A pale moonbow arcing through mist below Cumberland Falls at night

Cumberland Falls Moonbow LiveFriday, January 30

TOO EARLY TO CALL

1 live/model sources fresh

Estimated Moonbow Chance0%

Physical score 0/100

Best window: No viable window
Arrive by: Do not make the trip
Forecast confidence: LOW 38/100

The astronomy can be planned now, but reliable weather inputs are not available yet.

The Moon is 95% illuminated.
Primary-bow geometry misses the visible mist field.
Moon is too high for primary-bow geometry.
Weather and river conditions cannot override a failed physical Moon gate.

USGS 3DEP cached horizonnot live

USGS station 03404500updated 68 min ago

NWS forecast grid JKL 28,14updated 67 min ago

NOAA HRRR 3 km via Open-Meteounavailable

Photo: Design219 / Wikimedia Commons · CC BY-SA 4.0

Interactive moonbow diorama

See why this time works

Scrub the evening, then tap a feature to understand the geometry.

Viewing time11:30 PM

Moon is too high for primary-bow geometryScrub the timeline to see what changes.

Moonbow zone

A primary moonbow appears roughly 40–42° from the anti-lunar point. The brighter this arc appears here, the better the modeled bow-to-mist alignment.

Explore the night5:00 PM → 6:00 AM

Moon altitude78.8°

Bow/mist error30.4°

Mist placement86/100

Cloud transmission16/100

Physical score0/100

This is an explanatory diorama, not a literal camera view. The engine itself uses topocentric Moon position, the 40–42° primary-bow geometry, the cached local skyline and a modeled mist volume at five-minute resolution.

Five-minute engine

Tonight timeline

Every interval is stopped by at least one physical or safety gate.

Checking the six conditions…

See why this time works

Tonight timeline

Moon + geometry

Moonlight path

River + mist

Why tonight

Falls Overlook

Forecast confidence

Next moonbow windows

Did you see the moonbow?