Aurora in Thunder bay on May 16, 2025

May 16, 2025

Thunder bay change region

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Probability of aurora in Thunder bay

Probability of aurora as of end of day, May 16, 2025, Thunder bay time

12 % Thunder bay

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 16, 2025, Thunder bay time

Aurora over North America

Changes in the auroral oval on May 16, 2025 in Canada from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Aurora in the northern hemisphere

Changes in the auroral oval on May 16, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Probability of aurora in cities of Canada

Estimated probabilities of aurora observations at zenith for cities in Canada as of end of day May 16, 2025.

3 % Ottawa

3 % Toronto

5 % Montreal

2 % Vancouver

8 % Calgary

16 % Edmonton

2 % Hamilton (Canada)

6 % Quebec

16 % Winnipeg

2 % Kitchener

15 % Saskatoon

11 % Red deer

32 % Salluit

49 % Arviat

50 % Yellowknife

17 % Whitehorse

45 % Thompson

8 % Prince george

36 % Rankin Inlet

22 % Iqaluit

39 % Inuvik

10 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from May 15 to 16, 2025 in the northern hemisphere, Thunder bay time

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