Tuesday, September 24, 2019

[CaliforniaDisasters] On This Date In California Weather History (September 24)

2001: Thunderstorms rumbled through the Bay Area during the afternoon and evening hours of the 24th.
From noon on the 24th until 2 AM on the 25th over 4500 lightning strikes were recorded from Monterey county north to Sonoma county, with a peak of nearly 2600 strikes between 6 PM and 10 PM.

1997: The Coffee Fire started in the Southern Sierra Nevada of Tulare County and was caused from a vehicle fire. 
It reached a size of 2,470 acres within the Sequoia National Forest.  

1997: The Democrat Fire started in the Southern Sierra Nevada in Kern County. Cause was unknown but it burned 734 acres in the Sequoia National Forest near the town of Democrat Hot Springs.

1997: Heavy rain and thunderstorms developed on this day and ended on 9.26.
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 for a normal entire season.
Rainfall totals were 5.5" at Mt. San Jacinto, 4.7" Mt. Laguna, 4.41" 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, and1"-2"  in many inland areas.
Flooding occurred in Palm Springs, Borrego Springs, and Spring Valley.
Traffic deaths also resulted.

1997: The Amphitheater Fire started in the Southern Sierra Nevada in Tulare County.
It was the result of an escaped prescribed burn.   
The total burn area was 242 acres within the Sequoia/KingsCanyon National Park.

1986: Early season storm brought snow at Lodgepole and Grant Grove (Sequoia/Kings Canyon NP) with storm totals of 4" at both.

1986: Unseasonable rainfall hit San Diego County on this day and on 9/25: 1.04" fell in San Diego, 5.14" in Palomar Mountain, 2.07" in Julian, 1.95" in Los Angeles, 1.88" in Mt. Laguna, 1.61" in Lemon Grove, 1.58" in Pt. Loma, 1.57" in Vista, and 1.47" at SDSU.
Flooding occurred in low roadways in Mission Valley.
Power was knocked out over a wide area affecting over 60,000 customers.
Home games for the Angels and Dodgers were rained out.

1982: The remnants of Hurricane Olivia recurved northeastward across Southern California with rainfall up to four inches in the mountains starting on this day and ending on 9.26.
This occurred during the strong El Niño of 1982-83.

1978: Lompoc established a new record high for the month of 106° F.

1976: Already dealing with the flooding brought by Tropical Storm Kathleen earlier in the month, heavy rain of 2"-5" fell in the nighttime in Bullhead City, AZ (in Colorado River Valley near CA-NV border).
Highway 95 was flooded and cars were swept into washes.
8 people were rescued by helicopter.
Damages from this round of flooding totaled $3 million in 1976 dollars.

1976: A thunderstorm dropped 4" of rain in 3 hours in Borrego Valley.
Only 1.2" fell at the Anza Borrego Desert State Park headquarters.
Damage and erosion to fields, property, and the airport resulted.

1963: Thunderstorms hit the San Bernardino Mountains and high desert around Barstow, producing flash flooding east of Barstow.

1958: The morning low temperature at Reno was 21° F.

1945: It was 26° F in Idyllwild, the lowest temperature on record for September.
This also occurred the previous day on 9.23.1945, on 9.20.1965, and on 9.21.1968.

1939: A thunderstorm on this day dropped 6.45" in six hours at Indio.
This preceded "El Cordonazo" or "The Lash of St. Francis", an actual tropical storm.
For the entire storm, which started on this day and ended on 9.26, 4" of rain fell across the deserts and mountains as a dying tropical cyclone moved across Baja California into southwestern Arizona.
This was the second tropical cyclone to impact California during the busy month of September 1939.
A strong El Niño may have contributed to the activity.
The tropical storm produced 50 mph winds over the ocean and estimated seas of 40 feet.
48 died from sinking boats and harbors were damaged.
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.

1887: Fresno reached 104° F for a high temperature.
This is the oldest high temperature record still standing in the record books for Fresno.

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


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