Auroras may be visible from 18 states this weekend as solar storm barrels toward Earth
Spatial weather experts warn that a moderate force geomagnetic storm could hit the earth on Friday or Saturday (August 8 or 9) – may have northern American sky north.
Wednesday August 6, the National Oceanic and Atmospheric Administration (NOAA) issuing a geomagnetic storm watch and suggested that the storm is probably associated with a recent solar evolution which broke out of an active region of the sun.
The effects of such a storm would be manageable and would be limited to technological infrastructure, said the NOAA. But as a bonus for Skywatchers, dawn May be visible from New York to Idaho.
Geomagnetic storms are temporary disturbances in the earth magnetosphere which arise from a solar wind entering the nearby space. Long -speed long winds traveling in the direction opposed to the magnetic field of the earth often cause the most notable storms.
The greatest geomagnetic storms are associated Coronal mass ejections (CMES) – EXPLULS OF BILLIONS OF TONS OF PLASMA DU SUN. The plasma and the magnetic field integrated into it generally reach the earth several days after having burst from the sun. The possible storm possible is provided on the basis of a CME occurred on August 5 after a solar thrust.
The warning provides that the storm will reach a moderate G2 category storm on the five -level scale of the NOAA to assess the gravity of geomagnetic storms. (Category G5 storms are the strongest, like the one that struck the earth in May 2024 and made the dawn visible as far south as Florida.)
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An assault of solar wind can cause changes in currents, plasma and the fields of the terrestrial magnetosphere, causing the collection of energy particles in the ionosphere – The part of the atmosphere which acts as a border between the earth and the void of space. The additional heat and density in the ionosphere can apply a drag on the satellites in low terrestrial orbit and affect radio signals, which can disturb the navigation systems which Count on GPS.
Geomagnetic storms also often produce observable dawn at unusually weak latitudes. Eighteen states, as far south as southern Dakota and Iowa, may have a chance to attend the North Lights Tomorrow and Saturday, Noaa predict.
It is difficult for experts to guess exactly when the northern lights arise, but the agency suggests that the “best” dawn are generally visible in the dark, in one or two hours after midnight. THE Full moon sturgeonsWho goes up on August 9 at sunset, may surprise the dawn weaker – so try to stand with your back to the moon if you are going to dawn this weekend.
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