X  Kiinni Visuaalinen Aurora Borealis / Revontulet ja VHF Radio Aurora -osoittimet
Geomagneettinen myrsky

3 KP-INDEX

Hiljainen nro Geomagneettinen myrsky

KP-PLANETARY INDEX

Ei auroraa

Radio Aurora -osoittimet

12 A-INDEX

Hiljainen nro Myrsky

EI AKTIIVINEN

Ei radio Aurora




KP-INDEX Tiedot

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

A-INDEX Tiedot

A-INDEX is an indicator of possible enhanced VHF radio communication at a range of 1000 miles or more. Strong solar activity may allow long-distance radio communications at 28-433 MHz in mid to high latitudes.


Tiedot tarjoaa http://services.swpc.noaa.gov  ©2020