Gusty Mono Winds blew across the southern Sierra with gusts clocked as high as 93 mph.
Numerous trees blew down near El Portal and Foresta and property damage occurred in
Oakhurst and Ponderosa Basin.
Overall 3600 customers lost power in
A mid and upper level trough dug southward from the northern Rockies on November 19th and by the evening of the 20th formed an upper low over northern Nevada which eventually closed off and moved towards southern California by the morning of the 21st.
This low remained over southern California into the 22nd.
Most of the snow fell across the area on the 21st into the 22nd. There were three main areas of heavy snow that fell from this storm.
These were in the Morongo Basin area of California, mainly in the town of Yucca Valley, the Spring Mountains of southern Nevada and the higher elevations of central Mohave County in Arizona.
Snow fell as low as 2000 feet in San Bernardino County and as low as 3400 feet in the Spring Mountains.
Specific totals included 18" in the Sky Harbor area in Yucca Valley at 3900 feet in elevation, 12" in Yucca Valley around 3500 feet in elevation and 2" in Joshua Tree.
On Mt. Charleston (NW of Las Vegas, NV), totals ranged from 23" in Kyle Canyon at 7450 feet to 36" at the ski resort in Lee Canyon.
In northwest Arizona, 24" fell at the top of Hualapai Mountain with 12.3" measured at Diamond M Ranch and 2" recorded in Kingman, AZ.
Snowfall totals over a foot in these areas are significant amounts in the middle of winter, let alone so early in the season. 2004:
Thundersnow started on
the evening of 11.20 in
the upper desert and snow continued until 11.22.
Widespread snow reports of two feet with drifts to three feet came from Wrightwood, Lake Arrowhead, Big Bear and the Palm Springs Tramway (at 8,500 feet).
The snow level was as low as 1,000 feet.
18"-20" of snow fell in
foothills south of YuccaValley, 14" fell in
Phelan, 9"-12" in
Hesperia and Apple Valley, 9" in
Yucaipa and Calimesa and up to 3" throughout the southern Inland Empire.
Tree damage resulted in
lower elevations, which caused house damage and power outages.
Snow lined I-10 near Calimesa for a few days following the end of the snow. On this
day the storm brought wind gusts to 84 mph to Fremont Canyon and 62 mph to northern San Bernardino. 2002:
Fresno reached a high of 81° F, making it the latest 80° F or better high temperature on
record.1977: Saint Helena received 5.19" of rain -- a record for the month. 1972:
Santa Barbara hits 105° F, establishing an all-time high for the month. 1967:
A moist subtropical storm system that started on
11.18 ended on this
14"+ of precipitation fell in
the mountains above LA, 7.96" fell in
Flooding was called the "worst since 1934."
Two were killed.
Flash flooding and mud slides resulted.
400 were stranded in
the mountains due to closed highways. On this
day 0.51" fell in
San Diego in
10 minutes, the greatest 10 minute rainfall on
Extremely destructive Santa Ana winds started on this
day and ended on
Winds produced a 28,000 acre brush fire on
a 40-mile front west of Crystal Lake.
People were ordered off the streets in
some areas due to flying debris.
12 of 33 passengers on
an airplane over Ontario were hurt by a downdraft in
Paint was completely stripped off of windward sides of four cars stalled in
a Fontana sandstorm.
1950: A series of storms deposited heavy rain which combined with melting snow to produce
severe flooding in Reno, NV. 1924:
It was 97° F in
Riverside, the highest temperature on
record for November
also occurred on
12" of snow fell at Cedarville (in
Surprise Valley, Modoc Co.). 1884:
A heavy winter storm brought 4" of rain to LA, and 6" to Cajon Pass, where newly laid railroad track was washed out and numerous mud slides occurred.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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