Tuesday, May 23, 2017

[californiadisasters] On This Date In California Weather History (May 23)



2014: Thunderstorms over the mountains of San Diego County drifted over the adjacent deserts. Flash flooding occurred along and north of Highway 78, south of Borrego Springs.

2012:
 Winds gusted to 85 mph from the west-northwest at Mojave during the evening hours; sustained winds exceeded 70 mph at times due to strong trough of low pressure over much of the western United States. 
Other locations in southeastern Kern County clocked wind gusts around 70-80 mph, especially below passes and canyons.

2008:
A strong late season cold low pressure system brought significant weather changes to the southern Great Basin and Mojave Desert.
Earlier in the week Las Vegas set a record high temperature of 108° F falling just one degree shy of the all-time May record.
Four days later, on this date, the high temperature only reached 67° F which set a daily record for the coolest high temperature.
Also on May 22, Las Vegas set its all-time lowest May altimeter reading of 29.27".
Showers and thunderstorms developed around the region with several locations reporting small hail.
Mount Charleston received around 3" of snowfall down to the 7500 foot level.

2001: It was 116° F in Palm Springs, the highest temperature on record for May
This also occurred on 5.28.2003 and 5.28.1983.

2000: Cottonwood Cove (NV side Lake Mojave) reaches 116° F for a high.

1990: Winds gusting up to 45 mph across the southern San Joaquin Valley created widespread areas of blowing dust with near zero visibility. 
Several vehicle pile-ups resulted in Kern and Tulare Counties, with one pile-up 8 miles south of Tulare resulting in one death and 18 injuries. 
Three people were injured in the two pile-ups around Bakersfield.

1987: China Lake NAS clocked a 79 mph gust from the east.

1962: Salinas had a low temperature of 35° F. 

1960: A 9.6 magnitude earthquake hit Chile. 
Waves eight feet above normal hit San Diego. 
Tide currents were estimated at 20 to 25 knots. 
Docks near Pt. Loma were destroyed and extensive damage occurred to docks throughout San Diego harbor. 
A barge broke in half in Quivira Basin of Mission Bay. 
Ferry service to Coronado was disrupted. 
In LA a scuba diver drowned, there was major damage ($1 million) to small craft.

1932: Strong winds and low humidity hit San Diego County. 
12 serious brush fires resulted, blackening nearly 2000 acres in San Diego County. 
The biggest fire was in Spring Valley.

1909: 3" of snow fell at Glenbrook, NV, (east shore Lake Tahoe).

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

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


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Monday, May 22, 2017

[californiadisasters] Lucy Jones’s doomsday earthquake scenarios will terrify you — that’s the point



Lucy Jones's doomsday earthquake scenarios will terrify you — that's the point


It's 102 degrees, just north of Palm Springs. White wind turbines, two stories high, dot the desert landscape all of the way to the base of snowcapped mountains in the distance.

Seismologist and earthquake expert Lucy Jones is standing on a small hill looking south toward California's most consequential fault: the San Andreas. It runs nearly the length of the state, from the Salton Sea to near Mendocino. From where we're standing, the only evidence of the fault are slight indentations in the earth, snaking through the landscape. There are rocks and soil that've been moved by years of tectonic plates shifting below us.

The San Andreas fault runs through the San Gorgonio pass, just north of Palm Springs.
The San Andreas fault runs through the San Gorgonio pass, just north of Palm Springs. Jacob Margolis

Jones is surrounded by scrub brush and government officials from across Southern California. She's brought them to bake in the desert sun to convince them that they need to do more to get ready for "the big one."

"If you are in the Coachella Valley, don't plan on getting to L.A. anytime after the earthquake, unless you have some way of flying," she warns.

If there's an earthquake on this section of the San Andreas, the region stands to lose large parts of the 10 freeway, she says. The earth could shift as much as 25 feet, incapacitating any utilities that cross the fault, which include water canals, natural gas pipelines and power lines. It could leave large parts of Southern California stranded.

