Current Flood Article; Some Info To Prep

Discussion in 'Other Not Listed Situations' started by Pragmatist, Mar 9, 2021.

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  1. Pragmatist

    Pragmatist Master Survivalist

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    Good morning all,

    There's a current flood matter in Hawaii. Surfing around article and it's links can provide a little of the basics for preparing.

    Note that the article's maps are the best you'll see. This is applicable to just about everywhere. Prep now if you're in a potential flood area. I believe floods are the nation's major basic peril.

    Per the article; I would say that seeking higher ground is an evacuation.

    How can there be evacuation centers if COVID-19 restricts congregant living arrangements ?

    REMEMBER: The info in this article is about the same level available to the general public for all the dangers. Prepare accordingly. I am still waiting to get a vaccine shot/jab so would not even think of going to a flood evac center. I'll stay with Noah at the Captain's table until flood waters recede or Greta Thunberg advises otherwise.
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  2. Old Geezer

    Old Geezer Legendary Survivalist

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  3. Old Geezer

    Old Geezer Legendary Survivalist

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    As the California mountains got hit with major levels of snowfall, any sensible person figured that as spring warmth and rains came, flooding would be sure to follow. When my wife and I were watching news reports of all the snowfall out in the California mountains, we looked at each other and at the same time started talking about the flooding that spring would bring.

    Well kids, here starts the flooding. It's bad. Yet, there's gonna be a WHOLE LOT MORE TO COME.

    "Another atmospheric river is walloping storm-ravaged California, inundating cities already flooded by recent rain and forcing residents to flee – or risk not getting help if they need it.

    "About 30 million people across the state were under flood alerts as the 11th atmospheric river to hit the West this season slammed Northern California on Monday and took aim at central and Southern California on Tuesday.

    “'We weren’t expecting it to be as bad as we’re seeing it,' Monterey Mayor Tyller Williamson said.

    "Rain could fall as fast as 1 inch per hour in some places – which could result in significant flash flooding. The two areas of most concern are along the central California coast between Monterey and Santa Barbara counties, as well as parts of the Sierra Nevada foothills near Fresno to Bakersfield.

    "The atmospheric river also brought hurricane-force wind gusts to parts of central California Tuesday, along with widespread rainfall totals of up to 3 inches – and nearly half a foot in some areas. A high wind warning was in effect for almost 15 million people in the state.

    "High winds were causing flight cancellations and delays at San Francisco International Airport Tuesday, with about 33% of flights affected, airport spokesperson Doug Yakel told CNN.

    "Many parts of California haven’t recovered from last week’s deadly atmospheric river – a long, narrow band of moisture that can carry saturated air thousands of miles like a fire hose.

    "Heavily saturated soil can’t soak up much more water, and melting snow could amplify dangerous flooding.

    "More than 360,000 residences and businesses were without electricity Tuesday afternoon, according to PowerOutage.US. Many of the outages – just over 130,000 – were in Santa Clara County.

    "As of Tuesday morning, more than 70,000 people were under evacuation warnings and almost 17,000 were under orders to evacuate, California Governor’s Office of Emergency Services spokesperson Gustavo Ortiz told CNN.

    "This new wave of storms is pummeling areas already buried by heavy snowfall from the past two weeks.

    "Now, snowmelt could exacerbate flooding in the Sierra Nevada, where there’s likely 3 to 5 feet of snow at elevations higher than 7,500 feet, the National Weather Service said.

    “'There is more snow water in the southern and possibly central Sierra than there has ever been at this time of year – and possibly at any point during the year, especially in the southern Sierra,' Swain said.

    “'So there is a whole hell of a lot of water up there right now stored in the snowpack.'

    "After this system, another atmospheric river is expected to hit the West Coast next week.

    “'Heavy rain, melting snowpack, saturated soils, and swollen streams may lead to prolonged flooding concerns and the potential for shallow landslides in some areas of California,' the National Weather Service’s Weather Prediction Center said."



    Oh by the way, don't build your house on a cliff. :D:D:D:D:D:D:rolleyes::rolleyes::rolleyes::rolleyes::rolleyes:

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    1. Old Geezer
      Oh, for those Californians hoping to get relief from the recent drought conditions, you got your wish.
      Old Geezer, Mar 25, 2023
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  4. Old Geezer

    Old Geezer Legendary Survivalist

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    Last time this happened was 1952, which was let's face it, just a teeny-tiny blip in time ago. Many people reading this post were alive then. One hundred human life-times is a nothingness in Earth-time. Mother Nature's wristwatch has increments of tens of thousands of years. Tick, tick, tick, ... We are even as nothingness.

    Adding more snow for the coming spring melt / flooding ...

    "California Hits Record Snowpack Depth in Southern Sierra Nevada"

    "The total snowpack this winter for California’s southern Sierra Nevada mountain range has hit 286% of normal — the highest since records began.

