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It would appear there's a big slug of solar energy inbound. At worst these cause communications disruptions and play hell with satellites, at best they give a nice light show to those of us in the northern latitudes. The cooler heads are estimating this one will be the latter. A bit of background here, here, and here.
we're all gonna die!
The threat of solar storms that could wreak havoc on the world's electronic systems must be taken more seriously, the UK government's chief scientist has warned. A severe solar storm could damage satellites and power grids around the world, he said, leading to a "global Katrina" costing the world's economies as much as $2tn (£1.2tn).
http://www.guardian.co.uk/science/20...global-katrina
WASHINGTON — Space weather could pose serious problems here on Earth in the coming years, the chief of the National Oceanic and Atmospheric Administration (NOAA) said Saturday (Feb. 19).
A severe solar storm has the potential to take down telecommunications and power grids, and the country needs to work on being better prepared, said NOAA administrator Jane Lubchenco here at the annual meeting of the American Association for the Advancement of Science. Lubchenco is also the U.S. Under Secretary of Commerce for Oceans and Atmosphere.
"This is not a matter of if, it's simply a matter of when and how big," Lubchenco said of the potential for a dangerous solar flare. "We have every reason to expect we're going to be seeing more space weather in the coming years, and it behooves us to be smart and be prepared."
http://www.space.com/10906-space-storms-threat.html
And, last week, the Sun sneezed. A class X solar flare, the most powerful in four years, erupted on the Sun late on February 14, and associated with it were a series of coronal mass ejections (CMEs), blasting charged particles towards the Earth. This storm raised concerns that it could cause everything from communications blackouts to disruptions in the power grid from geomagnetically induced currents as the storm’s charged particles interacted with the Earth’s magnetic field. Fortunately, though, the direst predictions failed to come to pass, as the storm caused only minor interference with communications.
The timing of the storm was good in one respect: it came just days before a session on the effects of space weather at the annual meeting of the American Association for the Advancement of Science (AAAS) in Washington. The session, scheduled long before last week’s storm with the provocative title “Space Weather: The Next Big Solar Storm Could Be a Global Katrina”, was intended to raise awareness of the threat solar storms pose to modern civilization as the Sun approaches another peak in its 11-year cycle of activity.
http://www.thespacereview.com/article/1783/1
This got my attention recently when a good friend had to spend four days without electric power and no running water having to take care of sick family members during our recent Midwest blizzard.
No power, 18" inches of snow, 30 to 35+ mph winds (6 to 8+ foot drifts), nothing was moving except a group of first responders on snowmobiles, well pumps were inoperative due to no power, had to use a camp stove and wood burning fireplace because their 90+ HE gas furnace uses an electronic circuit board controlled ignition system, and of course, an electric stovetop unit.
And she grew up on a farm equipped with an outhouse and a well hand pump. By day 3 she was really missing both the outhouse and the hand pumped well.
A 1921 solar storm (not to mention an 1859 Carrington level event) would be an absolute nightmare for most of the Northern Hemisphere. I hear the experts saying that the circuit breakers built into the system would protect much of the power transmission infrastructure, but I've never been able to get an answer to what I see as one critical difference (probably wrong on my part, but maybe somebody knows the answer).
A solar storm on the magnitude of the 1921 event would most likely massively charge the entire power grid - not just a 'spike', but probably the entire grid at a level almost sure to trigger virtually all the built-in circuit breakers existing all across a modern day power transmission grid.
All that power resulting from the CME (Coronal Mass Ejection) has to go someplace - since we know from 1859 that such a CME would use transmission lines as a conduit (in 1859 it was the telegraph lines), would this type of event result in serious damage to the transmission lines themselves (being that the circuit breakers probably kick in)? Or would the massive burst of electrical current across the lines simply arc across the now tripped circuit breakers and damage even more of the transmission infrastructure?
Insights appreciated...
Any electronics above 8k feet are at higher risk. Altitude really plays hell with this stuff in my experience (I've done a lot of high altitude computing). So people living in mountain states in high areas have a higher risk of outages than people at lower levels.
