Space Weather

Space weather describes changing environmental conditions in near-Earth space. Magnetic fields, radiation, particles and matter, which have been ejected from the Sun, can interact with the Earth’s upper atmosphere and surrounding magnetic field to produce a  variety of effects.

Image courtesy of NASA/SDO and the AIA, EVE, and HMI science teams

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Aurora forecasts

Northern Hemisphere

No auroral enhancements are forecast for much of this period, with any visibility likely to remain restricted to high latitudes. There is a possibility of coronal hole fast winds developing on the UTC evenings of 16 and 17th of November, which may bring slight enhancements, potentially allowing visibility across parts of northern Scotland and similar latitudes

Southern Hemisphere

No auroral enhancements are forecast for much of this period, with any visibility likely to remain restricted to high latitudes. There is a possibility of coronal hole fast winds developing on the UTC evenings of 16 and 17th of November, which may bring slight enhancements, potentially allowing visibility across parts of southern New Zealand and similar latitudes.

Issued at: 14:29 (GMT) on Sat 14 Nov 2026

Forecast overview

Space Weather Forecast Headline: Slight chance of Moderate class flares.

Analysis of Space Weather Activity over past 24 hours

Solar Activity: Solar activity has been Low with only common class flares observed. There are currently nine sunspot regions on the Earth-facing disc. The region located near the southwest limb has historically been the largest and most active region, but has continued to decay and lose its magnetic complexity. The remaining regions are small and relatively magnetically simple, despite some seeing some minor development in recent hours. 

No Earth-directed Coronal Mass Ejections (CMEs) were observed. 

Solar Wind / Geomagnetic Activity: Solar wind speeds were between background and slightly elevated levels (350-410 km/s). Total Interplanetary Magnetic Field was weak, with the north-south component varying weakly. Geomagnetic activity was Quiet (Kp0-1).

Energetic Particles / Solar Radiation: The count rate of energetic particles (high energy protons) persisted at background levels.

Four-Day Space Weather Forecast Summary

Solar Activity: Activity is expected to be mostly at Low levels, with a slight chance of isolated low-level M-class flares.

Solar Wind / Geomagnetic Activity: There are no Earth-directed CMEs. Solar winds have now eased to background levels with no enhancements expected until Days 3 and 4 (16-17 Nov), when fast winds from CH10/+ may connect with Earth. 

Mainly Quiet (Kp0-2) geomagnetic conditions are expected until connection with fast winds from CH10/+, possibly on Days 3-4 (16-17 Nov), at which point Unsettled to Active intervals (Kp3-4) are possible with only a slight chance of an isolated G1/Minor geomagnetic storm (Kp5). 

Energetic Particles / Solar Radiation: Solar radiation storms are not expected, with just a very slight chance of exceeding the S1/Minor radiation storm level.

Issued at: 12:09 (GMT) on Sat 14 Nov 2026

Solar imagery

SDO AIA-193

This channel highlights the outer atmosphere of the Sun - called the corona - as well as hot flare plasma. Hot active regions, solar flares, and coronal mass ejections will appear bright here. The dark areas - called coronal holes - are places where very little radiation is emitted, yet are the main source of solar wind particles.

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SDO AIA-304

This channel is especially good at showing areas where cooler dense plumes of plasma (filaments and prominences) are located above the visible surface of the Sun. Many of these features either can't be seen or appear as dark lines in the other channels. The bright areas show places where the plasma has a high density.

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