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May 2024 solar storms: X1.2(X1.3)-class flares [93] and X4.5-class flare. [94] The flares with a magnitude of 6–7 occurred between 30 April and 4 May 2024. On 5 May the strength of the solar storm reached 5 points, which is considered strong according to the K-index. The rapidly growing sunspot AR3663 became the most active spot of the 25th ...
On 22 February, region 3590 produced a solar flare measuring X6.3. [58] In May, the strongest solar storm in 20 years produced aurorae at far lower latitudes than usual. A few days later, on 14 May, region 3664 produced the strongest solar flare up to that point of the solar cycle, measuring X8.7. [59] [60]
In August, NOAA's Space Weather ... On Oct. 3, the strongest solar flare of Solar Cycle 25 happened when a region of sunspots sent an X9.0 flare blasting out from the Sun. X-class denotes the most ...
An example is the Meeus smoothing formula, [7] with related solar cycles characteristics available in this STCE news item. [8] The start of solar cycle 25 was declared by SIDC on September 15, 2020 as being in December 2019. [9] This makes cycle 24 the only "11-year solar cycle" to have lasted precisely 11 years.
The CME is expected to cause a moderate solar storm here on Earth on Thursday and Friday, according to NOAA. ... early on August 12, 2024. ... in which the number of solar flares is at its highest
The first visible and electromagnetic effects of a solar flare reach observers on Earth at the speed of light, which means they were spotted about eight minutes after they occurred on the surface ...
A solar flare is a relatively intense, localized emission of electromagnetic radiation in the Sun's atmosphere. Flares occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena. The occurrence of solar flares varies with the 11-year solar cycle.
Nasa warns that major space weather events could lead to ‘technological chaos’