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Aurora Forecast

Yellowknife, Northwest Territories

Tonight

CALM2011

Thursday, September 11

ACTIVE (POSSIBLE G2 STORM)

Activity Level: 7.5/10
Early Aurora: 5.5/10
Overnight Aurora: 8.5/10
Peak Intensity: 8.0/10
Colour: Green/Red/Magenta
NOTE: A G2 (Moderate) Geomagnetic Storm is possible in the hours following CME impact (visit northernlighthouse.ca for details). Prior to CME arrival, conditions will be quiet with unsettled periods. Peak activity is expected in the hours before and after local midnight. To watch the auroras above Yellowknife in real time, check out AuroraMAX Live
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Real Time Information

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Current Magnetic Field

Status
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Other Data
Space Weather Now

NOAA 3-Day Forecast

Current Oval (OVATION)
AuroraMAX Live

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Activity Charts

CALM 2.5

MODERATE 3.5
MODERATE 4.5
ACTIVE 5.0

Long-Range Forecast

CALM2011

Friday, September 12

ACTIVE (POSSIBLE G3 STORM)

Activity Level: 8.0/10
Early Aurora: 7.0/10
Overnight Aurora: 8.5/10
Peak Intensity: 8.0/10
Colour: Green/Red/Magenta
CALM2011

Saturday, September 13

ACTIVE (POSSIBLE G1 STORM)

Activity Level: 6.5/10
Early Aurora: 3.0/10
Overnight Aurora: 5.5/10
Peak Intensity: 5.5/10
Colour: Green/Red/Magenta
CALM2011

Sunday, September 14

ACTIVE

Activity Level: 5.5/10
Early Aurora: 4.0/10
Overnight Aurora: 6.5/10
Peak Intensity: 6.5/10
Colour: Green
CALM2011

Monday, September 15

ACTIVE


Activity Level: 5.0/10
Early Aurora: 4.5/10
Overnight Aurora: 5.5/10
Peak Intensity: 5.5/10
Colour: Green
Astronomy North Society forecasts are updated daily before noon Mountain Time. This forecast of the geomagnetic conditions that cause auroras at 62° North latitude is developed using space weather data provided by the National Oceanic and Atmospheric Administration. Forecasts are adjusted as solar and magnetic field conditions change. This forecast also serves communities between 60º and 64º North latitude. Activity Level: The anticipated level of auroral activity above northern latitudes from dusk until dawn. Levels are categorized as: Calm (0.0-2.5), Moderate (3.0-4.5), Active (5.0-6.5), and Active Storm (6.5-10.0). Peak Intensity: Refers to anticipated brightness and motion during peak activity. Other Forecasts: NOAA / Canada / Yukon / Edmonton / Alaska