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Aurora Forecast

Yellowknife, Northwest Territories

Tonight


Friday, December 19

ACTIVE (POSSIBLE G1 STORM)

Activity Level: 6.0/10
Early Aurora: 4.5/10
Overnight Aurora: 7.0/10
Peak Intensity: 7.5/10
Colour: Green
*NOTE: Possible CME impact midday
could trigger G1 (Minor) storm activity

overnight. Prior to impact, conditions
will be quiet with unsettled periods,
with peak activity expected in the
hours before and after local midnight.
To watch auroras above Yellowknife
in real time, check out
AuroraMAX Live.
Real Time Information

…………………
Current Magnetic Field

Status
…………………

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

Saturday, December 20

ACTIVE (POSSIBLE G2 STORM)

Activity Level: 7.0/10
Early Aurora: 5.0/10
Overnight Aurora: 8.0/10
Peak Intensity: 5.5/10
Colour: Green/Red/Magenta

Sunday, December 21

ACTIVE (POSSIBLE G1 STORM)

Activity Level: 6.5/10
Early Aurora: 5.0/10
Overnight Aurora: 7.0/10
Peak Intensity: 7.5/10
Colour: Green/Red/Magenta

Monday, December 22

ACTIVE

Activity Level: 5.0/10
Early Aurora: 4.0/10
Overnight Aurora: 6.0/10
Peak Intensity: 6.5/10
Colour: Green

Tuesday, December 23

MODERATE

Activity Level: 4.0/10
Early Aurora: 3.0/10
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

 

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