OVATION probability
–
NOAA 30–90 min nowcast, your coords
Planetary Kp
–
global 3h average
IMF Bz
–
negative = more favorable
Cloud cover
–
Open-Meteo, your coords
Moon
–
brighter moon = fainter aurora visible
Solar wind speed
–
faster + southward Bz = stronger signal
X-ray flux
–
flare class — M/X can precede a storm by days