1999: Heavy thunderstorms hit the higher mountains each day starting on 7.11 and ending on this day.
Rainfall rates included 1.65" in less than 30 minutes at Lake Henshaw, 1.57" in 20 minutes at Big Bear City, 1.4" in 30 minutes at Sugarloaf, 1.6" in 85 minutes at Forest Falls, one inch in one hour at Pine Cove, one inch in 25 minutes at Shelter Valley.
1" per hour rain rate occurred at Phelan.
1.8" fell in 25 minutes and hail 0.75" fell at Forest Falls again on this day.
2 were killed and dozens were injured.
6 homes were destroyed and many more were damaged.
A 20 ft. high wall of water moving at 45 mph moved 70-ton boulders at Forest Falls.
Buildings washed away at Jenks Lake.
Disastrous flooding and mud slides occurred at Oak Glen, Big Bear City, and Apple Valley.
Flooding hit the Yucca Valley area, Beaumont area and Palm Springs.
Roadways were closed due to flash flooding.
1990: Thunderstorms dumped 2-3" of rain on the Sierra.
Roads were washed out at Kaiser Pass, Tioga Pass and Yosemite National Park.
One man died on Mount Whitney after being struck by lightning.
1972: The all-time high temperature record of 113° F was set at Ben Lomond.
1967: Thunderstorms hit the high desert and parts of the San Bernardino Mountains. 0.29" fell in Victorville.
Flash floods filled streets in Victorville and the Oro Grande Wash overflowed, flooding at least two homes.
A debris flow resulted on Highway 38 in Barton Flats.
Strong thunderstorm winds knocked down telephone and power poles in the high desert.
1927: The low temperature was 44° F in Riverside, the lowest temperature on record for July.
1911: Heavy rain caused flash flooding and landslides in the eastern Sierra and western Nevada.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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Rainfall rates included 1.65" in less than 30 minutes at Lake Henshaw, 1.57" in 20 minutes at Big Bear City, 1.4" in 30 minutes at Sugarloaf, 1.6" in 85 minutes at Forest Falls, one inch in one hour at Pine Cove, one inch in 25 minutes at Shelter Valley.
1" per hour rain rate occurred at Phelan.
1.8" fell in 25 minutes and hail 0.75" fell at Forest Falls again on this day.
2 were killed and dozens were injured.
6 homes were destroyed and many more were damaged.
A 20 ft. high wall of water moving at 45 mph moved 70-ton boulders at Forest Falls.
Buildings washed away at Jenks Lake.
Disastrous flooding and mud slides occurred at Oak Glen, Big Bear City, and Apple Valley.
Flooding hit the Yucca Valley area, Beaumont area and Palm Springs.
Roadways were closed due to flash flooding.
1990: Thunderstorms dumped 2-3" of rain on the Sierra.
Roads were washed out at Kaiser Pass, Tioga Pass and Yosemite National Park.
One man died on Mount Whitney after being struck by lightning.
1990: Flash flooding struck Valley of Fire State Park (near Las Vegas, NV) with 2-3 feet of water flowing over roads.
1972: The all-time high temperature record of 113° F was set at Ben Lomond.
1967: Thunderstorms hit the high desert and parts of the San Bernardino Mountains. 0.29" fell in Victorville.
Flash floods filled streets in Victorville and the Oro Grande Wash overflowed, flooding at least two homes.
A debris flow resulted on Highway 38 in Barton Flats.
Strong thunderstorm winds knocked down telephone and power poles in the high desert.
1927: The low temperature was 44° F in Riverside, the lowest temperature on record for July.
1911: Heavy rain caused flash flooding and landslides in the eastern Sierra and western Nevada.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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