The waves of charged solar particles are the outcome of three solar flares directed at Earth in recent days, like the most potent since 2006.
The largest flares can disrupt engineering, which includes power grids, communications systems and satellites.
The northern lights (Aurora Borealis) could also be noticeable further south than is typically the circumstance - which includes from northern parts of the Uk.
"Our present see is that the result of the solar flare is probable to reach Earth later today (Thursday GMT), possibly tomorrow early morning," said Alan Thomson, head of geomagnetism at the British Geological Survey (BGS).
He advised BBC Reports: "In the scientific community, there is certainly a sensation that it truly is not as extreme as we first assumed it may be. But it truly is possible nevertheless that it could be a large enough celebration for us to see the northern lights in the Uk."
However, weather conditions forecasts suggested cloudy circumstances could mar views of any aurorae.
Technological influence The US National Oceanic and Atmospheric Administration (Noaa) said that three coronal mass ejections (CMEs) have been en route as the outcome of solar flares on the 13, fourteen and 15 February (GMT).
"The last of the three seems to be the quickest and may catch each of the forerunners about mid-to-late day tomorrow, February 17," examine a statement from Noaa's Space Weather Prediction Center.
The northern lights could be seen additional south than is standard
The flare recorded at 0156 GMT on 15 February was the strongest this kind of celebration in four years, in accordance to the US space agency (Nasa), which has been checking exercise on the Sun ( via bbc.co.uk ).