Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 342, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Oct 25, 1997, 12:59 PM CDT for Collin County, Hunt County, Texas. It was in force for 61 min. 2 reports 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
- Oct 25, 1997, 12:59 PM CDT (17:59 UTC)
- Expired
- Oct 25, 1997, 2:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
Counties Collin County, TX, Hunt County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 112 km from the middle of the area, began a volume at 18:03 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 |
|---|---|---|---|
| Oct 25, 2:00 PM CDT | Thunderstorm Wind 61 | Quinlan, TX | |
| Oct 25, 2:00 PM CDT | Hail 1 | Greenville, 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 |
|---|---|---|---|
| Oct 25, 12:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 6.0 hours before the alert went out and 97 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
- 1176 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 1085 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 8.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 12:45 PM CDT | Severe Thunderstorm Warning | FWD | Grayson | 45 min |
| Oct 25, 1:08 PM CDT | Severe Thunderstorm Warning | FWD | Fannin | 67 min |
| Oct 25, 1:23 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 67 min |
| Oct 25, 1:44 PM CDT | Severe Thunderstorm Warning | FWD | Delta, Lamar | 61 min |
| Oct 25, 2:02 PM CDT | Severe Thunderstorm Warning | FWD | Henderson, Kaufman, Van Zandt | 58 min |
| Oct 25, 2:02 PM CDT | Severe Thunderstorm Warning | FWD | Rains | 58 min |
| Oct 25, 2:26 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 64 min |
| Oct 25, 2:44 PM CDT | Severe Thunderstorm Warning | FWD | Delta, Lamar | 31 min |
| Oct 25, 3:05 PM CDT | Severe Thunderstorm Warning | FWD | Henderson | 55 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.