    "The San Francisco Chronicle reports on a windy, snowy weather system that is developing over the Pacific:

    "'Two low-pressure systems off the coast of Hawaii and Alaska will quickly merge into a storm around Sunday, heading toward the West Coast by Monday morning. Weather models forecast that it will then tap into the atmospheric moisture between Hawaii and California — a.k.a. the Pineapple Express — and undergo rapid intensification. The stage is set for another strong March storm that’s expected to bring powerful winds, rounds of heavy rain and thunderstorms to the Bay Area.'

    "That rain will hit the Sierra Nevada as snow — adding to massive totals at ski resorts, building up the state’s water supply — but also creating a risk of spring flooding.

    "For now, there is joy throughout the state as Gov. Gavin Newsom (D) increased water allocations to local water agencies to 75% of those requested — a sharp increase from the 5% he announced at the start of the winter.

    "Back then, weather forecasters were predicting a third straight dry winter, as La Niña patterns remained in force, and the state was stuck in a crippling drought. But an early November storm was followed by heavy rains from Christmas into the New Year — and the storms have barely let up since.

    "Newsom raised the allocation to 35%, and now to 75%, amid criticism that he has not expanded the state’s ability to store water in reservoirs."


    Old Gzr observation:

    "Back then, weather forecasters were predicting a ...."

    Hint, hint, nudge, nudge, Mother Nature will do as she pleases whenever she pleases.

    One thing we actually do know is that when spring does come and all of this snow melts -- adding to the spring rain runoffs -- flooding is going to hit California like a sledgehammer. But come spring, the people will say, "How could this have happened?!"

    :rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes::rolleyes: Go figure.
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  5. lonewolf

    lonewolf Societal Collapse Survivalist. Staff Member

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    simples..........dont build on flood plains-they are called flood plains for a reason.
    dont live right next to a river, they can flood in bad weather, Boscastle springs to mind.
    dont live next to the cliff onto the beach, many people are losing their houses due to cliff erosion, the house literally falls onto the beach.
    all these things are common knowledge, but do people listen? Nah!!!
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  6. Old Geezer

    Old Geezer Legendary Survivalist

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    Yes, exactly.

    As I've said before, my folk came from up in the Appalachian mountains. Nobody built near the creeks. They listened to their elders. ... Then outsiders and young folk (who wouldn't listen) built near the creeks. Come 1993 there was lots of snow on the mountains and the spring rains were heavy. Eight people died in one tiny community. Mother Nature flushed the toilet on them. Whoosh, they were gone. Actually, at least one concrete bridge was destroyed ... Don't get in the way of Mother Nature.
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    1. Old Geezer
      Oh, forgot. As I am oft to say, I had a great uncle who told me about the flood of 1903. He was there, told me about the swath it cut. Listen to your elders.
      Old Geezer, Mar 27, 2023
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  7. Old Geezer

    Old Geezer Legendary Survivalist

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    This year a mega-flood could happen to California. A mega-flood has been predicted, this has happened before, and the conditions for this happening are in place in California just waiting to happen. The Sierra Nevada Mountains are packed with snow. The governor of California has NOT increased reservoir capacities as requested by the people and by engineers. And due to current world weather conditions, spring rains could be massive. Put all of these factors together and the near future doesn't look good for California.

    "A disastrous megaflood is coming to California, experts say, and it could be the most expensive natural disaster in history"

    August 14, 2022

    "A new study by Science Advances shows climate change has already doubled the chances of a disastrous flood happening in California in the next four decades. And experts say it would be unlike anything anyone alive today has ever experienced.

    "Daniel Swain, a climate scientist with UCLA and a researcher involved in the study, describes a megaflood as, “a very severe flood event across a broad region that has the potential to bring catastrophic impacts to society in the areas affected.” He said a megaflood is similar to the 1,000-year flash flood events seen this summer in the St. Louis area and Kentucky, but across a much wider area, such as the entire state of California.

    "The area with the most destruction would be the Central Valley of California, including Sacramento, Fresno and Bakersfield, the study’s authors project. The Central Valley, roughly the size of Vermont and Massachusetts combined, produces a quarter of the nation’s food supply, according to the US Geological Survey.

    "A flood with the size to fill this valley has the potential to be the most expensive geophysical disaster to date, costing upwards of $1 trillion in losses and devastating the state’s lowland areas, including Los Angeles and Orange counties, according to the study.

    "That would be more 5 times the cost of Hurricane Katrina, the current costliest disaster in US history.

    "It’s happened before. It will happen again, but worse, warns scientists

    "Over 150 years ago, a strong series of atmospheric rivers drenched the Golden State, causing one of the most exceptional floods in history following a dry spell that had left the West parched for decades.

    "Communities were demolished in minutes.

    "It was the winter of 1861-1862 and a historic megaflood transformed the San Joaquin and Sacramento valleys into a 'temporary but vast inland sea,' according to the study. Some areas had up to 30 feet of water for weeks, obliterating infrastructure, farmland, and towns.

    "Sacramento, the new state capital at the time, was under ten feet of debris-filled water for months.

