Geomagnetic activity nowcast

Suomeksi

Issued at 20251018 04:46:02 UT

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-12.4	-3.0	-7.9
velocity [km/s]	371.1	388.9	377.3
density [cm-3]	21.4	46.7	30.7

Geomagnetic activity (RX [nT])
site	latest hour	next hour (RXmin, RXmax)

Kevo (KEV)	110	32	459
Maasi (MAS)	124	33	480
Kilpisjärvi (KIL)	131	37	417
Ivalo (IVA)	74	25	373
Muonio (MUO)	-	25	430
Sodankylä (SOD)	54	21	406
Pello (PEL)	50	38	412
Oulujärvi (OUJ)	24	14	343
Mekrijärvi (MEK)	13	10	93
Hankasalmi (HAN)	19	7	164
Nurmijärvi (NUR)	18	8	115
Tartu (TAR)	13	8	56

Next hour values give the range in which RX belongs with a 90% probability

Colours describe the activity level:

low	increased	moderate	high	very high

Short explanation of the method

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