LIVE • NOAA SWPC DATA

Aurora & space
weather for the
United States

Real-time OVATION aurora forecasts and planetary K-index. Special attention to Michigan and the Great Lakes.

Michigan viewers

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Watch for sudden increases in solar wind or southward Bz.

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CURRENT CONDITIONS

SOLAR WIND

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km/s • — p/cm³

IMF Bz

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nT • Southward = favorable

PLANETARY Kp

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Latest 3-hour • Active

OVATION (NA)

—%

Max probability (North America)

AURORA MAP — OVATION MODEL

North America • Probability of visible aurora (0–100%)

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Low

Moderate

High

KP OUTLOOK + MICHIGAN FORECAST

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Tonight (Michigan): Data loading...

Recent trend: Based on current solar wind and Bz.

Chart shows last ~36 hours of 3-hour Kp values. Full multi-day forecasts available from NOAA.

Get notified

Browser alerts when conditions look promising for Michigan (Kp ≥ 4 or significant OVATION probability). We check on every data refresh.

Aurora & spaceweather for theUnited States