    "The catastrophe began in December 1861, when nearly 15 feet of snow fell in the Sierra Nevada. Repetitive atmospheric rivers dropped warm rain for 43 days thereafter, dumping water down the mountainous slopes and into the valleys.

    "Four thousand people lost their lives, one-third of the state’s property was destroyed, a quarter of California’s cattle population drowned or starved, and one in eight homes were a complete loss by floodwaters.

    "In addition, one-fourth of California’s economy was obliterated, resulting in a state-wide bankruptcy.

    "Swain warns a megaflood like this will happen again, but worse and more frequent.

    "Many of today’s major cities with millions of residents are built directly on top of the ancient flood deposits, Swain added, putting far more people in harm’s way.

    "About 500,000 people lived in California in 1862. Now, the state’s population is over 39 million.

    “'When this (flood) occurs again, the consequences would be wildly different than they were back in the 1860s,' Swain said."



    ARkStorm 2.0

    "Let’s talk about ARkStorm 2.0. This scenario forecasts more extreme rain events and when California could get hit with its next megaflood.

    "In ARkStorm 2.0, meteorologists account for climate change, which was not a factor in the first iteration.

    "Climate scientist Dr. Daniel Swain and his co-author Xingying Huang developed two megastorm scenarios called ARkHist and ARkFuture. ARkHist is based on historical climate data while ARkFuture considers climate change.

    "Talking about climate, she says warmer oceans will lead to increased moisture in the atmosphere. Meaning higher rain rates will lead to an increase in mountain runoff, leading to dangerous mudslides and flooding in higher elevations and that water will rush down to the foothills.

    “'Even though we’re seeing drier and hotter days throughout the years, storms that do form throughout the year are capable of producing very heavy downpours and can create more hazardous/dangerous situations.

    "'We need the rain to recharge our parched grounds and dry reservoirs, but dry grounds can only take a certain amount of rain in a period of time, and this type of rain may be too intense for our topography to keep up with these heavily saturated atmospheric rivers.'

    "In a press release from UCLA about the study, if a megaflood happened today, parts of Sacramento, Stockton, Fresno and Los Angeles would become submerged under water.

    "The study also makes a correlation between the frequency of megastorms and a strong and moderate El Niño, which raises the risk of rain on snow events. We could a see a trend of these projected extreme rainfall events through 2100.

    “'Compounding the increase in extreme precipitation associated with AR (atmospheric rivers) events are warming temperatures themselves raise the mean elevation of snow accumulation in mountainous areas, increases the instantaneous runoff rates as the rain falls at the expense of snow.' "


    Wed March 29, 2023

    "Waterlogged California set to get more rain, wind and snow, exacerbating flooding concerns "

    "A powerful Pacific storm continues to bring more rain, snow and damaging winds to California, a state already waterlogged from at least 12 atmospheric rivers that have delivered a barrage of rain and snow in recent months.

    "Up to 3 inches of rain have fallen over the central California coast, and more is one the way Wednesday. Up to 4 feet snow is likely in the northern coastal mountain ranges and the Sierra by Wednesday.

    "A slight, Level 2 of 4, risk for excessive rainfall remains across the central California coast through early Wednesday morning, with the expectation the risk will weaken throughout the day.

    "At this time in a normal year, this type of atmospheric river storm would bring beneficial precipitation to the region. But given the unprecedented amount of rain and snow California has already received over a prolonged period, the storm will exacerbate flooding issues, bring down weakened trees and add more snow to already record levels.

    "In response to the severe weather, California Gov. Gavin Newsom requested a Presidential Major Disaster Declaration and expanded the state of emergency to include additional counties impacted by storms that started in late February, his office said in a news release on Tuesday."


    Old Geezer: Gavin Newsom hasn't seen anything yet. I hope Newsom walks the streets of Sacramento after the REAL flooding. Maybe he'll need SCUBA gear. :D:D:D:D:D:D:D:D
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  8. Old Geezer

    Old Geezer Legendary Survivalist

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    The snow melt in California is rapidly approaching. Seems that 80% of that water is still trapped up in the mountains in the form of snow and ice (50 feet of snow). Now it looks like some warm weather is going to relocate that H2O, uh-oh!

    Below, a video of swollen river ... it's already swollen ... it's swollen and the real melt has yet to come.

    "Melting snow in California could trigger major flooding event"


    'The Big Melt': California braces for flooding as heat wave takes aim at state"

    "The colossal amount of snow in California's mountains from a winter of ferocious storms has started to melt, and an incoming heat wave is reigniting flooding concerns across the state.

    " 'The 'Big Melt' is now officially arriving,' University of California, Los Angeles scientist Daniel Swain warned on Twitter a few days ago. 'Flows on many rivers draining the central and southern Sierra will double or triple (with locally greater increases) as temperatures rise. Some rivers will exceed flood stage, and Tulare Basin flooding will worsen.'

    A huge snowpack from record-smashing snowfalls may be a blessing for a region that had long been plagued by drought. But experts have warned it's also a potential disaster if it melts all at once.

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