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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
07:12------
07:11---2.4535.4-4.9
07:107.01517.5-2.8543.1-5.4
07:097.10502.9-9.022.7545.8-6.4
07:087.20500.8-8.853.5579.6-6.5
07:077.33513.4-9.113.8564.9-6.0
07:067.52515.6-8.592.2548.5-6.8
07:057.55514.6-8.832.0535.7-7.1
07:047.54513.5-8.662.1528.9-8.3
07:037.32513.3-8.592.2529.1-9.0
07:027.19513.0-8.852.2529.4-8.9
07:017.25510.6-8.272.3531.0-8.9
07:007.45507.7-8.252.7534.7-8.6
06:597.47508.5-8.762.3527.1-8.8
06:587.43510.2-8.452.3526.0-8.7
06:577.33509.1-8.692.1521.0-8.3
06:567.62509.3-8.412.2512.5-8.0
06:557.36510.6-8.962.3509.3-7.7
06:547.45509.7-8.352.2515.8-8.2
06:537.61510.2-8.121.7502.9-8.7
06:527.73508.9-8.032.0516.6-8.6
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
05:597.82510.2-7.17---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---
Built 2020-09-24 07:13 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-9.0-6.4-7.4
velocity [km/s]494.6510.9506.2
density [cm-3]7.38.57.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)8753155
Masi (MAS)9363162
Kilpisjärvi (KIL)9255175
Ivalo (IVA)-27158
Muonio (MUO)5237149
Sodankylä (SOD)3331122
Pello (PEL)3128112
Oulujärvi (OUJ)281564
Mekrijärvi (MEK)23936
Hankasalmi (HAN)241353
Nurmijärvi (NUR)261457
Tartu (TAR)231037
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2020-09-24 07:02 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