2004: Tornadoes hit both Yucca Valley and Phelan.
A trained spotter reported a tornado with very intense rotation and a width of 200 yards 14 miles north northwest of Yucca Valley.
There were no reports of damage.
Thunderstorms produced severe flash flooding that damaged homes in Spring Valley Lake (Victorville) and Hesperia. Vehicles were trapped in 5' of water.
The white sand beach at Spring Valley Lake was washed away.
Water 8' deep inundated a railroad causing major delays (a train backup extending to Cajon Pass).
The damage from flash flooding exceeded $5 million.
2002: It was 112° in Victorville, the highest temperature on record for August.
This also occurred on 8.6 and 8.7 of 1998.
2001: The Fish Fire burned over 21,000 acres of land in southeast Lassen County, CA and western Washoe County, NV.
1998: Damaging winds and severe flash flooding ripped through the western part of Lake Mead.
Las Vegas Bay Marina's service dock and main access dock were blown apart resulting in approximately 100 gallons of fuel spilled.
Callville Bay Marina also sustained substantial damage from the winds. Flash flooding washed out all approved roads near Callville Bay and produced major erosion around culverts along a section of North Shore Road.
Washes between Las Vegas Bay and Callville Bay were filled bank-to-bank with up to 16 feet of water.
30 people at Boxcar Wash (near Callville Bay) were temporarily stranded and had to be rescued by Park Rangers due to flash flooding.
An intense cluster of thunderstorms produced high winds, locally heavy rain and an impressive lightning display as they rolled through the Las Vegas Valley.
Several roofs were blown off mobile homes on east Craig Road in North Las Vegas and gusts up to 72 mph were measured at Apex.
Firefighters had to rescue at least five motorists stranded by flash flood waters in the area of Cheyenne Avenue and Las Vegas Boulevard.
Lightning strikes damaged several transformers, temporarily cutting electricity to about 7,200 people.
Lightning also struck a home in the northwest area of Summerlin causing minor damage.
1998: Strong thunderstorms developed each day in the valleys and the deserts of Southern California starting on 8.12 and ending on this day.
Flash flooding and very strong winds resulted in Apple Valley.
A thunderstorm in Hemet produced a downburst with winds to 70 mph and 0.75" hail that damaged buildings, trees, and power lines.
Golf ball size hail fell at Cajon Pass.
1.6" of rain fell in 30 minutes at Boulevard.
1996: Mount Hamilton (East Bay) had a high temperature of 89° F.
1994: The low temperature was 77° F in Riverside, the highest minimum temperature on record.
1992: A whopping 6.12" of rain fell in Palomar Mountain, the greatest daily amount on record for August.
1987: A very unseasonable storm from Alaska brought light rainfall to the area: 0.01" at San Diego, 0.07" at SDSU and Chula Vista, and 0.05" at Montgomery Field and Brown Field.
1984: Thunderstorms flooded streets in Las Vegas, NV, with up to 4 feet of water.
A school bus with 80 students aboard became stuck in mud.
A school bus with 80 students aboard became stuck in mud.
1977: Hurricane Doreen paralleled the west coast of Baja before dissipating west of San Diego. Severe flooding occurs in Yuma County, and around Bullhead City.
Rainfall in Yuma totals 2.96".
Severe flooding also occurred in California's Imperial Valley.
1965: A heavy thunderstorm struck Yucaipa.
A flash flood came down Wildwood Canyon for an hour, washing out some roads and flooding streets.
A pickup truck driver was swept about 1200 feet, but climbed out unhurt.
1963: A terrible thunderstorm hit Oak Glen with about 2" of rain between noon and 3 pm.
The thunderstorm was heavier to the north along Yucaipa Ridge.
Disastrous debris flows damaged numerous homes, farms, roads, and a church.
Two boys were rescued from the flooding creek.
1955: Heavy thunderstorms struck Forest Home (now Forest Falls) and Barstow.
In Forest Home torrents of water up to 6' deep swept down Mill Creek Canyon leaving up to 5' of sand and rocks on the road.
Huge boulders rolled onto the roadways.
1933: Bakersfield reached a sweltering 117° F for a high temperature, an all-time record for the month of August.
Hanford reached 115° F for the second day in a row, tying an all-time record high for the month of August set on the previous date.
1920: The high temperature at Reno, NV was 102° F.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, Phoenix, & San Diego
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