Friday, September 26, 2014

[californiadisasters] On This Date In California Weather History (September 26)

1997: Heavy rain and thunderstorms developed on 9.24 and ended on this day.
Moisture came from the remnants of Hurricane Nora, which had moved up the Gulf of California and weakened over Yuma, AZ, giving that city more rainfall in three hours than the normal seasonal rainfall.
Rainfall totals were 5.5" in Mt. San Jacinto, 4.7" in Mt. Laguna, 4.41" in Mt. San Gorgonio, 3"-4" at several other locations in mountains, 3.07" in Twentynine Palms, 1.5"-2" at Coachella and Borrego Valleys, 2.88" in Hemet, and 1"-2" in many inland areas.
Flooding occurred in Palm Springs, Borrego Springs and Spring Valley. Traffic deaths also were a result.
The hurricane produced waves of more than 20 feet at Seal Beach and caused tidal flooding over a 14 block stretch on 9.25 and on this day.

1997: The remains of Hurricane Nora moves up the Colorado river.
The center of the storm passes directly over Yuma, where winds gust as high as 54 mph. Significant flooding occurs across western Arizona.
11.97" of rain falls in 24 hours on top of Harquahala Mountain breaking the 24 hour record of 11.4" set at Workman Creek in the 1970 Labor Day Storm.
4.06" of rain falls at the Yuma Airport.
The average annual rainfall in Yuma is 3.17".

1982: The remnants of Hurricane Olivia recurved northeastward across Southern California with rainfall up to 4" in the mountains starting on 9.24 and ending on this day.
This occurred during the strong El NiƱo of 1982-83.

1970: Drought in Southern California climaxed and hot Santa Ana winds blew starting on 9.25 and ending on 9.30.
Winds peaked at 60 mph at Cuyamaca.
The winds sparked the Laguna Fire, one of the largest in California history.
8 were killed, 400 homes were destroyed, and 185,000 acres were burned as of 9.28 from Cuyamaca to Alpine.
In all, the fire consumed whole communities of interior San Diego County.
Half a million acres were burned and caused fifty million dollars in damage.

1970: The morning low temperature at Reno was 23° F.

1963: It hit 103° F at Santa Barbara, an all-time high for the month.

1963: Record high of 107° F at Fresno and Bakersfield, warmest so late in the season for both locations.

1963: It was the hottest day on record west of mountains in San Diego County.
The maximum temperature of 111° F on this day established an all-time record high for San Diego, surpassing the previous record of 110° F degrees on 9.17.1913.
It was 95° F at 8 am! In El Toro it was 113° F, the hot spot in the nation for the date.
Other records include: 112° F at El Cajon, 110° F at Santa Ana, the highest temperature on record for September, 109° F at Imperial Beach, 108° F at Carlsbad, Oceanside, Santee and Chula Vista, 107° F at SDSU, Lemon Grove, La Mesa and Escondido, (only) 96° F at Coronado.
Crops were damaged and animals were killed.
Schools were dismissed, workers were sent home, etc.
Surf temperature dropped from 70° to 64° in one day due to the increased upwelling caused by offshore winds.
Santa Ana winds gusted to more than 50 mph in the mountains of San Diego County.

1948: It was 40° F in Santa Ana, the lowest temperature on record for September.
This also occurred on 9.9.1917 and on 9.3.1923.
It was 32° F in Victorville, the earliest freezing temperature for the season on record.
Santa Maria hit 36° F, an all-time low for the month.

1940: It was 40° F in Riverside, the lowest temperature on record for September.

1939: The third of three tropical cyclones to affect the southwestern United States unleashed 1.86" of rain on Las Vegas, NV, from the 24th-26th.

1939: "El Cordonazo" or "The Lash of St. Francis", a tropical storm that actually reached Southern California and caused the greatest September rainfall ever.
The rains began on 9.24 and ended on this day.
LA received 5.42" in 24 hours.
Mt. Wilson was deluged with 11.6".
Each of these values are records for the entire month of September.
Nearly 7" fell in 3 hours at Indio from one thunderstorm.
9.65" fell at Raywood Flat and 1.51" fell in Palm Springs.
45 were killed in floods all over Southern California, and 48 more were killed at sea in estimated seas of 40 feet.
$2 million damage was done to structures along the coast and to crops.
The eastern Coachella Valley was under two feet of water.
Californians were generally unprepared and were alerted to their vulnerability to tropical storms.
In response, the weather bureau established a forecast office for southern California, which began operations in February of 1940.

1926: Saint Helena had a low temperature of 33
° F.

1921: A tropical storm crossed the Baja peninsula southwest of Yuma, AZ, and moved up the Colorado River Valley.
Several stations along the Colorado River reported in excess of 3" of rain, including 3.65" at Yuma, AZ.
Other amounts included 1.50 at Flagstaff, 1.24 at Prescott, 0.68 at Tucson, and 0.56 at Phoenix.

1907: The low temperature was 50° F in San Diego, the lowest on record for September.

1899: 14th time the high temperature reaches into the triple digits in Bakersfield, establishing a record for the month of September.

1898: Fresno recorded 1.12" of rain.
This set a record for the wettest calendar day ever in the month of September in Fresno.

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



Posted by: Kim Noyes <>

Be sure to check out our Links Section at
Please join our Discussion Group at for topical but extended discussions started here or for less topical but nonetheless relevant messages.


No comments:

Post a Comment