October: Northern lights may shine in some parts of the US this week

October: Northern lights may shine in some parts of the US this week
After many years of sleep, a flare from the sun to the earth is testing a rare glimpse of the northern light far south than usual, and it is becoming the latest sign that the sun is “awake.”

The solar flare erupted from the sun on Monday and produced a coronal mass ejection (CME) of plasma from the sun’s atmosphere, which will interact with the Earth’s atmosphere by Thursday. As a result, the NOAA’s Space Weather Forecast Center is predicting a multi-day solar storm that will intensify from Wednesday night at G-3 intensity (G) to G-1 (minor) to G-5 scale on Wednesday night. Expected to climb from. (Intense)

A solar storm, also known as a geomagnetic storm, occurs when solar particles interact with the Earth’s upper atmosphere and produce ur roars, according to David Samuhel, a senior meteorologist and astronomy blogger Told. The strength of these storms plays into areas where great light can be seen.

When these waves of charged particles reach the Earth, the planet’s magnetic field carries them to the North and South Poles where they collide with the planet’s atmosphere. It is the interaction between charged particles and the Earth’s atmosphere that results in the colorful rotation of light known as the colorful barrier. In the northern golisfire, the lights are known as aurora borealis, and can be bright in many colors, including bright green and purple.

Respiratory phenomena are a regular occurrence near the North and South Poles, but they can be seen occasionally during strong geomagnetic storms in the most populated areas of Europe and the United States.

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“It’s all about the strength of the solar storm. The faster the storm, the farther south it looks,” Samuhel said.

Due to the intensity of a G3 storm, it is likely that northern lights will reach places in the United States from Boston to Chicago to Seattle, although it will not be possible to see the Aurora from the cities themselves due to light pollution.

“If the storm gets this fast, it’s possible to see the northern lights like Northern Pennsylvania, Iowa and Washington, but at a distance it will look like a dim glow, not a band tied to the light as people think. Are. “When they think of Ora Rora,” said aqueduct meteorologist Brian Lada.

However, cloud cover and light pollution can prevent some of these areas from being seen.

“I would say that light pollution meters have a greater effect on rain (the appearance of northern lights) than on rain,” said Samuhel. “It’s usually so mild when it’s so far south that you have to look at it.” It has to be in the pitch-black area, yet it can still be moderate. “

He added that people who see dim lights are sometimes able to get better pictures using longer exposures so that the lights are visible.

According to the Minnesota and Wisconsin Samuels, at least cloudbursts are visible in some places, although conditions will be worse in northern New England and northwest Aurora.

However, Samuhel warned that the storm would never play out.

“The forecast for these solar storms is harder and harder than the weather forecast,” said Samuhel. “Sometimes that doesn’t happen.”

The strength of these solar storms, which allow Aurora to reach the far south, can cause eruptions and CMEs. Depending on the severity of. The stronger the event, the stronger the storm. In turn, the faster the storm, the farther the northern lights reach – and the more serious the impact.

This strong flare-up usually occurs during the “solar maximum” or part of the 11-year solar cycle in which the duration of high solar activity and a correspondingly high number of CMEs in the form of high sun spots. Is involved. Solar represents a period of time with minimal solar activity within at least this 11-year cycle. The sun is currently shifting from a solar low to the next solar high, which is predicted to reach its ascension in the first half of 2020.

Ur roars are likely to be solar maximum, but it could still be during a solar minimum, according to Samuhel. However, an aurora will need a hard flare to display abnormally in the far south, which is not much of a chance except for a solar hike.

While solar storms are rated on a G-1 scale by G-5, solar storms are rated on a five-tiered scale with the A-class flares being the smallest, followed by There are B, C, M and X-class flares. Almost every rank after the letter has a scale of 1 to 9, although there is no upper limit for X-class flares.

A C7.4-class solar flare was observed on Monday – one of the most powerful recent flares to hit Earth, signaling a period of change in a more active part of the solar cycle 25 that could affect the planet. .

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“It could be a sign that the sun is ‘waking up,'” Samuel said. “The current solar is at least about to end.”

The last solar maximum was born between 2011 and 2015 before the sun dried up.

But on November 29, 2020, an M-class solar flare triggered a major CME. Created, though sent away from the earth.

The direction of the solar flares plays a major role in their effect as well as during the transition period. While M4.4 passed harmfully, the combination of a strong flare in the direction of the Earth could result in technological catastrophe.

According to NOAA, the G-3 solar storm is likely to have less impact on power systems, spacecraft operations and satellite navigation. But hurricanes are more likely to have serious effects.

On September 10, 2017, during the last laugh of the solar hiatus, the sun flew an X8.3 solar flare – one of the strongest flares ever, according to Samuel. It was kept away from the planet.

“It would have caused planetary blackness and a lot of satellites would have been fried. Maybe it would have been a global catastrophe,” Samuhel said.

About the author: Raven Weber

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