Aurora Borealis in Ripley
United Kingdom · 53.03°, -1.40° · geomagnetic 55.1° · needs Kp 7
Tonight's aurora forecast for Ripley
5%
Peak chance of a visible display tonight, from the same model the Revon app runs. Ripley needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Ripley
Ripley is located at 55.1° geomagnetic latitude. Auroras are typically visible at this latitude during periods of strong geomagnetic activity, specifically when the Kp index reaches 7.
On average, there are about 2.7 nights per year in Ripley where conditions are suitable for aurora viewing. This is based on historical data spanning from 2016 to 2026.
The best months for aurora viewing in Ripley are September, August, and November. These months offer a good balance of darkness and potential aurora activity.
However, during May, June, and July, there is no full darkness due to the high latitude and time of year. This significantly reduces the chances of seeing the aurora during these summer months.
Ripley experiences a Bortle 7 sky, indicating significant light pollution. For darker skies, Bortle 4 conditions can be found 113 km east-north-east near East Lindsey.
Darker skies with Bortle 5 conditions are available 68 km east-south-east near South Kesteven.
The horizon to the west is marked by the hill of Bessalone, 4.7 km away. To the north-west, the hill of Thorphill is 6.3 km away, and further north-west is the mountain Wardlow Hay Cop, 33.8 km distant.
West of Ripley, the hill of Bessalone offers a potential vantage point 4.7 km away. North-west of Ripley, the hill of Thorphill is situated 6.3 km away.
Further north-west, the mountain Wardlow Hay Cop is located 33.8 km from Ripley.
South of Ripley, Locko Park is a park area 10.3 km away, and Holme Nook, an island, is also 10.3 km to the south-south-west.
Between 2015 and 2016, 104 verified aurora sightings were reported within 300 km of Ripley.
Notable aurora events recorded in the historical data include nights with Kp values of 7.0 on 2026-03-20, 7.67 on 2026-01-20, and 8.67 on 2026-01-19.
Further significant events occurred on 2025-11-12 with a Kp of 7.33 and on 2025-11-11 with a Kp of 8.67.
Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the Ripley forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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