ips-aurora-alert -- Possibility of Auroral Event

 

About ips-aurora-alert
English (USA)

SWS Aurora Alerts provide notification of times when auroras are more likely to be seen at more equatorial latitudes than is normal. Because the likelihood of seeing an aurora depends greatly on location, the local time, and the sky conditions, the Bureau's Aurora Alerts should be considered only as an indication that space weather conditions are (or are expected to be) favourable for aurora sightings.

This email list provides three types of aurora notices:

  • Alerts
  • Watches
  • Outlooks

Aurora Alerts
Aurora alerts are issued when space weather activity favourable for viewing aurora is in progress.

Aurora Watches
Aurora watches are warnings with lead times of up to 48 hours. They will only be issued in response to a significant solar Coronal Mass Ejection (CME) or coronal hole likely to be geo-effective. Aurora alerts will follow if favourable space weather activity actually occurs.

Aurora Outlooks
Aurora outlooks are warnings with lead times of 3-7 days. They will be issued in response to the presence of a large active solar region expected to rotate into a position that is favourable for CMEs, and similarly for significant coronal holes. Aurora watches and/or alerts will follow if a geoeffective CME is observed and/or significant geomagnetic activity actually occurs.

Aurora observations that are sent to the Bureau of Meteorology's Space Weather Service are collected in a page which can be accessed by clicking here.

To see the collection of prior postings to the list, visit the ips-aurora-alert Archives.

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