Thursday, August 15, 2019

[CaliforniaDisasters] On This Date In California Weather History (August 15)

2005: Thunderstorms unleashed heavy rain fell in California City during the evening hours resulting in flash flooding.
The California City Fire Department recorded 5" of rain in just an hour! Portions of Highway 14 and Highway 58 flooded.
In addition, the heavy rain caused some roofs to leak.
Thunderstorm winds also damaged roofs and signs as well as uprooted trees.
In addition, hail accompanied the storm damaging cars.
Lightning also damaged a traffic light at the center of the town and also struck the city water tanks.

2004: A thunderstorm dropped 1"-2" of rain on Death Valley in a short time.
Flash flooding and debris flows along Hwy 190 killed two people in a pickup truck that was washed off the highway.
About 3 miles of road was totally washed away and the National Park was closed for 10 days.
13 miles of Hwy 190 was closed nearly 9 months for repairs to 13 miles of damaged roads.
Damage exceeded $20 million.

2001: A strong dust devil in Menifee (Riverside Co.) took down a shed.

2000: Shasta Lake was ignited by a rapidly moving wildfire apparently ignited from a spark from a power tool and charred at least 350 acres by nightfall.
The blaze, dubbed The Union Incident, set digger pines ablaze like matchsticks and hot embers drifted into fields of dry grass sparking one spot fire after another.

1996: Triple digit temperatures and low relative humidities in San Luis Obispo County contributed to the spread of the Highway 58 Fire which began on this day.
Over the course of a week this lingering weather pattern would cause this conflagration to consume 106,668 acres and a dozen homes mostly on the Los Padres National Forest and consume nearly the entirety of the Machesna Wilderness Area in the Santa Lucia Mountains.

1994: Temperatures in the hundred-teens with single-digit humidity caused the Highway 41 Fire in the Santa Lucia Range in San Luis Obispo County to explode across the coast ranges.
At the peak of the burn 7,000 acres per hour and 2 acres per second were consumed.
Ultimately, 48,352 acres were burned along with 42 homes over the course of mostly just two days.

1991: The U.S. Coast Guard station at Lake Tahoe reported 8 funnel clouds mainly over the middle of Lake Tahoe.
Several of the funnel clouds eventually extended to the surface of the lake forming waterspouts.

1984: Highway 178 on the Larson Track in Kern County was flooded from heavy rain after 1.10" fell in 55 minutes.
Bodfish Creek spilled its' banks.
One house was partially destroyed.
China Lake NAS received 1.60 of rain for a storm total.

1977: Hurricane Doreen tracked north northwestward along the west coast of Baja California, dissipating over the coastal waters.
Most areas received at least 2" of rainfall with up to 8" in the mountains starting on this day to 8.17.
This occurred during the El Niño of 1977-78.
4.9" fell at Mt. Laguna, 4.5" at Borrego Palm Canyon, 4" at Palomar Mountain and Lake Henshaw, 3.26" at Borrego Springs (2.53" in 6 hours on 8.16, a 100 year event), and more than 2" in Palm Springs and in Riverside.
4.5" fell at the Salton Sea in just a few hours.
4 people died and $25 million in damage resulted in Southern California.
Debris flows and flooding from Henderson Canyon into the Borrego Springs De Anza neighborhood damaged 100 homes.
Mud flows grew to five feet deep.
Flooded roads resulted in desert areas.
Severe flooding also occurred in California's Imperial Valley.
Floods and crop damage was incurred at the Salton Sea.
Severe flooding occurs in Yuma County, and around Bullhead City, AZ.
Rainfall in Yuma, AZ, totals 2.96".

1976: Ben Lomond received .77" of rain -- a record for the month.

1971: Heavy thunderstorms strike the Joshua Tree region.
Flash flooding put debris and mud up to three feet deep on several highways around and west of Joshua Tree city.

1970: Heavy thunderstorms hit the desert.
Flash flooding wiped out highway 95 north and south of Needles, as well as Route 66 in Helendale.

1965: Virginia City, NV, recorded 1.18" of precipitation.

1961: Fierce early morning thunderstorms hit Twentynine Palms, Morongo Valley, Quail Wash, Joshua Tree, Panorama Heights, and Barstow with up to 2.23" of rain between 1 and 3 a.m.
Flood waters surged into homes, yards, and businesses, over highways, and destroyed railroad tracks and communication lines.
Debris and water were running 12 feet deep in some places.
Extensive flash flooding washed out roads, isolating Joshua Tree National Monument.
10 homes in southeast Joshua Tree were flooded.

1958: A severe thunderstorm dropped heavy rain and hail 2" in diameter in the Oak Glen area.
Tons of mud flowed from a burn area from a fire one month previous.
The mud covered orchards, Oak Glen road and left mud up to three feet deep across a 500 foot length below Ford Canyon.
The hail caused extensive apple crop damage.

1933: Tahoe City's (west shore Lake Tahoe) all-time record high temperature of 94° F was set on this date.

1918: An unseasonable cold front went through the Southern California region, producing some of the lowest maximum temperatures on record.

1910: The Turtle Bay Sawmill and lumber yard was destroyed by a fire that started in the boiler house.
A million feet of lumber piled up in the yard was destroyed.
Eight thousand feet of the finest grade sugar pine stored in the dry house and a warehouse full of lumber went up with the rest.

Source: NWS San Francisco/Monterey, Hanford, Phoenix, & San Diego as well as the Redding Record-Searchlight

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