I'm not anything approaching technically versed in this matter, but I read something a few years ago about step down transformers. Apparently that's the weak link in the power grid. Thing I read (Ted Lewis' Critical Infrastructure Protection book.) said that they're custom made and take several months to produce.
I'm not an expert in grid related issues. I know more about compute related issues. Things like using ECC ram get critical for instance. There get to be weird issues with nanometer distances in chip components too. Also most equipment handles faults better than doomsayers generally predict. For instance a lot of equipment might fail during an event, but if there's circuits in place to prevent over-voltage & overloads, they'll trip & the gear can recover. Without those sorts of precautions though (which are more commonly put in place due to other, more common risks to start with), equipment can permanently fail when the magic smoke escapes.
Let's see what the scienticians at NASA say :Quote:
Originally Posted by Watcher In The Middle
http://science.nasa.gov/media/medial...pse_strip2.jpg
http://science.nasa.gov/science-news...espaceweather/Quote:
Above: What if the May 1921 superstorm occurred today? A US map of vulnerable transformers with areas of probable system collapse encircled. A state-by-state map of transformer vulnerability is also available: click here. Credit: National Academy of Sciences.
The strongest geomagnetic storm on record is the Carrington Event of August-September 1859, named after British astronomer Richard Carrington who witnessed the instigating solar flare with his unaided eye while he was projecting an image of the sun on a white screen. Geomagnetic activity triggered by the explosion electrified telegraph lines, shocking technicians and setting their telegraph papers on fire; Northern Lights spread as far south as Cuba and Hawaii; auroras over the Rocky Mountains were so bright, the glow woke campers who began preparing breakfast because they thought it was morning. Best estimates rank the Carrington Event as 50% or more stronger than the superstorm of May 1921.
"A contemporary repetition of the Carrington Event would cause … extensive social and economic disruptions," the report warns. Power outages would be accompanied by radio blackouts and satellite malfunctions; telecommunications, GPS navigation, banking and finance, and transportation would all be affected. Some problems would correct themselves with the fading of the storm: radio and GPS transmissions could come back online fairly quickly. Other problems would be lasting: a burnt-out multi-ton transformer, for instance, can take weeks or months to repair. The total economic impact in the first year alone could reach $2 trillion, some 20 times greater than the costs of a Hurricane Katrina or, to use a timelier example, a few TARPs.
It'd be 9-11, times a thousand.
http://hosted.ap.org/dynamic/stories...05-17-07-57-46Quote:
GENEVA (AP) -- A senior official at the U.S. National Oceanic and Atmospheric Administration says solar storms pose a growing threat to criticial infrastructure such as satellite communications, navigation systems and electrical transmission equipment.
NOAA Assistant Secretary Kathryn Sullivan says the intensity of solar storms is expected to peak in 2013 and countries should prepare for "potentially devastating effects."
Solar storms release particles that can temporarily disable or permanently destroy fragile computer circuits.
Sullivan, a former NASA astronaut who in 1984 became the first woman to walk in space, told a U.N. weather conference in Geneva on Tuesday that "it is not a question of if, but really a matter of when a major solar event could hit our planet
http://www.msnbc.msn.com/id/43327720...science-space/Quote:
OSLO — A U.N. plan to upgrade "space weather" forecasts can help the world cope with solar storms that might wreak up to $2 trillion in damage if the sun repeated a giant flare of 1859, experts said.
The sun is entering a more active phase due to peak in 2013 on a roughly 11-year sunspot cycle, the World Meteorological Organization (WMO) said. Power supplies, air traffic control, communications and satellites can all be disrupted by storms.
"We are increasingly being impacted by space weather," Barbara Ryan, director of the space weather program at the Geneva-based WMO, told Reuters. She said there was a need to coordinate forecasts and upgrade warnings of looming storms.
Report highlights GPS vulnerability to space weather
by Lloyd's List — last modified Jun 08, 2011 12:20 PM
http://www.lloydslistdcn.com.au/arch...-space-weatherQuote:
A new report from the American Meteorological Society has revealed how vulnerable satellite systems are to space weather, such as solar flares and geomagnetic storms, which can cause distortion or total loss of a signal.
It highlights the impact solar storms could have on modern communication and global navigation satellite systems and is urging for more work be done to understand the impact of space phenomena.
