A strong geomagnetic storm is expected tomorrow, Report informs referring to the Shamakhi Astrophysical Observatory named after Nasreddin Tusi of the Azerbaijan National Academy of Science.
The storm is likely to rise to G3 (severe) levels on September 19. The geomagnetic field is expected to calm down on September 20.
On September 23 there is again a possibility of a G1 (weak) level geomagnetic storm.