Auroral Forecast Maps:
September 18, 1999

The above map shows the region (green) in which aurora may be expected to be seen overhead in Alaska between about 10 PM and 2 AM. Note that aurora may be seen in the northern sky if you are within about 400 km (250 miles) of the region and have an unobstructed view in that direction.

Click on a location on the map below to produce a forecast map customized for your longitude.

The forecast map will show the approximate Universal Time (UT) of greatest activity for your longitude, which occurs about an hour before local geomagnetic midnight. The approximate limits of aurora visibility for that time are marked in red.