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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
06:55------
06:54---2.2515.8-8.2
06:53---1.7502.9-8.7
06:527.73508.9-2.0516.6-8.6
06:517.65508.6-8.122.0528.5-8.5
06:507.59509.2-8.152.1526.1-8.9
06:497.65509.9-8.262.3519.3-8.9
06:487.72505.9-7.622.8519.5-8.1
06:477.77507.0-7.542.9520.7-7.9
06:467.71508.1-7.782.8520.1-8.0
06:457.84507.3-7.732.3505.2-7.8
06:447.85509.2-7.661.7491.3-8.0
06:437.70509.4-7.422.4506.7-7.7
06:427.84507.2-7.423.0522.0-7.5
06:417.88506.6-7.342.8520.5-7.9
06:407.84506.1-7.172.7512.4-7.7
06:397.69507.4-7.173.3529.3-7.6
06:387.75506.3-7.113.1534.5-7.8
06:377.86503.7-6.923.4530.1-7.5
06:367.80500.6-6.812.5476.8-7.2
06:357.68494.6-6.683.6518.8-7.3
06:347.76503.6-6.953.4518.9-7.0
06:337.71504.5-6.893.5532.6-6.9
06:327.55503.4-7.083.4532.6-7.0
06:317.60503.0-7.103.3517.5-6.9
06:307.83499.9-6.683.1513.4-6.7
06:297.72503.7-7.182.9511.1-7.1
06:287.84503.8-7.142.8502.7-7.2
06:277.79504.6-6.94---7.2
06:267.69503.4-6.953.1511.0-7.0
06:257.65503.3-7.143.1510.4-7.0
06:247.78503.2-7.263.1507.6-6.9
06:237.59503.5-7.293.0508.4-6.8
06:227.64504.7-7.292.7510.1-7.2
06:217.69503.3-7.003.2511.1-7.2
06:207.85502.2-6.862.8510.7-7.0
06:197.79503.3-6.812.7510.8-7.0
06:187.73503.2-6.742.7511.7-7.3
06:177.78504.1-6.772.8512.9-7.3
06:167.93504.1-6.602.8511.4-7.2
06:158.00504.2-6.443.0510.8-7.0
06:148.10505.5-6.632.9488.7-6.8
06:138.53505.0-6.412.8486.3-6.9
06:127.65505.9-7.783.1513.5-6.8
06:117.62505.7-7.753.0514.1-6.9
06:107.48507.4-7.903.0513.0-6.8
06:097.36507.9-8.573.0516.3-6.9
06:087.33508.6-8.573.4510.7-6.9
06:077.31509.3-8.233.3516.0-6.5
06:067.45509.0-7.942.7518.7-7.8
06:057.60508.6-8.152.4521.6-7.8
06:047.69509.0-7.972.6519.4-7.9
06:037.69508.9-8.012.3521.6-8.1
06:027.53508.8-8.052.0520.1-8.3
06:017.87507.8-7.602.0520.9-8.4
06:007.81509.5-7.282.0519.7-8.2
05:597.82510.2-7.172.1518.4-8.3
05:587.94510.4-7.362.1518.7-8.0
05:577.89510.9-7.302.2517.8-8.1
05:567.97511.0-7.252.4517.5-7.8
05:557.91510.6-7.382.5523.4-7.5
05:547.80511.1-7.332.8531.2-7.2
05:538.42513.3-5.362.6528.0-7.3
05:528.51510.1-5.152.6527.9-7.4
05:518.58512.1-4.712.5526.7-7.3
05:508.51514.7-5.032.6527.3-7.1
05:498.30512.5-5.533.5524.4-6.9
05:488.35512.2-5.503.6519.1-4.6
05:478.35509.0-5.163.5528.7-3.3
05:468.34509.4-5.623.6528.7-3.7
05:458.21509.8-5.463.7529.8-3.8
05:448.08510.2-4.863.7528.3-4.0
05:437.96508.5-4.713.7530.6-4.2
05:427.97509.2-4.273.8533.3-4.1
05:418.20512.8-4.003.7532.3-4.1
05:408.07516.3-3.473.4532.0-4.4
05:397.73516.5-4.593.2533.6-5.0
05:387.78512.6-3.573.1530.9-5.6
05:377.78518.0-3.913.4520.4-5.8
05:368.02521.1-4.013.3517.7-5.5
05:357.93521.7-4.263.2521.2-5.6
05:348.20520.4-4.044.4547.4-5.7
05:338.43520.5-3.994.0538.3-4.8
05:328.35518.6-4.013.3527.1-4.8
05:318.71524.0-4.273.8534.3-4.8
05:308.87531.5-4.313.3527.9-5.2
05:298.08517.1-4.513.2525.5-4.7
05:287.52517.2-5.47---3.7
05:278.36515.6-3.623.6540.5-
05:268.01517.0-4.073.6540.5-3.8
05:257.45513.4-5.453.9546.3-4.3
05:247.41512.0-5.64---
05:237.83515.3-4.87---
05:227.84514.5-4.21---2.8
05:217.78513.2-4.21---1.9
05:208.44510.3-3.98---
05:198.81508.5-4.11---
05:188.61510.2-4.05---
05:178.74510.5-4.34---
05:168.83511.9-3.54---
05:158.76513.0-3.43---
05:148.81512.8-2.84---
05:139.47514.83.56---
05:129.60513.24.31---
05:119.42510.90.13---
05:109.48494.1-3.64---
05:099.76482.7-3.55---
05:089.70483.0-3.16---
05:079.80474.4-1.73---
05:0611.82470.0-2.28---
05:0513.43467.3-2.43---
05:0412.95468.9-3.35---
05:0312.85470.7-3.91---
05:0212.48473.3-4.49---
05:0112.50477.9-5.17---
05:0013.31480.4-5.05---
04:5913.02480.8-5.31---
04:5812.79478.8-4.55---
04:5712.83480.0-5.06---
04:5612.94482.0-5.97---
Built 2020-09-24 06:56 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-8.6-4.3-6.8
velocity [km/s]494.6514.7506.8
density [cm-3]7.38.67.9
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)9448205
Masi (MAS)10047220
Kilpisjärvi (KIL)11446216
Ivalo (IVA)-32167
Muonio (MUO)6333152
Sodankylä (SOD)4726136
Pello (PEL)4425133
Oulujärvi (OUJ)231685
Mekrijärvi (MEK)21769
Hankasalmi (HAN)231348
Nurmijärvi (NUR)261457
Tartu (TAR)231238
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2020-09-24 06:47 from source

Issue Time: 2020-09-24 02:57 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3757
Valid From: 2020-09-23 19:56 UTC
Now Valid Until: 2020-09-24 09:00 UTC
Warning Condition: Persisence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2020-09-23 21:28 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-09-23 21:00 UTC
Synoptic Period: 2100-2400 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: 2020-09-23 19:58 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-09-23 19:56 UTC
Valid To: 2020-09-24 03:00 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: 2020-09-23 12:53 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-09-23 12:42 UTC
Synoptic Period: 1200-1500 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: 2020-09-23 12:31 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-09-23 12:30 UTC
Valid To: 2020-09-23 18:00 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 2020-09-24 02:59 from source