On This Date In California Weather History (September 19)

Kim Noyes

1997: A hiker died of hypothermia after being caught in the a snowstorm in Fresno County portion of the Southern Sierra Nevada Mountains. 
The base camp was at the 12,000 foot elevation west of Bishop (Inyo County).
The hiker and a friend were unprepared for winter-like weather. 
Their sleeping bags and gear got wet in the storm. 
The hiker died in the Inyo County hospital at 1:30 PM PST on Friday the 19th.

1989: An exceptionally cold storm system for September swept down the California coast and brought early season snows to the San Gabriel and San Bernardino Mountains, including 4"-5" in Running Springs and Lake Arrowhead.
Big Bear Lake reported 1.5" of snow, the earliest measurable snowfall of the season on record.
The snow led to several traffic accidents along Highway 18 and 330.

1984: Over 1" of rain fell in just 45 minutes in Lake Isabella washing out a ¼ mile of a road, covering others with mud and destroying 2 mobile homes.

1984: A tropical air mass lasting two weeks and high sea surface temperatures led to record minimum temperature records set each day except one at San Diego starting on 9.4 and ending on this day.
Low temperatures ranged from 73° F to the highest minimum of all time of 78° F on 9.9 and 9.17.
The high was 100° F on 9.8.

1965: The morning low temperature at Reno, NV was a cold 20° F.

1963: Northeastward moving Tropical Storm Katherine made landfall in northern Baja California with rainfall of up to 6.5" in the mountains from 9.17 to this day.
3.86" fell in San Bernardino, 3.44" in Riverside, 2.66" in Victorville and Cuyamaca, 1.9" in San Diego, 1.88" in Indio, and 1.62" in Santa Ana.
Disastrous flooding and erosion hit a northern San Bernardino neighborhood.

1962: Needles, CA recorded a high temperature of 111° F, setting a daily record. 

1959: Palo Alto received 1.78" of rain.

1952: A west-northwestward moving tropical storm southwest of Baja California dissipated.
Moisture from this storm resulted in rainfall of up to 2" in the mountains and deserts starting on this day and ending on 9.21, with most falling on this day.
This occurred during the El Niño of 1951-52.

1939: A heat wave that started on 9.18 and ended on 9.22 preceded the arrival of a tropical storm called “El Cordonazo.”
High temperature records of more than 95° F occurred at San Diego each day, with the highest temperature reaching 106° F on 9.21.
A tropical cyclone moving northwestward, just off the west coast of Mexico, moved into southern Baja California and dissipated.
The moisture from this tropical cyclone generated rainfall of up to 3" in the deserts and mountains starting on this day and ending on 9.21.

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


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