Aurora in Thompson on April 18, 2025

April 18, 2025

Thompson change region

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Probability of aurora in Thompson

Probability of aurora as of end of day, April 18, 2025, Thompson time

24 % Thompson

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 18, 2025, Thompson time

Aurora over North America

Changes in the auroral oval on April 18, 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 April 18, 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 April 18, 2025.

1 % Ottawa

1 % Toronto

1 % Montreal

1 % Vancouver

4 % Calgary

8 % Edmonton

0 % Hamilton (Canada)

2 % Quebec

7 % Winnipeg

0 % Kitchener

7 % Saskatoon

5 % Red deer

18 % Salluit

23 % Arviat

23 % Yellowknife

8 % Whitehorse

24 % Thompson

4 % Prince george

17 % Rankin Inlet

13 % Iqaluit

16 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 17 to 18, 2025 in the northern hemisphere, Thompson time

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