Geomagnetic activity nowcast

Suomeksi

Issued at 20260128 03:01:03 UT

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-3.6	-0.6	-2.3
velocity [km/s]	456.1	496.7	465.5
density [cm-3]	3.4	4.7	4.2

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

Kevo (KEV)	104	13	277
Maasi (MAS)	105	13	247
Kilpisjärvi (KIL)	129	13	262
Ivalo (IVA)	108	11	232
Muonio (MUO)	-	9	223
Sodankylä (SOD)	100	8	181
Pello (PEL)	118	8	162
Oulujärvi (OUJ)	45	6	85
Mekrijärvi (MEK)	20	4	39
Hankasalmi (HAN)	26	4	44
Nurmijärvi (NUR)	-	4	34
Tartu (TAR)	11	3	25

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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