Tuesday, September 28, 2010
[californiadisasters] On This Date In CA Weather History (September 26)
On This Date In California Weather History....
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 5.50 inches in Mt. San Jacinto, 4.70 inches in Mt. Laguna, 4.41 inches in Mt. San Gorgonio, three to four inches at several other locations in mountains, 3.07 inches in Twentynine Palms, 1.5 to two inches at Coachella and Borrego Valleys, 2.88 inches in Hemet, and one to two inches 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.
1982: The remnants of Hurricane Olivia recurved northeastward across Southern California with rainfall up to four inches in the mountains starting on 9.24 and ending on this day. This occurred during the strong El Niño 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.
Eight 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.
1963: Record high of 107 degrees 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° on this day established an all-time record high for San Diego, surpassing the previous record of 110° degrees on 9.17.1913.
It was 95° at 8 am! In El Toro it was 113°, the hot spot in the nation for the date.
Other records include: 112° at El Cajon, 110° at Santa Ana, the highest temperature on record for September, 109° at Imperial Beach, 108° at Carlsbad, Oceanside, Santee and Chula Vista, 107° at SDSU, Lemon Grove, La Mesa and Escondido, (only) 96° 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° 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° in Victorville, the earliest freezing temperature for the season on record.
1940: It was 40° in Riverside, the lowest temperature on record for September.
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 inches in 24 hours.
Mt. Wilson was deluged with 11.60 inches.
Each of these values are records for the entire month of September.
Nearly seven inches fell in three hours at Indio from one thunderstorm.
9.65 inches fell at Raywood Flat and 1.51 inches 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.
1907: The low temperature was 50° 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 Hanford & San Diego
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