Friday, July 7, 2017

[californiadisasters] On This Date In California Weather History (July 7)

2011: A very strong thunderstorm developed south of Imperial near the Mexican border during the afternoon on the 7th of July.
Strong microburst winds and heavy rain impacted the community of Calexico, damaging homes, trees and power poles.

Thunderstorms dropped 0.75" in 15 minutes and 1.22" in 40 minutes at Yucaipa Ridge.
Flooding occurred along some Mill Creek tributaries.
Mud and rock debris covered parts of Valley of the Falls Drive.

2004: A tornado touched down near Rockwell Pass in Sequoia National Park at around 12,000 feet in elevation.
This is highest altitude ever that a tornado has been observed at in the United States.
1" diameter hail also accompanied the tornado for about 15 minutes.

2001: Strong thunderstorms in Baker, CA produced 1.54" of rain in a two hour period which caused several roads to flood.
A tornado touched down in Joshua Tree causing minor damage to homes and businesses.
The most significant report included damage to a roof of an abandoned house and a patio cover torn off another home.

2001: Strong thunderstorms hit the Victor and Lucerne Valleys.
0.25" of rain fell in five minutes at Lucerne Valley.
Roads were closed due to flash flooding and mud slides.
A tornado hit Twentynine Palms and Joshua Tree.
Minor damage was incurred to homes and businesses in Joshua Tree.

1991: A F0 tornado moved across Amargosa Valley, NV (just east of Death Valley).

Highest minimum temperature records were set each day in San Diego for 15 consecutive days, starting on this day and ending on 7.24.

1918: It was 40° F in Victorville, the lowest temperature on record for July.

1905: Carmel Valley had a high temperature of 116° F.

Source: NWS San Francisco/Monterey, Hanford, Las Vegas, Phoenix, & San Diego



Posted by: Kim Noyes <>

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