Overhead Alberta Aurora Possible Early Morning May 28
35% probability of Overhead Alberta Aurora early morning Wednesday May 28 +/-24hrs
Cause: Coronal Hole High Speed Stream (CH HSS)
The geomagnetic field is expected to be quiet to unsettled, with isolate active periods possible, on 27 May as HSS influence slowly wanes. On 28-29 May, conditions are expected to increase with the onset of a negative polarity CH HSS. Unsettled to G1 (Minor) storming is likely on 28 May followed by unsettled to active conditions on 29 May.
- Space Weather Prediction Center
Expectations
Overhead/KP5 Aurora can be 100's of kms long over Alberta, can often be seen throughout the province from rural areas.
Locations: anywhere in Alberta with clear skies
Edmonton Latitudes
KP4 can be seen halfway up the northern sky, approaching overhead
KP5/G1 can be seen overhead
KP6/G2 and greater can be seen overhead and possibly under urban skies
KP7/G3 and greater can be seen across the entire sky and possibly under urban skies
Calgary Latitudes
KP4 can be halfway up the northern sky
KP5/G1 can approach overhead
KP6/G2 and greater can be seen overhead and possibly under urban skies
KP7/G3 and greater can be seen across the entire sky and possibly under urban skies
In the Mountains
KP4 Aurora may not be high enough to be visible over the mountains
KP5/G1 can peek over the mountain tops
KP6/G2 and greater can be seen overhead
KP7/G3 and greater can be seen across the entire sky and possibly under urban skies
Lethbridge Latitudes
KP4 Aurora may be visible on the northern horizon
KP5/G1 can can be halfway up the northern sky
KP6/G2 and greater can be seen overhead
KP7/G3 and greater can be seen across the entire sky and possibly under urban skies
Etiquette
If you're in an area with a lot of people, there will be cars with headlights on; don't let it upset you.
If you're parking in a place with a lot of people, try to turn your headlights off if possible
Drive carefully, park your car fully off the road
Stay off of private property
Forecast sources
https://services.swpc.noaa.gov/text/3-day-geomag-forecast.txt
https://services.swpc.noaa.gov/text/discussion.txt
SpaceWeatherLive