GPS receivers calculate their location through the analysis of signals...
also
http://www.surveyequipment.com/news/...es-174954.html
...and teaching paper map, compass and protractor land nav skills was pointless.
http://www.nytimes.com/cwire/2011/06...ids-63979.htmlQuote:
Antti Pulkkinen, who leads NASA's "Solar Shield" satellite-based detection system at the Goddard Space Flight Center, said the cloud of ionized particles from Tuesday's violent "coronal mass ejection" will largely miss Earth, giving some North American residents a glimpse of the aurora borealis, or northern lights, this weekend. "It will not be a major event [for] the power grid," he said.
However, NASA spacecraft detected a much larger eruption last weekend on the backside of the sun headed away from Earth, generating a much faster-moving cloud.
"If this event was on a collision course with the U.S., we would have had a major space weather event," Pulkkinen said. "In this regard, we got lucky."
http://www.pcmag.com/article2/0,2817,2386623,00.aspQuote:
"The worst-case scenario is an extreme event," says Michael Hesse, chief of NASA's Space Weather Laboratory at the Goddard Space Flight Center in Maryland. "If it were to happen and we don't take any precautions, it would probably knock out our power grid for an extended period of time and destroy a sizable fraction of our satellite infrastructure."
"This is not something we expect to happen tomorrow," he cautions. "But it's like the impact of a hurricane on a specific location. You don't expect it to happen tomorrow, but you might want to think about if it were to happen."
http://www.swpc.noaa.gov/Quote:
June 22, 2011 - NOAA forecasts, supported by guidance from the WSA-Enlil solar wind model, are projecting CME arrival mid to late day UTC on June 23. The CME does appear to be clearly Earth-directed, so some effect is almost certain. The bulk of the disturbance is still expected on June 24, with G1 (Minor) and isolated G2 (Moderate) levels of Geomagnetic Storming expected for the duration of the event. High latitude aurora watchers should be on alert Thursday and Friday night.
http://www.irishweatheronline.com/ne...ber/32083.htmlQuote:
A 1300-foot-wide (400 metres) asteroid, which is more than one and a half times the length of a soccer pitch, will pass within 0.85 lunar distances of the Earth on November 8/9, 2011.
Discovered on December 28, 2005 by Robert McMillan of the Spacewatch Program near Tucson, Arizona, 2005 YU55 is believed to be a very dark, nearly spherical object.
FEMA, FCC Announce Nationwide Test Of The Emergency Alert System
Similar to local Emergency Alert System Tests, this Test is Scheduled to Take Place on November 9, 2011
Release Date: June 9, 2011
Release Number: HQ-11-099
http://www.fema.gov/news/newsrelease.fema?id=55722Quote:
WASHINGTON, D.C. -- The U.S. Department of Homeland Security's Federal Emergency Management Agency (FEMA) and the Federal Communications Commission (FCC) will conduct the first nationwide test of the Emergency Alert System (EAS). The nationwide test will occur on Wednesday, November 9 at 2 p.m. eastern standard time and may last up to three and a half minutes.
The Asteroid passes Earth at 2328Z on 8 Nov, comes closest to the Moon at 0713Z on 9 Nov and the Emergency Alert Test is almost twelve hours later at 1900Z on the 9th (the time determined and announced for the Test at the June Meeting of the FCC). So?
Good planning on FEMA's part - if NPL's math was off five months ago (when the EAS was first announced), it was ideally positioned to be moved left on the timeline and no longer be an exercise.
See the so?
No so there, no there there IMO. Once again, the sky does not seem to be falling...:rolleyes:Quote:
Originally Posted by AdamG
That Asteroid was removed from the Sentry Risk Table in April, 2010. That means its orbit and trajectories could be adequately ascertained at that time, over a year before the theorists began to mutter and darkly predict. Yet another conspiracy falls prey to reality. :wry:
Having spent 12 years working with (not for, thank the gods) FEMA, I suspect I have far less respect for their prescience and capability than do many. I also believe the FCC, based on recent performance, is incapable of thinking that far ahead. After over three times that many years working for the US government in several capacities, I'm firmly convinced that Hanlon's Razor applies to the government's actions far more often than might conspiracy or deviousness...:D
:rolleyes: back atchya. Frothy tonight, aren't we?Quote:
Originally Posted by Ken White
Ok, mere coincidence. Carry on, nothing to see here.
