THE DRYLINE...AND ADDITIONAL DEVELOPMENT APPEARS LIKELY AS THE UPPER LEVEL SYSTEM APPROACHES NORTH TEXAS. THE DRYLINE SHOULD MOVE EAST ACROSS THE AREA DURING THE LATE NIGHT HOURS...ENDING THE SEVERE WEATHER THREAT FOR NORTH TEXAS. THE BEST CHANCES FOR SEVERE WEATHER WILL BE NORTH OF I30 THIS EVENING...WHERE THE COMBINATION OF CONVERGENCE ALONG THE DRYLINE AND UPPER LEVEL SUPPORT ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT. FARTHER SOUTH...A LAYER OF WARM AIR IN THE MID LEVELS OF THE ATMOSPHERE SHOULD SUPPRESS THUNDERSTORM DEVELOPMENT UNTIL THE ARRIVAL OF THE UPPER LEVEL STORM SYSTEM LATER TONIGHT. THE PRIMARY SEVERE WEATHER THREAT WILL BE FROM LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. IN ADDITION...THE WIND PROFILE IN THE LOWEST 5000 FEET SHOULD BE FAVORABLE FOR A FEW STORMS CAPABLE OF PRODUCING TORNADOES. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA. ACTIVATION MAY BE REQUESTED WEST OF A PARIS...CORSICANA ...TO KILLEEN LINE BEFORE 900 PM...AND EAST OF THIS LINE ANYTIME AFTER 900 PM. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS CONCERNING THIS POTENTIALLY DANGEROUS SEVERE WEATHER THREAT. 70
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:32 PM CDT | Severe Thunderstorm Warning | FWD | Jack, Young | 43 min |
| Apr 16, 12:08 AM CDT | Severe Thunderstorm Warning | FWD | Montague, Wise | 37 min |
| Apr 16, 12:28 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 47 min |
| Apr 16, 12:35 AM CDT | Tornado Warning | FWD | Wise | 40 min |
| Apr 16, 12:38 AM CDT | Tornado Warning | FWD | Denton | 52 min |
| Apr 16, 1:00 AM CDT | Severe Thunderstorm Warning | FWD | Collin | 60 min |
| Apr 16, 1:08 AM CDT | Severe Thunderstorm Warning | FWD | Grayson | 62 min |
| Apr 16, 2:48 AM CDT | Severe Thunderstorm Warning | FWD | Collin | 42 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; the sounding from the Mesonet's radiosonde archive.