Flood, San Bernardino
- When
- July 10, 8:38 PM PST to 10:00 PM PST
- Where
- San Bernardino County, Joshua Tree
- Reported by
- TRAINED SPOTTER
- Coordinates
- 34.841, -116.178 (the zone’s center; the record gives no point)
Flood in California, July 10, 1999
Thunderstorms dumped moderate to heavy rain for a little more than an hour around Joshua Tree. The runoff caused some road closures, but no significant damage.
Where it happened
Every event with a place to put it; 1 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
- 1
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 VEF wrote it up.
Thunderstorms dumped moderate to heavy rain for a little more than an hour around Joshua Tree. The runoff caused some road closures, but no significant damage. The storms also produced gusty winds which destroyed a large (30' X 20') sun porch at one residence.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood. Local standard time, as filed.
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Texas, July 10, 1999
- Flood in California, July 10, 1999
- Flash Flood and Damaging Winds in Arizona, July 10, 1999
- Hail and Damaging Winds in Georgia, July 10, 1999
- Flash Flood in Oklahoma, July 10, 1999
- Flash Flooding in Texas, July 10, 1999
- Flash Flooding in Texas, July 10, 1999
- Flash Flooding in Texas, July 10, 1999
- Damaging Wind in New Jersey, July 10, 1999
- Cold in Oklahoma, July 10, 1999
- Flood in Iowa, July 10, 1999
- Flash Flood in Texas, July 10, 1999
More
Every storm in California in 1999Every state in 1999This day in weather historyWarnings in California, July 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: 5715726.