She says the fault is capable of a magnitude 8.2 earthquake. The Northridge quake was a 6.7.

"This will happen at some point. Plate tectonics isn't turning off," Jones says. "When it happens, we're not going to have water. It's going to take six months to get water back in all of our houses. We could lose electricity for the whole western U.S. We're going to have no transportation. City-wide fires have the potential to burn down the city."

For more than 15 years, Jones has been painting these nightmare scenarios, first as a seismologist for the U.S. Geological Survey, and now as an independent scientist, trying to convince businesses and governments to better prepare their emergency services, transportation grids and infrastructure.

Some cities, including Los Angeles, which hired Jones for a time, have heeded her advice. They figured out new rules for seismic retrofits, strengthened cell phone towers and took steps to further protect water systems, but there's still more to be done. And  some cities haven't taken action to prepare at all.

"The challenge really is we are myopic," says Howard Kunreuther, author of "The Ostrich Paradox: Why We Underprepare for Disasters." "We focus on the short run and as a result don't really think about any kind of long-term decisions [...] about how we prepare."

It's tough to convince cities to prepare for something that's not right in front of them, especially when things like potholes and homelessness are ever-present.

There hasn't been a big quake on the San Andreas in over 160 years, making one long overdue, according to Jones. And since it's so overdue, the likelihood of it happening is higher, as pressure between the plates builds.

But Kunreuther says that people react to the disaster that just happened. That after Northridge, a lot of people purchased earthquake insurance, but overtime the number of insured has declined, even as the risk of earthquake has continued to rise.

"We say, this event will not happen to me. So as a result, we don't have to pay attention," he says. "So, we think the likelihood of an earthquake occurring in California is sufficiently low that we don't really have to buy insurance or undertake the protective measures that one should."

Barbara Kogerman, a city councilwoman from Laguna Hills, was among those listening to Jones out in the desert. She says that she's been worried about being prepared for the big one, but that Jones helped bring the issue into focus.

And that's the kind of reaction Jones is hoping she'll get with her apocalyptic stories.


Source: http://www.scpr.org/news/2017/05/22/71680/lucy-jones-s-doomsday-earthquake-scenarios-will-te/



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


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[californiadisasters] On This Date In California Weather History (May 22)



2008: Half Moon Bay had a low temperature of 33.
Strong northwest winds fanned an early season wildfire in the Santa Cruz Mountains.
The blaze, called the "Summit Fire," began at 5:30 am on the 22nd and went on to burn 4,270 acres over the next few days, ultimately destroying 31 buildings and injuring 16 people.


2008:
Heavy rain from thunderstorms was produced by a very cold and unstable storm from the north.
Several debris flows occurred.
In the Santiago burn area of eastern Orange County, extensive damage was done to homes and businesses.
In rural northeast Moreno Valley, 28 residences were flooded and damaged.
Minor damage occurred in the Witch Creek burn area around Ramona.
Snowfall of several inches hit the mountains, even as low as 5000 feet elevation.
Thunderstorms deposited several inches of hail from Redlands to Perris.
Several reports of nickel size hail in Moreno Valley and dime size hail in Murrieta.
Snowplows were called to clear the hail.
Awnings, trees and vehicles were damaged.
Four tornadoes touched down near Moreno Valley.
One tornado was rated EF-2, which was the strongest California tornado since the Sunnyvale tornado in 1998, and was on the ground for an exceptional 21 minutes.
Nine railroad cars were derailed.
A semi truck was lifted 30-40 feet in the air and severely injured the driver.
Damage was done to roofs, trailers and sheds.

2008: Fresno set a record low sea-level pressure for the month of May at 29.36".

1974: Gusty downslope winds from the Tehachapis damaged buildings at the Mojave Airport.

1960: The morning low temperature at Reno, NV, was 19° F.

