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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
11:54------
11:53------
11:52---2.0598.2-
11:518.20579.92.192.0600.7-0.0
11:509.42592.92.002.0599.40.5
11:498.70592.80.162.1599.50.5
11:488.63588.2-0.222.1-0.1
11:478.08586.3-0.481.9597.6-0.5
11:468.76578.81.351.9601.11.4
11:458.42585.91.282.0598.01.3
11:449.08582.61.031.9591.20.2
11:438.14584.00.481.9587.40.4
11:428.92596.0-0.442.0587.80.2
11:419.57588.5-0.622.0586.10.3
11:406.79604.4-0.501.9582.20.1
11:397.87592.7-0.741.9581.00.1
11:386.95574.9-2.062.0583.50.3
11:374.20561.5-0.951.8587.8-0.0
11:365.71570.2-1.231.8590.7-0.2
11:353.56560.8-0.991.7596.4-0.2
11:343.94563.9-0.991.6605.50.1
11:333.33600.4-1.141.7611.60.6
11:327.63578.3-0.651.8608.50.2
11:317.42578.9-0.691.8612.90.3
11:304.84573.8-1.111.8611.00.7
11:294.77560.5-0.681.9609.50.3
11:285.90567.8-0.491.8608.7-0.2
11:275.38572.9-0.911.9604.20.6
11:266.21568.1-1.082.2598.30.5
11:255.49567.1-0.582.3596.1-0.8
11:245.13573.3-1.042.3597.0-1.0
11:235.10562.6-0.772.2593.1-0.7
11:226.56568.3-0.892.2587.9-1.1
11:213.28560.0-0.742.5592.8-0.3
11:205.82584.1-0.542.3590.8-0.4
11:194.88561.9-0.612.2588.60.5
11:184.69562.8-0.742.0594.6-0.8
11:173.13562.3-0.602.4585.4-1.1
11:164.83573.7-0.631.6593.8-0.6
11:155.46566.6-0.621.6594.1-0.8
11:146.00572.7-0.562.3581.5-1.7
11:137.87572.5-0.112.4581.4-1.5
11:127.62575.00.022.3581.4-0.8
11:116.43562.8-0.242.4581.3-0.9
11:105.26558.5-0.402.5582.2-1.0
11:097.53579.5-0.162.4582.5-1.2
11:086.21570.6-0.112.5583.4-1.2
11:074.47558.2-0.192.5585.8-0.9
11:064.41553.2-0.172.4587.0-0.8
11:053.12589.3-0.382.3586.7-0.8
11:045.85568.9-0.592.4585.3-0.9
11:039.45581.8-0.552.4587.1-1.0
11:025.74563.4-0.672.4586.7-0.7
11:017.03580.4-0.642.4588.6-0.9
11:005.84565.7-0.792.2585.3-0.8
10:594.25561.1-0.782.3586.9-0.5
10:584.58560.7-0.752.4586.7-0.5
10:574.19554.6-0.762.3585.9-0.6
10:564.38559.6-0.502.3584.9-0.8
10:554.84601.1-0.292.1585.6-0.8
10:545.63585.3-0.732.2586.0-0.8
10:535.59565.7-0.902.3586.2-1.3
10:523.17569.4-0.762.3585.4-1.7
10:514.74568.2-0.522.3584.8-1.5
10:503.55583.30.232.2586.2-1.2
10:496.43582.90.782.3585.5-1.1
10:484.32559.40.392.2584.8-1.1
10:474.37558.40.152.3583.0-1.1
10:463.48591.8-0.412.2584.8-1.1
10:459.34587.3-0.952.3583.9-0.9
10:449.31594.1-0.532.3585.1-1.6
10:439.35594.1-0.702.3583.7-1.4
10:429.22594.3-1.982.3583.5-1.3
10:419.25591.2-1.092.3584.2-1.3
10:409.05589.9-0.992.3584.2-
10:399.08590.5-0.97---
10:389.23590.3-1.04---
10:379.15591.7-1.18---
10:369.11591.8-0.77---
10:359.10591.2-0.91---
10:349.07591.9-0.86---
10:339.03592.2-1.04---
10:329.11591.7-1.03---
10:319.23592.0-0.93---
10:309.27592.5-0.98---
10:299.23593.4-0.93---
10:289.13591.4-0.90---
10:279.09592.0-0.91---
10:269.28593.2-0.83---
10:259.29592.6-1.12---
10:249.29594.0-1.18---
10:239.22593.7-0.81---
10:229.28594.4-0.89---
10:219.34595.2-0.82---
10:209.35595.3-0.83---
10:199.28595.8-0.88---
10:189.27595.7-0.82---
10:179.26595.8-0.83---
10:169.27595.8-0.84---
10:159.19595.5-0.79---
10:149.12595.7-0.70---
10:139.23595.9-0.66---
10:129.15596.0-0.67---
10:119.17595.5-0.61---
10:109.06595.5-0.44---
10:099.20594.5-0.50---
10:087.11577.2-0.53---
10:074.41565.5-0.60---
10:065.23592.7-0.64---
10:055.20593.0-0.63---
10:045.13593.8-0.63---
10:035.12595.4-0.61---
10:025.14595.4-0.50---
10:015.15594.9-0.35---
10:005.09594.3-0.46---
09:595.13594.5-0.50---
