Forecast of the auroral oval boundaries for the next hour
www.spaceweather.ru
Space Research Institute RAS, Moscow
iki.cosmos.ru

Forecast for:
UT  06:00-07:00, 18.09.2025
MSK 09:00-10:00, 18.09.2025

Poleward boundary of the auroral oval
Magnetic local time:           00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Geomagnetic latitude, degrees: 71 71 72 73 74 74 74 74 75 75 75 76 76 76 76 76 75 75 74 74 73 72 71 71

Equatorward boundary of the auroral oval
Magnetic local time:           00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Geomagnetic latitude, degrees: 65 65 65 66 67 68 69 70 72 73 74 74 74 74 74 74 73 73 71 70 69 68 66 66

Equatorward boundary of the diffuse aurora
Magnetic local time:           00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Geomagnetic latitude, degrees: 63 63 63 64 64 64 65 65 66 66 67 67 68 69 69 69 69 69 68 68 67 66 65 64

Current AL index: -79
AL index is estimated on the basis of real-time DSCOVR magnetic field and solar wind speed

Updated at:
UT  05:05, 18.09.2025
MSK 08:05, 18.09.2025

Questions, comments and suggestions are welcomed at
Anatoli Petrukovich,   a.petrukovich@cosmos.ru
Tatiana Podladchikova, t.podladchikova@skoltech.ru