1921: 1.19" of rain fell in Santa Ana, the greatest daily amount on record for May.
Interestingly, no measurable rain had fallen on this date from 1933 to 2006 (when 0.7" fell).

Weather Factoid of the Day: No measurable rainfall has fallen in Las Vegas, NV, on this date since records began in 1937.

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

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


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[californiadisasters] California is likely to roll out its earthquake warning system next year





Thank you for posting this!  VERY INTERESTING...and about time!
 
California will likely roll out a limited public earthquake early warning system sometime next year, researchers building the network say.
New earthquake sensing stations are being installed in the ground, software is being improved, and operators are being hired to make sure the system is properly staffed, Caltech seismologist Egill Hauksson said at a joint meeting of the Japan Geoscience Union and American Geophysical Union.







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Posted by: Marilyn Sass <paws_sassy@yahoo.com>


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[californiadisasters] 1915 Mount Lassen Eruption, Monday, 22 May 2017



"1915 Mount Lassen Eruption" reminder
When
Monday, 22 May 2017
08:00 PM to 08:00 PM
(GMT) Greenwich Mean Time - Dublin / Edinburgh / Lisbon / London
Where
Shasta County - Southern Cascade Range
Notes
On this date in 1915 Mount Lassen following three days of ever-intensifying activity let loose with a climactic plinian eruption whose column rose over five miles into the atmosphere. Due to prior evacuations of the area nobody was harmed in this largest eruption in the eruptive sequence of 1914-1917.
From
californiadisasters   Calendar


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[californiadisasters] California is likely to roll out its earthquake warning system next year



California will likely roll out a limited public earthquake early warning system sometime next year, researchers building the network say.
New earthquake sensing stations are being installed in the ground, software is being improved, and operators are being hired to make sure the system is properly staffed, Caltech seismologist Egill Hauksson said at a joint meeting of the Japan Geoscience Union and American Geophysical Union.





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Posted by: Hardin Rich <hardinrich@sbcglobal.net>


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Sunday, May 21, 2017

[Volcano_Vista_HS] NEW 2017-2018 Parent Advisory Board



 

Thank you to all of you who continually support our Volcano Vista students, staff, and our Parent Advisory Organization.  I want to update you on some changes as we transition to new Parent Advisory Board members and say goodbye to families whose kids graduated this year.  Please help us welcome our new Parent Advisory Board Members for the 2017-2018 school year:

 

President: Jolene Wolfley

1rst Vice President: Brenda Granger

2nd Vice President: Debra Alba

Secretary: Vanessa Alarid

Treasurer: Mary Alice Salazar

 

Thank you to Brenda Granger who also will be taking over the Volcano Vista Yahoo e-mail group, as my youngest just graduated!  You will begin seeing messages from her this week!

 

It has been a pleasure serving with such amazing people these past 7 years!!  Go Hawks!

 

Fondly,

Shannon Steckbeck



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Posted by: ssteckbeck@yahoo.com


For more information, go to our web site: http://www.volcanovistahawks.com




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[californiadisasters] On This Date In California Weather History (May 21)



2006: King City picked up 0.8" of rainfall.

2006:
Late season cold front passage brought heavy rainfall amounts to the area:
Spanish Lake near Coalinga had 1.59", Madera received 1.43", and Chowchilla measured 1.95". Avenal received 1" of rain in about an hour.

2000: A strong ridge of high pressure built over the region in the wake of storm
system over the Intermountain West.
Temperatures in the Inland Empire and Coachella Valley subsequently soared, with Riverside reaching 105° and Palm Springs topping out at 113° F.

1972: It was 34° F in Borrego Springs, the lowest temperature on record for May.

1971: A cold front generated wind gusts up to 60 mph that knocked down 50 oil paintings on display outdoors at a shopping mall art exhibit in Las Vegas, NV, that were valued at $1,000 a piece.

1971: Gusty winds associated with a late-spring snowstorm blew down tree limbs, uprooted trees, and caused power outages in the Reno, NV, area.

