[californiadisasters] On This Date In CA Weather History (July 12)

On This Date In California Weather History...

1999: Heavy thunderstorms hit the mountains and deserts each day starting on 7.11 and ending on 7.13.
Rainfall rates included 1.65 inches in less than 30 minutes at Lake Henshaw, 1.57 inches in 20 minutes at Big Bear City, 1.4 inches in 30 minutes at Sugarloaf, 1.6 inches in 85 minutes at Forest Falls, one inch in one hour at Pine Cove, one inch in 25 minutes at Shelter Valley.
One inch per hour rain rate occurred at Phelan.
Two were killed and dozens were injured.
Six homes were destroyed and many more were damaged.
A twenty foot 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.
On this day a tornado hit six miles east of Julian in Shelter Valley, although recorded wind speeds nearby were 43 mph.
Building and structure damage occurred, trees were uprooted and knocked over.
On this day 0.98 inch of rain fell in Victorville, the greatest daily amount on record for July.

1992: Remnants of Hurricane Darby unleashed heavy rains over the Sierra Nevada and nearby foothills.
Two to three inches of rain fell on a burn area above Oakhurst which resulted in flooding along the main road in town.
Cars, homes and businesses were damaged, with two feet of water reported in some homes.

1968: The minimum temperature was 90° in Borrego Springs, the highest minimum temperature on record.
This also occurred on 7.11.2002.

1957: A heavy thunderstorm struck Redlands at 2:35 pm with one inch of rainfall in 30 minutes.
Lightning, hail and "winds, which blew alternately from every point of the compass" accompanied the storm.
Within 10 minutes streets were flooded in Redlands.
One girl drowned while swept nearly a mile down a storm drain.
Just after 3 pm the sun was out and streets were dry.

1954: Heavy thunderstorms struck the Morongo Basin.
Flash floods hit Morongo Valley, Yucca Valley and Twentynine Palms.
Numerous roads were severely damaged and closed.
Some roads were left covered in sand and mud.

Source: NWS Hanford & San Diego

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