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Cyclones are not typically found in this region because sea surface temperatures (SSTs) in the southeastern Pacific Ocean are usually too cold. The oceanographic process known as upwelling tends to bring cold water up from the deep ocean along the Chilean coast. (Similar conditions prevail offshore from California in the northern hemisphere.)
Indonesia's Mount Merapi volcano erupts
The disaster mitigation agency asked residents living within a radius of 5 km (3 mile) to move to safer locations and shelters.
After columns of ash and volcanic material as high as 5,500 meter (18,000 ft) were noticed, the airport in Yogyakarta, the nearest big city to the volcano, was also shut down, reported Reuters.
© Takuto Usuda
"It made me feel so lucky because it's rare to see such a phenomenon," said Takuto Usuda, 21, a fourth-year student at Hirosaki University, who posted photos to Twitter of the colorful spectacle.
It is extremely rare for an horizontal rainbow, known as a circumhorizon arc, and a sun halo, when a circle of light forms around the sun, to be seen in the sky at the same time, according to the Aomori Meteorological Observatory.
An unusual but spectacular sight, known as a fire rainbow, was spotted near Hazard, Kentucky, on Sunday.
This phenomenon, which resembles a piece of a brightly colored rainbow, is also known as a circumhorizontal arc.
The name fire rainbow comes from its bright rainbow colors and almost flame-like shape.
Unlike rainbows, circumhorizontal arcs occur from the refraction of sunlight through hexagonal, plate-shaped ice crystals when the sun is 58 degrees above the horizon and no rainfall is involved. Sunlight enters these ice crystals and splits into individual colors, like a prism.
© Michael Herald
The name fire rainbow comes from its bright rainbow colors and almost flame-like shape.
Unlike rainbows, circumhorizontal arcs occur from the refraction of sunlight through hexagonal, plate-shaped ice crystals when the sun is 58 degrees above the horizon and no rainfall is involved. Sunlight enters these ice crystals and splits into individual colors, like a prism.
© U.S. Geological SurveyCREEPING FIRE Lava flowing from new fissures along the eastern flank of Hawaii’s Kilauea volcano engulfed part of Makamae Street in a housing subdivision on May 6.
Cracks open in the ground. Lava creeps across roads, swallowing cars and homes. Fountains of molten rock shoot up to 70 meters high, catching treetops on fire.
After a month of rumbling warning signs, Kilauea, Hawaii's most active volcano, began a new phase of eruption last week. The volcano spewed clouds of steam and ash into the air on May 3, and lava gushed through several new rifts on the volcano's eastern slope. Threatened by clouds of toxic sulfur dioxide-laden gas that also burst from the rifts, about 1,700 residents of a housing subdivision called Leilani Estates were forced to flee their homes, which sat directly in the path of the encroaching lava.
The event marks the 62nd eruption episode along Kilauea's eastern flank, which is really part of an ongoing volcanic eruption that started in 1983. The volcano is one of six that formed Hawaii's Big Island over the past million years. Mauna Loa is the largest and most central; Kilauea, Mauna Kea, Hualalai and Kohala occupy the island's edges. Mahukona is currently submerged. All six are shield volcanoes, with broad flanks composed of hardened lava flows.
Comment: The continued eruptions, lava flows and accompanying 'vog' are likely to have long term effects on Hawaii and perhaps even be a precursor to major changes around the entire ring of fire. We'll be keeping a close eye on these developments, so continue to check back for updates. See also:
- Lava outbreak triggers evacuations in Hawaii amid fears of imminent eruption
- Hawaii volcano triggers more evacuations as two new vents appear
- Lava fountains, tremors, fissures, toxic fumes: Hawaii braces itself as Kilauea boils over in unusual outburst
- Adapt 2030 Ice Age Report: Are Hawaii eruptions and earthquakes related to cosmic ray increases?
- Hawaii State of Emergency: Small Tsunami Followed Strongest Quake Since 1975 - SIX Fissures Have Opened up, Forcing Evacuations
SOTT Focus: SOTT Earth Changes Summary - April 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
Sheets of rain, floods and huge hail-stones caused serious problems this April, with the Middle East, Kenya, South Africa, Central America and the South of the US all suffering the consequences.
While many sinkholes still made their appearance around the world, huge cracks in the earth also opened up, alarming many people. Some researchers attribute such cracks to the liquefaction of earth layers below the surface due to heavy rains and floods, but there is also the slow-down in the speed of Earth's rotation and cosmic rays to consider when assessing this upsurge in geological activity... the Earth's crust appears to be 'opening up'.
Volcanic activity in the Ring of Fire also remained high this April, and there is no sign that it will decrease in intensity.
It should always be remembered that the kind of destructive weather patterns we are seeing around the world has a significant damaging effect on crops and livestock, with knock-on effects for the global economy that are yet to manifest.
Check out the madness below!
Comment:
Check out the other recent releases :
- SOTT Earth Changes Summary - November 2017: Extreme Weather, Planetary Upheaval, Meteor Fireballs
- SOTT Earth Changes Summary - December 2017: Extreme Weather, Planetary Upheaval, Meteor Fireballs
- SOTT Earth Changes Summary - January 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
- SOTT Earth Changes Summary - February 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
- SOTT Earth Changes Summary - March 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
The circumhorizon arc looks like an upside down rainbow, but it's formed differently. Rainbows occur when light is refracted by water droplets, usually just after rain. Circumhorizon arcs however are one of many halos that can be formed by light's interaction with ice crystals.
Ice crystals are found high in the sky and can refract light into a variety of halos and shapes depending on where the sun is in the sky relative to the ice crystals and what kind of crystals are present. To form a circumhorizon arc the light is refracted by plate crystals oriented so that the light can enter through the plate's side.
Nearly 300 earthquakes have been recorded in just ten days near Spain’s Canary Islands raising fears of a volcanic eruption.
Almost 300 earthquakes have shaken the territory of the biggest islands of the Canary archipelago, Tenerife and Gran Canaria, over the last ten days. According to the Spanish National Geographic Institute, the biggest one, a 3.2 magnitude on the Richter scale, happened 35 km away from the Port of Las Palmas de Gran Canaria.
The area is the home to the world's third-tallest volcano, Mount Teide and the National Park of the same name, which is one of the most visited tourist destinations, with lots of volcanos.
© Brady Strachan/CBCFlooding in the north of Rock Creek in the Boundary region of the B.C. Interior.
Swollen rivers in B.C.'s Interior have spilled their banks, leaving valleys dotted with small lakes and changing what is normally the province's prime ranch country into otherworldly, mirrored paddy fields.
In some places, roads have been washed out and the ground under electricity poles has been so eroded that power lines have come down.
Comment: Last week a similar situation arose on the other side of the country: By the numbers: The record-setting flood in New Brunswick, Canada - due to snow melt
Comment: See also: