X  FermerVisual Aurora Borealis/Northern Lights and VHF Radio Aurora Indicators Dernière mise à jour: 22:16:47

Tempête géomagnétique

1 KP-INDEX

Calme aucune Tempête géomagnétique

KP-PLANETARY INDEX

Pas d'aurore

Radio Aurora Indicators

2 A-INDEX

Calme aucune Orage

NOT ACTIVE

Pas de radio Aurora




KP-INDEX Information

KP-INDEX figure provides a good indicator of viewing the Aurora Borealis or Northern Lights The greater the KP-Index the higher probability of viewing. The Estimated 3-hour Planetary Kp-index data is collected from ground-based magnetometers.

A-INDEX Information

A-INDEX is an indicator of possible enhanced VHF radio signal communication at a range of upto 1000 miles or more. During strong solar activity frequencies from 28 to 433MHZ or higher allowing radio communications to be possible at mid to high latitudes .

Data Provided by http://services.swpc.noaa.gov  ©2020