Flash Flood, Knox
- When
- September 17, 11:55 PM CST to September 18, 5:05 AM CST
- Where
- Knox forecast zone
- Coordinates
- 33.606, -99.741 (the zone’s center; the record gives no point)
Flash Flooding and Hail in Texas, September 17 to 18, 1996
Overnight thunderstorms produced damaging winds, flash flooding, and hail as large as nickels in western parts of north Texas. The wind damage occurred southwest of Benjamin in Knox County and the nickel-sized hail was reported in Seymour in Baylor County.
Where it happened
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS OUN wrote it up.
Overnight thunderstorms produced damaging winds, flash flooding, and hail as large as nickels in western parts of north Texas. The wind damage occurred southwest of Benjamin in Knox County and the nickel-sized hail was reported in Seymour in Baylor County. Flash flooding resulted in road closings northeast of Gilliland and west of Benjamin in Knox County. See following individual Storm Data entries for further details and additional reports.
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 flash flood, 2 hail. Local standard time, as filed.
Flash Flood, Baylor
- When
- September 17, 11:55 PM CST to September 18, 5:05 AM CST
- Where
- Baylor forecast zone
- Coordinates
- 33.617, -99.213 (the zone’s center; the record gives no point)
Hail, Knox
- When
- September 17, 11:55 PM CST to September 18, 5:05 AM CST
- Where
- Knox forecast zone
- Measured
- 0.88 in hail
- Coordinates
- 33.606, -99.741 (the zone’s center; the record gives no point)
Hail, Baylor
- When
- September 17, 11:55 PM CST to September 18, 5:05 AM CST
- Where
- Baylor forecast zone
- Measured
- 0.88 in hail
- Coordinates
- 33.617, -99.213 (the zone’s center; the record gives no point)
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood in Pennsylvania, September 17, 1996
- Flash Flood in Pennsylvania, September 17, 1996
- Lightning Strike in New Mexico, September 17, 1996
- Flash Flood in Colorado, September 17 to 18, 1996
- Flash Flood in New York, September 17, 1996
- Tornado in North Carolina, September 17, 1996
- Strong Wind in New York, September 17 to 18, 1996
- Damaging Wind in North Carolina, September 17, 1996
- Flash Flood in North Carolina, September 17, 1996
- Flash Flood in New Jersey, September 17, 1996
- Damaging Wind in North Carolina, September 17, 1996
- Damaging Wind in Louisiana, September 17, 1996
More
Every storm in Texas in 1996Every state in 1996This day in weather historyWarnings in Texas, September 1996
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5571506, 5571507, 5725114, 5725116.