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weather6h ago
'Clear sign' we've all seen in the sky means 'it will snow soon'
- UK readers are told a lunar halo could signal upcoming snow or rain, based on observations of the Moon's ring.
- Experts say halos form from ice crystals and high-altitude clouds, linking lunar rings to winter weather signals.
- Some sources claim smaller halos may forewarn of snow within 8–12 hours, larger halos within 48–72 hours.
- The article advises checking official weather forecasts rather than relying solely on halo sightings.
- Moon halos are described as astronomical phenomena that can indicate atmospheric conditions leading to precipitation.
- The piece references meteorologist Jonathan Erdman from Weather.com commenting on halo observations.
- The article frames the halo as folklore, advising readers to treat it as one clue among multiple data points.
- The story includes general explanations of how moon halos form from atmospheric conditions.
- The article notes that halos are sometimes called 22-degree halos due to light refraction angles.
- The piece mentions folklore about halos, including beliefs about stars within halos indicating bad weather days.
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