It's not even a coincidence -- except for those who thrive on that stuff and wish it to be... ;)Quote:
Originally Posted by AdamG
http://cosmiclog.msnbc.msn.com/_news...eading-our-wayQuote:
Word of today's blast, technically known as a coronal mass ejection or CME, comes via SpaceWeather.com's Tony Phillips. NASA says the outburst sparked an M3.2-class solar flare, as well as a stream of electrically charged particles that is due to interact with Earth's magnetic field on Saturday.
http://www.reuters.com/article/2012/...80M25Q20120123Quote:
(Reuters) - The strongest geomagnetic storm in more than six years was forecast to hit Earth's magnetic field on Tuesday, and it could affect airline routes, power grids and satellites, the U.S. Space Weather Prediction Center said.
{RANT ON}I wish that the snippets of articles AdamG posts could have a few of additions.
First, it would be nice if the poster would make something of these posts--explain the "so what" of the post. The following is an example--the post had no subject and no analysis or discussion.Next , a follow up would be nice. The linked article noted a possible impact. So after 4 days, one might expect to see a follow on to identify what actually happened when the storm hit. But, all we have from AdamG is a new post about another space storm that might be coming to harm us.Quote:
Originally Posted by AdamG
In fact, on Jan 22, a couple of follow ups were made to the original story: Excerpted from one is the followingand the later follow up had this to sayQuote:
Originally Posted by http://cosmiclog.msnbc.msn.com/_news/2012/01/21/10207087-solar-weather-stirs-up-super-sights
(As an aside, I'm not clear how brighter Northern Lights seen afurther south has much to do with Small Wars. :confused: )Quote:
Originally Posted by http://cosmiclog.msnbc.msn.com/_news/2012/01/21/10207087-solar-weather-stirs-up-super-sights
Finally, the snippets tend to be pulled out of context. In this case, as the following quotation from that same article shows, the scare found in the posted excerpt was almost completely dismissed 2 sentences later.
{RANT OFF}Quote:
Originally Posted by http://cosmiclog.msnbc.msn.com/_news/2012/01/19/10192639-solar-blast-heading-our-way
Instead of complaining, you can do a followup. There's nothing stopping you, is there?Quote:
Originally Posted by wm
On the probability of occurrence of extreme space weather events,
Space Weather, 10, S02012, doi:10.1029/2011SW000734.
Riley, P. (2012), Received 16 September 2011; accepted 22 December 2011; published 23 February 2012.
http://www.agu.org/pubs/crossref/201...SW000734.shtmlQuote:
By virtue of their rarity, extreme space weather events, such as the Carrington event of 1859, are difficult to study, their rates of occurrence are difficult to estimate, and prediction of a specific future event is virtually impossible. Additionally, events may be extreme relative to one parameter but normal relative to others.
In this study, we analyze several measures of the severity of space weather events (flare intensity, coronal mass ejection speeds, Dst, and >30 MeV proton fluences as inferred from nitrate records) to estimate the probability of occurrence of extreme events. By showing that the frequency of occurrence scales as an inverse power of the severity of the event, and assuming that this relationship holds at higher magnitudes, we are able to estimate the probability that an event larger than some criteria will occur within a certain interval of time in the future.
For example, the probability of another Carrington event (based on Dst < −850 nT) occurring within the next decade is ∼12%. We also identify and address several limitations with this approach. In particular, we assume time stationarity, and thus, the effects of long-term space climate change are not considered. While this technique cannot be used to predict specific events, it may ultimately be useful for probabilistic forecasting.
http://www.spaceweather.com/Quote:
GEOMAGNETIC STORM UPDATE: A CME propelled toward Earth by this morning's X5-class solar flare is expected to reach our planet on March 8th at 0625 UT (+/- 7 hr). Analysts at the Goddard Space Weather Lab, who prepared the CME's forecast track, say the impact could spark a strong-to-severe geomagnetic storm. Sky watchers at all latitudes should be alert for auroras. Aurora alerts: text, phone.
