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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
10:03------
10:02------
10:01------0.3
10:007.73553.82.401.2545.5-0.7
09:598.59541.02.811.3545.6-0.6
09:588.92538.80.141.5543.5-0.5
09:578.95545.70.601.4545.8-0.2
09:569.00532.7-1.511.2551.10.5
09:558.90534.5-1.911.1550.80.5
09:548.93536.7-3.490.6563.32.4
09:538.67534.3-2.831.6541.21.8
09:528.79541.5-4.121.6541.20.1
09:518.86541.6-4.141.7542.4-1.2
09:508.43552.6-3.981.5548.5-0.9
09:498.85545.2-4.231.7548.0-0.6
09:488.74541.3-3.661.8547.5-1.1
09:479.00544.6-4.241.6545.2-1.0
09:469.20542.1-4.171.6546.0-0.4
09:458.99541.4-4.111.7546.6-0.1
09:448.54540.8-3.441.6548.4-1.0
09:438.90536.4-2.901.5549.10.0
09:428.77537.4-2.451.5546.40.5
09:416.79567.6-4.421.4544.40.5
09:408.80547.6-4.211.3545.90.9
09:398.98544.9-4.471.3548.30.6
09:389.03542.8-4.341.8546.3-1.0
09:378.86541.6-4.181.7544.9-0.7
09:368.81543.6-4.221.6547.7-0.9
09:358.63538.8-3.701.9545.4-1.1
09:349.08538.6-3.761.8546.2-1.2
09:338.67536.0-3.272.1549.6-2.1
09:328.59534.4-2.781.9546.4-2.4
09:318.46536.4-2.861.8544.7-1.8
09:308.58535.2-2.721.8546.5-1.0
09:298.55537.9-3.492.0549.8-1.1
09:288.59537.9-3.222.0551.6-1.1
09:278.60542.3-3.932.1552.0-1.4
09:268.50536.7-1.532.0553.2-1.0
09:258.14531.8-0.631.5556.00.2
09:248.57534.50.481.4557.51.3
09:238.37534.4-0.991.2556.11.7
09:227.55528.0-0.291.3561.63.6
09:217.84525.6-0.061.1559.93.8
09:207.71526.9-0.38--3.3
09:197.64527.8-1.331.3560.33.5
09:187.76529.3-2.141.4563.73.3
09:177.73527.6-1.931.5561.02.5
09:168.30533.1-2.251.6558.52.1
09:158.29526.9-2.501.6558.62.1
09:148.06531.5-2.261.6554.51.9
09:138.39537.8-3.251.8549.81.6
09:128.39538.4-3.301.8548.31.0
09:118.37536.8-2.311.7551.11.5
09:108.52535.8-2.191.7551.12.2
09:098.38536.3-2.561.8548.61.1
09:088.46535.6-2.601.7553.90.8
09:078.48536.2-2.651.6557.21.3
09:068.55535.5-2.351.7558.91.8
09:058.41535.0-1.951.7558.51.9
09:048.49535.7-2.241.7560.01.6
09:038.58534.0-1.841.7557.52.2
09:028.57536.8-1.401.7558.22.0
09:017.77530.8-0.971.6556.32.4
09:008.30536.8-0.791.6556.72.7
08:598.31537.8-1.17---
08:588.33537.9-1.33--3.8
08:578.39536.2-1.141.5557.72.9
08:568.29537.6-1.961.5558.52.7
08:558.23537.0-1.691.4561.41.8
08:548.38537.0-1.811.3560.92.9
08:538.26536.7-1.881.3558.21.7
08:528.21535.8-1.581.4556.71.2
08:518.21533.7-0.471.5552.91.5
08:508.38532.8-0.581.4552.91.5
08:498.35531.7-0.311.3563.92.5
08:487.82525.10.021.4560.13.1
08:477.81524.9-0.61--2.8
08:467.68526.3-0.821.5563.42.9
08:457.85525.4-0.751.4563.53.3
08:447.65526.6-0.751.3565.23.3
08:437.77525.5-0.361.3564.33.6
08:427.82525.5-0.111.3568.02.9
08:417.80523.3-0.851.2563.01.2
08:408.19523.4-1.061.3556.7-0.1
08:398.21530.6-1.041.5555.5-0.3
08:387.77526.0-1.471.7554.7-1.0
08:377.80523.8-0.951.8553.5-1.3
08:368.10534.2-0.711.7554.1-1.2
08:357.98528.9-0.601.8554.0-1.7
08:347.89520.5-0.961.9557.5-1.9
08:337.97515.6-1.262.0560.4-1.8
08:328.05523.6-1.261.8561.4-1.7
08:318.04523.9-1.391.7561.0-2.0
08:308.28528.9-1.721.9563.3-2.4
08:298.42534.0-1.692.0565.4-2.3
08:288.48533.3-1.652.1567.0-2.7
08:278.56535.6-1.312.1567.8-2.7
08:268.55536.8-1.131.8569.4-1.5
08:258.49536.6-0.771.7550.7-1.6
08:248.51533.8-0.431.6548.6-1.5
08:238.34532.3-0.211.6556.9-1.6
08:228.36531.50.161.6552.1-1.7
08:218.57531.50.511.5548.0-1.5
08:208.48532.90.491.4549.1-1.4
08:198.43532.70.821.6549.6-1.7
08:188.44533.70.991.9560.6-2.9
08:178.51535.20.082.1569.2-3.2
08:168.50537.40.662.2564.6-3.6
08:158.64537.30.18---3.7
08:148.54538.40.81---3.2
08:138.50538.21.062.1565.4-2.8
08:128.40538.30.132.3568.7-3.4
08:118.61538.6-1.432.1566.6-3.6
08:108.47538.9-1.251.2567.2-3.6
08:098.40539.0-1.141.0561.12.0
08:088.53538.0-1.311.2552.61.0
08:078.65538.4-1.171.3550.01.0
08:068.46538.1-0.721.3552.8-1.1
08:058.50537.9-0.081.5558.1-0.9
08:048.33537.4-0.051.8558.8-3.0
Built 2020-10-25 10:04 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-4.50.5-2.6
velocity [km/s]525.6567.6537.3
density [cm-3]6.89.28.5
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)4415128
Masi (MAS)4216131
Kilpisjärvi (KIL)3716125
Ivalo (IVA)2814114
Muonio (MUO)2313113
Sodankylä (SOD)2012109
Pello (PEL)1611100
Oulujärvi (OUJ)14969
Mekrijärvi (MEK)10647
Hankasalmi (HAN)10645
Nurmijärvi (NUR)12746
Tartu (TAR)11634
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2020-10-25 10:02 from source

Issue Time: 2020-10-24 08:45 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3777
Valid From: 2020-10-23 19:30 UTC
Now Valid Until: 2020-10-24 15:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2020-10-23 20:55 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-10-23 20:55 UTC
Valid To: 2020-10-24 06:00 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

Issue Time: 2020-10-23 20:54 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-10-23 20:54 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2020-10-23 19:29 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-10-23 19:30 UTC
Valid To: 2020-10-24 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.

Built 2020-10-25 08:51 from source