Mountaineering Council of Scotland said incidents where compasses were affected by reverse polarity were increasing.
BBC: Reverse polarity a risk to climbers, mountain body warns
Ms Morning said a call from Mr Williams for experiences of reverse polarity had seen stories from outdoor enthusiasts come "flooding in".
No-one knows how the Sun's enormous magnetic fields are generated, or why they reverse polarity from positive to negative every 11 years.
BBC: Sun has strange 'spin cycle'
For the Democrats to retake the House, they must either reverse this polarity in the South or they must ride a wind of similar force in other parts of the country.
NPR: What Would It Take To Flip the House?
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