09:585.08595.2-0.47---
09:575.02595.3-0.43---
09:565.02595.2-0.43---
09:555.08595.1-0.39---
Built 2018-02-18 11:55 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-2.10.8-0.6
velocity [km/s]553.2604.4573.1
density [cm-3]3.19.65.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)2618147
Masi (MAS)3116162
Kilpisjärvi (KIL)2420155
Ivalo (IVA)2115128
Muonio (MUO)2116134
Sodankylä (SOD)2114122
Pello (PEL)-13112
Oulujärvi (OUJ)131181
Mekrijärvi (MEK)10648
Hankasalmi (HAN)9754
Nurmijärvi (NUR)9853
Tartu (TAR)7738
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2018-02-18 11:47 from source

Log time
(UTC)
1h estimate 4h estimate USAF kp
kp predicted time kp predicted time
09:003.002018-02-18 10:003.002018-02-18 13:001.00
08:453.332018-02-18 09:453.332018-02-18 12:451.00
08:301.672018-02-18 09:302.332018-02-18 12:301.00
08:151.672018-02-18 09:152.332018-02-18 12:151.00
08:001.332018-02-18 09:002.332018-02-18 12:001.00
07:451.002018-02-18 08:452.002018-02-18 11:451.00
07:302.672018-02-18 08:303.332018-02-18 11:301.00
07:152.332018-02-18 08:153.002018-02-18 11:151.00
07:002.002018-02-18 08:002.672018-02-18 11:001.00
06:451.332018-02-18 07:452.332018-02-18 10:451.00
06:303.672018-02-18 07:304.002018-02-18 10:301.00
06:153.672018-02-18 07:154.002018-02-18 10:151.00
06:003.332018-02-18 07:004.002018-02-18 10:001.00
05:453.332018-02-18 06:454.002018-02-18 09:451.00
05:303.332018-02-18 06:304.002018-02-18 09:301.00
05:153.332018-02-18 06:154.002018-02-18 09:151.00
05:003.332018-02-18 06:004.002018-02-18 09:001.00
04:453.332018-02-18 05:454.002018-02-18 08:451.00
04:303.332018-02-18 05:303.672018-02-18 08:301.00
04:153.332018-02-18 05:153.672018-02-18 08:151.00
Built 2018-02-18 09:04 from source
Issue Time: 2018-02-18 01:27 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018-02-18 01:27 UTC
Synoptic Period: 0000-0300 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: 2018-02-18 01:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018-02-18 01:24 UTC
Valid To: 2018-02-18 15:00 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: 2018-02-17 05:25 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018-02-16 05:23 UTC
Synoptic Period: 0300-0600 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: 2018-02-17 05:18 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018-02-17 05:18 UTC
Valid To: 2018-02-17 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.

Issue Time: 2018-02-15 22:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3413
Valid From: 2018-02-15 13:35 UTC
Now Valid Until: 2018-02-16 06:00 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: 2018-02-15 17:16 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2018-02-15 17:15 UTC
Valid To: 2018-02-15 21:00 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: 2018-02-15 17:15 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018-02-15 17:11 UTC
Synoptic Period: 1500-1800 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: 2018-02-15 17:14 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3412
Valid From: 2018-02-15 13:35 UTC
Now Valid Until: 2018-02-15 23:00 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: 2018-02-15 13:34 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018-02-15 13:35 UTC
Valid To: 2018-02-15 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 2018-02-18 08:31 from source