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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
02:48------
02:47------
02:46------
02:4538.41339.5-13.58---
02:4439.55339.9-13.48---
02:4341.47340.2-13.08---
02:4242.24341.2-12.67---
02:4140.80339.5-13.19---
02:4043.41339.0-11.40---
02:3940.56341.0-11.68---
02:3844.93340.5-10.75---
02:3750.37339.7-9.35---
02:3650.82339.8-9.07---
02:3552.10341.1-8.93---
02:3452.82345.4-9.72---
02:3351.54344.9-9.98---
02:3248.26341.8-10.07---
02:3152.21347.8-9.25---
02:3053.18341.9-8.94---
02:2952.34343.8-8.99---
02:2852.10346.1-9.07---
02:2751.31344.1-9.15---
02:2651.07345.5-9.03---
02:2551.28347.3-8.80---
02:2450.37343.2-9.27---
02:2350.29343.6-9.22---
02:2249.80342.4-9.30---
02:2148.92341.0-8.81---
02:2048.91342.6-7.70---
02:1949.31341.9-7.93---
02:1852.69343.0-5.75---
02:1755.15342.2-5.97---
02:1654.57344.3-5.72---
02:1553.89343.8-6.25---
02:1453.53342.9-5.72---
02:1354.04344.3-5.22---
02:1254.09344.7-5.70---
02:1153.56343.8-5.93---
02:1053.23344.5-6.27---
02:0954.12343.3-6.26---
02:0853.35341.9-6.81---
02:0751.98341.2-6.92---
02:0650.43341.4-6.34---
02:0550.14340.1-6.46---
02:0449.91340.4-6.86---
02:0350.05344.6-7.04---
02:0251.54344.80.41---
02:0149.94343.06.46---
02:0049.91342.35.83---
01:5949.89343.15.82---
01:5851.44342.25.38---
01:5748.95339.66.16---
01:5647.84340.52.51---
01:5546.68339.32.40---
01:5447.12335.21.87---
01:5347.02336.31.35---
01:5246.98336.11.67---
01:5146.51334.90.81---
01:5047.01336.70.42---
01:4946.34343.23.72---
01:4845.70341.02.92---
01:4745.11339.43.52---
01:4645.36339.63.96---
01:4544.95339.84.34---
01:4444.77341.74.66---
01:4344.74342.54.45---
01:4244.27345.14.84---
01:4144.80350.04.38---
01:4044.55351.24.00---
01:3944.99352.43.94---
01:3844.62340.8-1.96---
01:3745.70342.8-2.98---
01:3646.56341.1-2.81---
01:3545.71340.8-3.31---
01:3445.94338.5-2.88---
01:3345.73337.7-2.04---
01:3245.00334.8-3.69---
01:3145.19336.8-4.07---
01:3045.55337.5-1.37---
01:2946.69343.40.13---
01:2847.76341.2-0.13---
01:2745.81336.7-1.35---
01:2645.24334.4-2.63---
01:2545.79337.4-2.84---
01:2446.08337.4-2.57---
01:2343.78335.5-2.84---
01:2245.02337.1-2.68---
01:2144.33335.1-2.85---
01:2044.89332.4-3.34---
01:1944.46333.9-4.40---
01:1846.02330.1-4.08---
01:1744.34328.3-0.77---
01:1644.48325.41.17---
01:1545.74324.5-1.56---
01:1443.21323.5-3.68---
01:1344.61322.9-3.71---
01:1245.69319.6-1.68---
01:1145.84317.4-2.31---
01:1046.07317.5-2.80---
01:0945.55317.9-2.88---
01:0845.75318.2-2.49---
01:0745.36318.3-2.56---
01:0645.57318.1-2.26---
01:0543.97316.9-2.26---
01:0443.83317.2-2.61---
01:0343.33317.9-3.03---
01:0243.77318.7-3.13---
01:0143.58319.8-2.86---
01:0043.97319.4-2.84---
00:5944.69318.7-2.28---
00:5845.04319.6-2.01---
00:5745.22319.2-2.26---
00:5645.15319.1-2.59---
00:5545.24319.6-3.08---
00:5444.90319.6-3.29---
00:5344.65319.5-3.54---
00:5244.61319.5-3.65---
00:5145.37319.9-3.58---
00:5045.45323.6-4.09---
00:4943.54329.4-4.92---
Built 2018-04-20 02:49 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-13.26.5-4.1
velocity [km/s]334.9347.8341.9
density [cm-3]40.655.149.6
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)946199
Masi (MAS)925191
Kilpisjärvi (KIL)865200
Ivalo (IVA)494183
Muonio (MUO)464166
Sodankylä (SOD)274125
Pello (PEL)324105
Oulujärvi (OUJ)29355
Mekrijärvi (MEK)25225
Hankasalmi (HAN)27224
Nurmijärvi (NUR)31222
Tartu (TAR)27219
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2018-04-20 02:47 from source

Log time
(UTC)
1h estimate 4h estimate USAF kp
kp predicted time kp predicted time
02:454.672018-04-20 03:455.332018-04-20 06:450.67
02:30?0.67
02:15?0.67
02:00?0.67
01:451.002018-04-20 02:450.002018-04-20 05:450.67
01:300.332018-04-20 02:300.002018-04-20 05:300.67
01:150.002018-04-20 02:150.002018-04-20 05:150.67
01:000.002018-04-20 02:000.002018-04-20 05:000.67
00:450.002018-04-20 01:450.002018-04-20 04:450.67
00:300.332018-04-20 01:300.002018-04-20 04:300.67
00:150.002018-04-20 01:150.002018-04-20 04:150.67
00:000.332018-04-20 01:000.002018-04-20 04:000.67
23:450.002018-04-20 00:450.002018-04-20 03:450.67
23:30?0.67
23:15?0.67
23:00?0.67
22:45?0.67
22:30?0.67
22:15?0.67
22:00?0.67
Built 2018-04-20 02:47 from source
Issue Time: 2018-04-20 00:33 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018-04-20 00:32 UTC
Valid To: 2018-04-20 09:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2018-04-19 18:16 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2766
Begin Time: 2018-04-10 18:30 UTC
Yesterday Maximum 2MeV Flux: 3739 pfu

Issue Time: 2018-04-18 14:30 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2765
Begin Time: 2018-04-10 18:30 UTC
Yesterday Maximum 2MeV Flux: 4586 pfu

Issue Time: 2018-04-17 13:23 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2764
Begin Time: 2018-04-10 18:30 UTC
Yesterday Maximum 2MeV Flux: 4590 pfu

Built 2018-04-20 00:37 from source