Geomagnetic activity nowcast

Suomeksi

Issued at 20260519 06:31:02 UT

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-4.4	-0.4	-3.0
velocity [km/s]	505.9	574.4	537.3
density [cm-3]	0.2	2.3	1.0

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

Kevo (KEV)	50	20	136
Maasi (MAS)	56	20	164
Kilpisjärvi (KIL)	63	22	156
Ivalo (IVA)	45	19	135
Muonio (MUO)	48	17	138
Sodankylä (SOD)	43	16	111
Pello (PEL)	41	15	107
Oulujärvi (OUJ)	34	13	62
Mekrijärvi (MEK)	25	8	39
Hankasalmi (HAN)	23	8	41
Nurmijärvi (NUR)	25	9	43
Tartu (TAR)	21	8	40

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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