1967: The high temperature at Reno was 94° F.

1920: Rare rain fell in Mecca.
With 0.58" of rainfall, it is the greatest one - day total in May.
This is the only time since 1906 that the city has received more than a half an inch of rain on a single day in May.
The total is also 2,550% of the May average rainfall (0.02").

1918: It was 22° F in Victorville, the lowest temperature on record for May.

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

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


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Saturday, May 20, 2017

[californiadisasters] Emergency Manager’s Weekly Report 5-19-17



Good Afternoon Everyone,

This week's edition is dedicated to former FDNY Firefighter Mark HarrisMark Harris who recently passed away as a result of a 9/11 caused illness.  Rest in Peace Brother: http://ow.ly/1nfZ30bTPga

 

This week's edition is now available at: https://sites.google.com/site/emergencymanagersweeklyreport/

 

Steve Detwiler

EM Weekly Report Editor



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Posted by: Steve Detwiler <steveorange2011@gmail.com>


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[californiadisasters] On This Date In California Weather History (May 20)



2003: It was 31° F in Escondido, the latest date in the season with a freezing temperature on record.

2002: Palo Alto recorded 1.25" of rain.


2002: A significant late-season snow event in the Sierra Nevada lasted about 24 hours from the 20th until early on the 21st and brought 24" of snow to Volcanic Knob, 21" at Pascoes and 20" at Huntington Lake.
On the same date near Madera, an F1 tornado demolished a small farm structure and peeled roofs off other structures and downed trees and fences.
North of Madera, hail as large as 1.75" in diameter fell scarring fruits and vegetables.

2002: Three funnel clouds and one waterspout were observed off the coast near Dana Point.

1997: A tornado was reported seven miles east of Borrego Springs.

1991: Santa Barbara sank to 36° F overnight setting a record low for May.

1966: Thunderstorm winds of at least 80 mph totally destroyed 30 aircraft and damaged others in
Las Vegas.

1964: Localized gusty winds during the afternoon described as "whirlwind" lifted a large roof off a shed in Reedley and dropped it nearby crushing 4 cars.

1923: Markleeville (Alpine Co.) recorded 2.55" of precipitation.

1891: 4.5" of snow fell at Virginia City, NV.

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

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


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[californiadisasters] On This Date In California Weather History (May 19)



2008: An intense heat wave that induced record temperatures over the coast and valleys
the prior two days shifted to the deserts on this day.
The afternoon high in Palm Springs reached 113°.

1997:
A southern California radio station reported that more than 20 homes were flooded in Twentynine Palms from heavy thunderstorm rains.
Also, the flooding closed Route 62 for about 10 hours due to mud and debris across the road. Damage was estimated at $200,000.

1997:
A thunderstorm outflow boundary generated gusty winds that caused blowing dust on Highway 99 southeast of Fresno.
Visibility was lowered substantially resulting in a 30 vehicle pile-up that injured 15 people.

1975: Reno, NV, measured 0.9" of snow.

1957: Tornado lasted from 8:18 AM until 8:23 AM observed near the Fresno Air Terminal.
The tornado lifted shingles off of houses and knocked over a tree and was rated an F1.
This is the third oldest documented tornado on record in the Fresno area.

1952: Strong winds caused crop and property damage in the South Valley.
Up to 20% of plums were damaged, sandblasting damaged cotton and some shoots on grapevines were removed by the wind.
Thousands of branches littered roads, blocking travel.
In addition, power lines fell and windows were shattered.
Fresno had sustained 38 mph winds from the north.

1945: It was 20° F in Idyllwild, the lowest temperature on record for May.

1925: San Francisco picked up 1.24" of rainfall.

1915: 4" of snow fell at Boca (Nevada Co.).

1892: A springtime heat wave hit Southern California starting on 5.17 and ending on this day.
Temperatures met or exceeded 95° F in LA each day.

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

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


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