Thursday, October 31, 2019

[CaliforniaDisasters] On This Date In California Weather History (October 29)

2007: One of the largest severe weather outbreaks on record in interior Central California occurred during the afternoon and evening hours of October 29th.
An upper-level low moving inland across Central California interacted with a surge of tropical moisture, triggering thunderstorms that produced hail in many places as large
as 1" in diameter and gusty winds as well as locally drenching rains.
Hardest hit was the northwest side of the City of Fresno where rainfall totals of 1"-2" were reported and a number of streets flooded quickly during the evening rush hour resulting in a number of stalled vehicles.
Nearly four hours after the thunderstorms had ended some streets in Northwest Fresno were still covered with several feet of water.
In addition, hail ranging from 0.75" to 1" in diameter fell.
The combination of the heavy rain and hail resulted in the collapse of the roof on 80,000 square foot warehouse.
Thunderstorm winds also knocked out power to 18,000 customers in Fresno.
In Tulare County, two houses had trees fall on them causing damage in Visalia and about 200 boats were damaged at a boat dock on Lake Kaweah.
Downed trees were reported in the valley from Merced County to Tulare County and eastward into the Sierra Nevada at Yosemite and Sequoia National Parks.

2000: Severe thunderstorms produced severe weather across the central and southern San Joaquin Valley.
0.75" hail fell near Merced and Chowchilla.
Funnel clouds were reported in Hanford, Visalia and Pixley.

1989: Winds gust to 50 mph at Lebec.

1981: 12" of snow fell at Truckee Ranger Station, 11" of snow fell at Donner Memorial State Park and 10" of snow fell at Tahoe City.

1974: A waterspout moved ashore to become a tornado in Encinitas.
It destroyed a horse shelter.
Four inches of snow fell in Palomar Mountain, the greatest daily snowfall on record for October.

1971: Santa Barbara hit an overnight low of 31° while Santa Maria reached 26°, both then-record lows for the month.

1971: The morning low temperature at Reno was 8°.

1971: A record breaking cold snap began to take hold of the region with Big Bear Lake dipping to 10°, Idyllwild reaching 11°, Palomar Mountain falling to 18°, Chula Vista bottoming out at 36°, Campo falling to 22°and Alpine reaching 30°.
All six values are record lows for the month of October.
Ramona tied a record low for the month with a reading of 31°.
Incredibly, this monthly record low in Ramona happened on the exact same date in 1996 and again in 2009.

1965: A very long heat wave that began on 10/20 ended on this day.
A peak temperature of 104° F was reached at San Diego and 100° F in Los Angeles on 10/22.
LA had ten consecutive days with afternoon highs reaching at least 90° F.
Riverside was above 90° F for ten straight days and Palm Springs was 100° F or higher for seven days in a row.

1961: Cuyamaca fell to 15° F, tying a record low for the month.  

1959: Fresno recorded its' highest sustained wind on record for the month of October, 40 mph from the northeast.
"Considerable" damage occurred in the central San Joaquin Valley as a result.

1946: Saint Helena had a low temperature of 23°.

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


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