Monday, July 18, 2016

[californiadisasters] On This Date In California Weather History (July 18)



2015: Moisture from Hurricane Dolores, along with monsoon moisture resulted in showers and thunderstorms over most of Southern California on this day through 7/19.
Rainfall ranged from 0.5"
to 4", including a record 1.71" at San Diego on this day.
This was
unprecedented July rainfall: record single-day and July monthly total.
These two days recorded two of the three wettest July days on the San Diego record.
The San Diego River at Fashion Valley had two crests above monitor stage, 7.7 feet on this day
and 8.8 feet on 7/19.
A debris flow hit the burn scar of Silverado Canyon on 7/19 as well as flash floods in Moreno Valley, Perris, and La Mesa.
A wet microburst struck San Diego's Tierrasanta on this day, causing wind damage, and a haboob caused wind damage in the Anza Borrego Park and also in Palm Desert.
On this day the rain caused the first rain-out of a Los Angeles Angels baseball game since 1995, and a rare 2-hour rain delay at the San Diego Padres baseball game.
Over 2000 lightning strikes were reported on this day, some starting small brush fires.
Isolated intense thunderstorms developed across far southern Imperial County on this day.
Large hail of 1.25" was observed on this day in the town of Heber, just to the south
of El Centro, but no hail damage was reported.

2009:
Thunderstorm winds created a huge dust storm that affected much of the Yuma, AZ, area with near zero visibility.
Wind speeds were estimated to be over 60 mph, with consderable damage to property. At least one home was damaged, with trees and power lines downed by strong winds.
During the peak of the storm, 5,200 customers were without power. The Yuma airport recorded a peak gust of 48 mph just before 5 PM.

2005: It was 94° F in Big Bear Lake, the highest temperature on record.
This also occurred on 7.15.1998 and 7.15.1972.

2004: The Waterfall Fire threatened the (Nevada) state capitol building in Carson City, NV, and burned 8700 acres west of town.

1998: All-time record high temperature for any month set at Edwards AFB, 115° F.

1994: Costliest weather event ever in Las Vegas, NV.
A thunderstorm destroyed the Hilton Hotel sign.
200,000 people lost power for up to 48 hours.
Damages were $50 million at the time.


1988: Palo Alto had a high temperature of 105° F.

1988
: Redding sets an all-time July high of 116° F.

1987:
A rare cold air mass for mid-summer descended on the region starting on this day and ending on 7.21 and broke numerous low temperature records.
It was 56° F in Borrego Springs, the lowest temperature on record for July.
It was 39° F in Palomar Mountain, the lowest temperature on record for July.
This also occurred two and three days later on 7.20 and 7.21.

1984: Thundershowers dumped heavy rain across the southern Sierra.
Creeks and roads flooded in Kings Canyon National Park stranding 67 campers after water cutoff the campground they were at.
In the Lake Isabella area 12 homes were damaged by mud.

1984: 1.8" of rain fell in Big Bear Lake, the greatest daily amount on record for July.

1960: It was 100° F in Idyllwild, the latest date with a 100° F reading of the season (the earliest 100° F reading of the season occurred on 7.9.2002, making a window of only ten days).

1960: Glenbrook, NV, (east shore Lake Tahoe) reported its all-time record high temperature of 96° F.

1960: Yesterday was Redding's hottest day of the year.
The official temperature was 109° F.
The official mercury reading was taken at the U.S. weather bureau station at the No. 2 fire hall on Placer Street.
Unofficial readings were reported as high as 115° F.

1954: A northward moving hurricane made landfall in central Baja California with the remnants moving into Arizona.
Rainfall of up to 2" occurred in the mountains and deserts starting on 7.17 and ending on 7.19.
This occurred during the El NiƱo of 1953-54.

1922: 7.10" of rain fell in Campo (San Diego Co.).

Source: NWS San Francisco/Monterey, Hanford, Reno, Yuma, Las Vegas, & San Diego and the Redding Record-Searchlight

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Posted by: Kim Noyes <kimnoyes@gmail.com>


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