Some science behind the scenes

Geomagnetic storms and space weather

A key source of magnetic disturbances is ‘space weather’ – geomagnetic storms on the sun which in turn affect the Earth.

The sun’s magnetic field varies enormously in response to fluid motions at the solar surface and in the solar interior. Sometimes the field becomes unstable and leads to massive ejections of fluid called ‘flares’, which release magnetic energy into interplanetary space. These eruptive phenomena are the primary drivers of what is called space weather. In turn, these magnetic changes, are ultimately tied to variations associated with the solar activity (or sunspot) cycle.

The solar cycle is a spatio-temporal magnetic process unfolding over the Sun as a whole. It is actually a magnetic cycle with an average duration of 22 years. However, because very nearly all manifestations of the solar cycle are insensitive to magnetic polarity, it remains common usage to speak of the "11-year solar cycle".

Until recently it was thought that there have been 28 cycles in the 309 years between 1699 and 2008, giving an average length of 11.04 years, but recent research has showed that the longest of these (1784–99) seems actually to have been two cycles, so that the average length is only around 10.66 years.

Cycles as short as 9 years and as long as 14 years have been observed. [see below]. Significant variations in amplitude also occur. The period between 1645 and 1715, a time during which very few sunspots were observed, is a real feature, as opposed to an artifact due to missing data, and coincides with the Little Ice Age.

Cycle	Started	Finished	Duration (years)
Solar cycle 1	March 1755	June 1766	11.3
Solar cycle 2	June 1766	June 1775	9.0
Solar cycle 3	June 1775	September 1784	9.3
Solar cycle 4	September 1784	May 1798	13.7
Solar cycle 5	May 1798	December 1810	12.6
Solar cycle 6	December 1810	May 1823	12.4
Solar cycle 7	May 1823	November 1833	10.5
Solar cycle 8	November 1833	July 1843	9.8
Solar cycle 9	July 1843	December 1855	12.4
Solar cycle 10	December 1855	March 1867	11.3
Solar cycle 11	March 1867	December 1878	11.8
Solar cycle 12	December 1878	March 1890	11.3
Solar cycle 13	March 1890	February 1902	11.9
Solar cycle 14	February 1902	August 1913	11.5
Solar cycle 15	August 1913	August 1923	10.0
Solar cycle 16	August 1923	September 1933	10.1
Solar cycle 17	September 1933	February 1944	10.4
Solar cycle 18	February 1944	April 1954	10.2
Solar cycle 19	April 1954	October 1964	10.5
Solar cycle 20	October 1964	June 1976	11.7
Solar cycle 21	June 1976	September 1986	10.3
Solar cycle 22	September 1986	May 1996	9.7
Solar cycle 23	May 1996	December 2008	12.6
Solar cycle 24	December 2008

The frequency of these mass ejections or flares is dependent on the solar activity cycle. Flares of any given size are some 50 times more frequent at solar maximum than at minimum. Large coronal mass ejections occur on average a few times a day at solar maximum, down to one every few days at solar minimum.

The size of the flares is not dependent on the phase of the solar cycle. For example, three large flares occurred in December 2006, which was very near solar minimum; one of these was one of the brightest on record.

Induction of currents

The worry for many companies is that these variations induce currents (GIC – geomagnetically induced currents) in equipment operated on the surface of Earth or in equipment operating in ‘space’. Electric transmission grids and buried pipelines are common examples of such conductor systems, but satellites and other communications equipment are also at risk. GIC can cause problems, such as increased corrosion of pipeline steel and damage to high-voltage power transformers. It can simply knock the systems out.

In effect, a time-varying magnetic field external to the Earth induces electric currents in whatever happens to be capable of producing a current on the ground.

Examples of conducting networks are electrical power transmission grids, oil and gas pipelines, undersea communication cables, telephone and telegraph networks and railways. All these currents tend to be low frequency and are often described as being quasi direct current (DC), although the variation frequency of GIC is governed by the time variation of the electric field.

Since the largest magnetic field variations are observed at higher magnetic latitudes, GIC have been regularly measured in Canadian, Finnish and Scandinavian power grids and pipelines since the 1970s. GIC of tens to hundreds of Amperes have been recorded. GIC have also been recorded at mid-latitudes during major storms. There may even be a risk to low latitude areas, especially during a storm commencing suddenly because of the high, short-period rate of change of the field that occurs on the day side of the Earth.

GIC have been known since the mid-19th century when it was noted that electrical telegraph systems could sometimes run without power during geomagnetic storms.

Solar flares and the possibility of using them

In general we may think that we cannot use or take advantage of solar flares in order to gain a spiritual experience. The event comes and is over before we realise it has taken place. But solar flares actually have a pattern that may enable us to take advantage of their activity.

Solar flares produce ultraviolet radiation, sometimes x-rays and high energy cosmic rays. These forms of radiation propagate at or near the speed of light reaching the earth in about 8 to 15 minutes, where they cause ionisation and electric currents in the ionosphere. In turn the ionospheric disturbances cause variations in the magnetic field which, when strong enough, are called magnetic storms.

Flares also produce corpuscular radiation particles which propagate more slowly, reaching the earth in about one or two days. When these charged particles hit the upper atmosphere, they also produce ionisation. Some are trapped in the magnetosphere, where they are temporarily stored. When sufficiently accelerated in the magnetosphere, they may penetrate deep enough into the atmosphere to produce auroras. Perturbations of the earth's magnetic field are associated with these events.

In effect, magnetic storms occur at two times and the second time offers us the possibility to plan a means to take advantage:

immediately after a solar flare – due to wave radiation
sometime after the solar flare – generally about 2 to 4 days – due to corpuscular radiation

The so called 'KP' index becomes a maximum on the fourth day following a solar flare [source Reiter and Reinhold – Relationships between atmospheric electrical phenomenon and simultaneous meteorological conditions – Air Force Cambridge Research Laboratory 415 1960]. Magnetic storms often last several days. So we have an opportunity here to exploit this phenomenon.

Solar flares and UFOs

The link between solar Flares and UFOs is proven. Solar flares affect cosmic rays entering the solar system from outer space. The plasma scatters them and can do it in such a way as to cause some odd effects on earth. Some high-energy cosmic rays entering Earth's atmosphere can collide hard enough with molecular atmospheric constituents to cause occasional ‘nuclear spallation reactions’. Explosions in space. Some sightings of so called ‘exploding UFOs’ can be attributed to this phenomenon.

Researchers in the area have the tendency to want to put down UFO sightings as being wholly attributable to one possible mechanism of inducing hallucinations – such as fault activity, - but as we have seen in all the other sections, a UFO sighting or any other form of hallucinatory sighting can be provoked by a huge number of possible mechanisms – too many peyote cactuses for your tea; carbon monoxide poisoning from a leaky exhaust in your car; straightforward overtiredness and lack of sleep; the rigours of a too harsh weight loss diet; the sudden onset of food poisoning leading to delirium; a close encounter with chillis that are too hot; ……….

There are plenty of ways to see the fairies.

Observations

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