Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 21, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 25, 1997, 12:07 AM CST for Stephens County, Texas. It was in force for 68 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 25, 1997, 12:07 AM CST (06:07 UTC)
- Expired
- Mar 25, 1997, 1:15 AM CST
- In force
- 68 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Stephens County, TX
The radar
The Dyess AFB radar (KDYX), 45 km from the middle of the area, began a volume at 06:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 12:32 AM CST | Hail 0.75 | Breckenridge, 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 |
|---|---|---|---|
| Mar 24, 10:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 6.1 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
- 986 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1525 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFTW 250608 RRA SVRFTW TXC429-250715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 1207 AM CST TUE MAR 25 1997 THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL TEXAS ...STEPHENS COUNTY AT 1205 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING OVER HUBBARD CREEK RESERVOIR. THIS STORM WILL LIKELY PRODUCE GOLFBALL HAIL AS IT MOVES INTO THE BRECKENRIDGE AREA BY 1230 AM. THIS STORM WAS MOVING EAST AT 35 MPH. THIS IS A DANGEROUS STORM. AS IT APPROACHES YOU SHOULD PREPARE FOR DAMAGING WIND...LARGE HAIL...AND FREQUENT LIGHTNING. IF YOU ARE OUTSIDE MOVE TO STURDY SHELTER NOW. A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF NORTH TEXAS. SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. REMAIN ALEdRT TO RAPIDLY CHANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 3:02 AM CST | Flash Flood Warning | FWD | Palo Pinto, Parker | 118 min |
| Mar 25, 4:18 AM CST | Severe Thunderstorm Warning | FWD | Mills | 57 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.