http://www.washingtonpost.com/politi...zwR_story.htmlQuote:
WASHINGTON — The largest solar flare in five years is racing toward Earth, threatening to unleash a torrent of charged particles that could disrupt power grids, GPS and airplane flights.
http://www.techradar.com/news/world-...s-list-1072073Quote:
A new government list of major threats to the UK has identified solar flares as one of the top risks to the country's way of life. Solar flares are explosions on the surface of the sun that can blast solar winds made up of charge particles towards the earth, disrupting electronic equipment. The UK's ever-increasing reliance upon technology makes it particularly vulnerable.
http://www.spaceweather.com/Quote:
X-FLARE! Big sunspot AR1520 unleashed an X1.4-class solar flare on July 12th at 1653 UT. Because this sunspot is directly facing Earth, everything about the blast was geoeffective. For one thing, it hurled a coronal mass ejection (CME) directly toward our planet. According to a forecast track prepared by analysts at the Goddard Space Weather Lab, the CME will hit Earth on July 14th around 10:20 UT (+/- 7 hours) and could spark strong geomagnetic storms. Sky watchers should be alert for auroras this weekend. Geomagnetic storm alerts: text, voice.
Reference the post immediately above -
http://news.yahoo.com/earth-survived...222404357.htmlQuote:
Washington (AFP) - Back in 2012, the Sun erupted with a powerful solar storm that just missed the Earth but was big enough to "knock modern civilization back to the 18th century," NASA said.
The extreme space weather that tore through Earth's orbit on July 23, 2012, was the most powerful in 150 years, according to a statement posted on the US space agency website Wednesday.
Also
Are nuclear reactors vulnerable to solar storms?
http://www.washingtonpost.com/blogs/...CTae_blog.html
https://www.space.com/38057-sun-unle...lar-flare.htmlQuote:
Early this morning (Sept. 6), the sun released two powerful solar flares — the second was the most powerful in more than a decade.
At 5:10 a.m. EDT (0910 GMT), an X-class solar flare — the most powerful sun-storm category — blasted from a large sunspot on the sun's surface. That flare was the strongest since 2015, at X2.2, but it was dwarfed just 3 hours later, at 8:02 a.m. EDT (1202 GMT), by an X9.3 flare, according to the National Oceanic and Atmospheric Administration's Space Weather Prediction Center (SWPC). The last X9 flare occurred in 2006#(coming in at X9.0).
Nice shot group - rolls across the US from Sea-Tac over Chicago through NYC.
G3 Watch: 7 through 9 September, 2017 due to CME Effects
http://www.swpc.noaa.gov/news/g3-wat...ue-cme-effects
Forecast: cloudy with a chance of flaming debris.
Read more here: http://www.miamiherald.com/news/busi...#storylink=cpyQuote:
China's defunct and reportedly out-of-control Tiangong 1 space station is expected to re-enter Earth's atmosphere sometime this weekend. It poses only a slight risk to people and property on the ground, since most of the bus-size, 8.5-ton vehicle is expected to burn up on re-entry, although space agencies don't know exactly when or where that will happen.
https://www.newsweek.com/massive-sol...am-war-1206502Quote:
An extraordinary account of the impact space weather had on military operations in Vietnam in 1972 was found buried in the U.S. Navy archives, according to a newly published article in Space Weather.
On August 4, 1972, the crew of a U.S. Task Force 77 aircraft flying near a naval minefield in the waters off Hon La observed 20 to 25 explosions over about 30 seconds. They also witnessed an additional 25 to 30 mud spots in the waters nearby.
Destructor sea mines had been deployed here during Operation Pocket Money, a mining campaign launched in 1972 against principal North Vietnamese ports.
There was no obvious reason why the mines should have detonated. But it has now emerged the U.S. Navy soon turned its attention to extreme solar activity at the time as a probable cause.
The more we can understand the impact of such space weather on technology then the better we can be prepared for any future extreme solar activity.
The original article was on an academic website and the author has responded to some of the comments - which may be of interest:https://theconversation.com/blasts-from-the-past-how-massive-solar-eruptions-probably-detonated-dozens-of-us-sea-mines-105983?