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Each class of solar flare is also graded on number scale, from 1 to 9, to determine its exact impact. There's an exception with X-class flares, however, which can go higher than 9.
The Space Weather Prediction Center is one of the nine National Centers for Environmental Prediction (NCEP) and provides real-time monitoring and forecasting of solar and geophysical events, conducts research in solar-terrestrial physics (i.e. heliophysics), and develops techniques for forecasting solar and geophysical disturbances.
The ionospheric disturbance enhances VLF radio propagation. Scientists on the ground can use this enhancement to detect solar flares; by monitoring the signal strength of a distant VLF transmitter, sudden ionospheric disturbances (SIDs) are recorded and indicate when solar flares have taken place. [5]
Programming note: Tune in to CNN NewsNight: Solar Storm, hosted by Abby Phillip and Bill Weir, tonight from 10 p.m. to 12 a.m. ET. For the latest on the massive solar storm, head over to CNN’s ...
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 ...
The aurora is expected to be bright and visible in multiple northern U.S. states Oct. 3 through Oct. 5 as well as from the lower Midwest to Oregon.
The intensity of solar storms are denoted by the letter G followed by a number ranging from 1 to 5, 1 being the most minor event and 5 being the most extreme. ... The incoming solar storm arose ...
The region number assigned to a particular active region is one added to the previously assigned number. For example, the first observation of active region 8090, or AR8090, was followed by AR8091. According to the SWPC, a number is assigned to a region if it meets at least one of the following criteria: [ 7 ]