[californiadisasters] On This Date In CA Weather History (September 10)

2011: Several thunderstorms dropped hail in Orange County. Reports of 1" hail came from Anaheim, Costa Mesa and Dana Point.

2004: Thunderstorms in Borrego Palm Canyon produced a wall of mud eight to ten feet high and 150 yards wide.
Severe flash flooding occurred.
In Borrego Springs 70-90 homes were damaged and a campground was washed out.

1993: China Lake NAS reached 114° for a high temperature.

1990: It was 117° in Borrego Springs, the highest temperature on record for September.
This also occurred the next day on 9.11.

1985: Biggest snowstorm so early in the season at Lodgepole, 7".

1977: Heavy rains in Little San Bernardino Mountains (Joshua Tree NP) produced a rainfall of nearly 5" in one hour above the Thousand Palms Wash.
Flash floods down Thousand Palms Wash caused extensive damage to Thousand Palms area, nearly destroying the oasis in the valley.
The California Aqueduct that runs just north of the preserve was clogged with debris, resulting in the flood of nearly a billion gallons of water through this area.

1976: Tropical Depression Kathleen moved northward through the deserts of California bringing rain to interior Central California from the 9th through the 11th.
The heaviest one day totals were on the 10th at most locations; Lodgepole set an all-time 24 hour precipitation record for the month of September with 5.06 inches of rain.
Rainfall totals for the 3 day event were between a 0.5-1.0" in the Valley, around 1.5" in the Kern deserts and averaged 1-2" in the foothills and 3-6" in the Sierra.
Specific event totals include 6.21" at Lodgepole, 3.96" at Grant Grove, 2.08" at the South Entrance to Yosemite National Park, 1.46" at China Lake NAS, 0.90" at Fresno and 0.53" at Bakersfield.
Rain caused damage to crops.

1976: Record rains that started on 9.9 ended on 9.12 came from Tropical Storm Kathleen (called a 160+ year event by meteorologists).
14.76" fell on south slopes of Mt. San Gorgonio, 10.13" at Mt. Laguna, 8" at Mt. San Jacinto, 4"+ inches in the Little San Bernardino Mountains, and 1.8" - 2.8" in the Coachella Valley.
Deep Canyon (above La Quinta) recorded 2.96" in three hours on this day.
Rainfall in the Santa Rosa Mountains above the Coachella Valley was called the "heaviest in recorded history."
Six were buried and killed in sand in Ocotillo.
Floods of record were attained at numerous streams around the Coachella Valley. 1.41" of rain fell in Santa Ana on this day, the only occurrence of precipitation for this day on record. 2.76" fell in Palm Springs and 2.34" fell in Big Bear Lake, each the greatest daily amount on record for September.
On this day 2.8" fell in 3 hours in Borrego Valley and 1.74" fell this day in LA, a daily record.
This occurred during the El Niño of 1976-77.
Hurricane Kathleen also brought the southwest the highest sustained winds ever associated with an eastern Pacific tropical cyclone with sustained winds of 57 mph at Yuma on this day.
The Padres' home game against the Houston Astros was rained out at (then) San Diego Stadium.
This is the only rainout to have occurred during September in Padres history (since 1969).

1960: North northwestward moving Hurricane Estelle dissipated west of the central Baja California coast.
The heaviest rains were over the San Diego CountyMountains with 3.40" recorded at Julian over 9.9 and this day.
A thunderstorm hit Forest Home (now Forest Falls) with 1.08" of rain in three hours, but was harder nearby.
Debris blocked the highway in Forest Home.
A severe thunderstorm struck Redlands at 3 pm with strong winds that uprooted trees.
Rainfall in about 30 minutes flooded streets and lawns.

1945: A tropical cyclone moving north northwestward just off the west coast of Baja California dissipated off the coast of northern Baja California.
Showers produced rainfall up to 2" in the mountains over 9.9 and this day.

Source: NWS Hanford, Reno, & San Diego

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