Flash Flood, Bexar
- When
- June 21, 10:00 AM CST to 12:00 PM CST
- Where
- Bexar County, San Antonio
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 29.449, -98.520 (the zone’s center; the record gives no point)
Flash Flooding in Texas, June 21, 1999
Rainfall of between 2 and 3 inches fell over Comal, Guadalupe and northern Bexar Counties. Isolated totals of 4 inches were reported in Guadalupe County and in the northern part of San Antonio in Bexar County.
Where it happened
Every event with a place to put it; 3 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
- $18,000
- Crop damage
- None recorded
- Events
- 3
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 EWX wrote it up.
Rainfall of between 2 and 3 inches fell over Comal, Guadalupe and northern Bexar Counties. Isolated totals of 4 inches were reported in Guadalupe County and in the northern part of San Antonio in Bexar County. Flash flooding was reported along Salado Creek near Loop 410 in San Antonio. Widespread flash flooding also developed in western Guadalupe County, west of Seguin. In Comal County, up to as much as 6 inches fell just west of New Braunfels, also resulting in widespread flash flooding.
The radar
The Austin/San Antonio radar (KEWX), 55 km away, was scanning. The volume nearest the first event began at 16:00 UTC.
Event by event
3 flash flood. Local standard time, as filed.
Flash Flood, Comal
- When
- June 21, 11:00 AM CST to 1:30 PM CST
- Where
- Comal County, South Portion
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.808, -98.278 (the zone’s center; the record gives no point)
Flash Flood, Guadalupe
- When
- June 21, 12:00 PM CST to 1:30 PM CST
- Where
- Guadalupe County, West Portion
- Property damage
- $3,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 29.583, -97.949 (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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Rip Current in Florida, June 21, 1999
- Tornadoes and Hail in Montana, June 21, 1999
- Hail in North Dakota, June 21, 1999
- Flash Flood and Damaging Wind in Texas, June 21, 1999
- Flash Flooding in Texas, June 21, 1999
- Flash Flooding in Texas, June 21, 1999
- Lightning Strike in Florida, June 21, 1999
- Lightning Strike in Colorado, June 21, 1999
- Hail and Damaging Winds in Montana, June 21, 1999
- Hail in North Dakota, June 21, 1999
- Hail and Damaging Wind in Minnesota, June 21, 1999
- Hail in Nebraska, June 21, 1999
More
Every storm in Texas in 1999Every state in 1999This day in weather historyWarnings in Texas, June 1999
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: 5699001, 5699087, 5699088.