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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
00:02------
00:01------
00:00------
23:59--1.06---
23:586.35524.7-0.17---
23:577.92520.1-1.47---
23:566.47528.0-1.27---
23:556.19531.0-1.66---
23:546.45526.7-1.78---
23:536.26529.5-1.67---
23:526.13529.5-1.93---
23:517.70522.0-1.99---
23:506.58531.1-2.35---
23:495.98529.0-2.04---4.5
23:488.74507.7-2.11---
23:478.82506.7-1.91---
23:468.78508.8-1.85---
23:457.33519.1-2.10---
23:446.41522.5-2.68---
23:436.23525.7-2.43---
23:426.71526.3-2.37---
23:416.31526.2-2.20---
23:406.44533.5-2.25---
23:396.56532.9-2.63---
23:386.57533.6-2.28---
23:376.55530.1-1.70---
23:366.65529.8-1.54---
23:356.62531.5-1.51---
23:346.60529.5-1.49---
23:336.45530.4-1.58---
23:328.34516.6-1.84---
23:317.74520.3-1.99---
23:306.61528.2-2.32---
23:296.62534.9-2.62---
23:287.43526.5-3.26---
23:278.96509.4-3.00---
23:269.06510.4-2.64---
23:259.42510.0-2.84---
23:249.17508.0-2.78---
23:239.05508.3-2.83---
23:229.15508.7-2.81---
23:219.12509.1-2.63---
23:209.01509.3-2.61---
23:198.94509.0-2.50---
23:189.11508.3-2.58---
23:178.95509.3-2.87---
23:169.19516.0-2.95---
23:156.59529.6-3.21---
23:146.72531.4-3.32---
23:136.62532.4-3.32---
23:126.65532.5-2.81---
23:116.62530.5-3.11---
23:106.73531.8-2.94---
23:096.75531.2-2.92---
23:086.63532.3-3.06---
23:076.45527.1-2.95---
23:066.14532.3-2.87---
23:058.66507.1-1.28---
23:048.46506.3-0.81---
23:038.59506.1-0.27---
23:028.56505.00.28---
23:018.46505.40.08---
23:008.43506.0-0.04---
22:598.41506.00.79---
22:588.50505.51.00---
22:578.46507.61.19---
22:568.37505.71.15---
22:558.25505.71.20---
22:548.51504.01.16---
22:538.45505.00.40---
22:528.54505.41.21---
22:518.49505.91.34---
22:508.82506.61.97---
22:498.83508.32.48---
22:488.96507.92.49---
22:478.86509.12.60---
22:468.94507.92.24---
22:459.18504.21.78---
22:449.04506.32.38---
22:439.02507.42.46---
22:428.67506.61.15---
22:416.62529.3-1.69---
22:409.09512.4-1.18---
22:399.12504.20.47---
22:389.17504.71.03---
22:379.04504.41.32---
22:369.04504.01.42---
22:359.11505.02.07---
22:348.95505.12.48---
22:338.93504.72.46---
22:329.07505.22.49---
22:318.99504.92.39---
22:308.97506.22.78---
22:298.93505.12.46---
22:288.91505.42.44--0.1
22:278.96505.72.62---
22:268.92506.52.71---
22:258.91507.62.95---
22:248.94506.12.87---
22:236.24533.82.59---
22:226.47534.70.49---
22:216.23532.21.52---
22:209.03507.02.30--1.3
22:198.67508.22.50---
22:189.02506.22.71---
22:177.84517.82.37---
22:166.38535.4-0.02---
22:156.43534.8-0.18---
22:146.47536.40.28---
22:136.50535.1-0.29---
22:126.32533.7-0.40---
22:118.48516.9-0.60---
22:107.56518.9-0.53---
22:098.09517.1-0.17---
22:086.44532.2-0.77---
22:076.44533.7-1.01---
22:069.04507.70.16---
22:058.94507.31.41---
22:049.02505.61.49---
22:036.54530.30.87---
Built 2020-10-28 00:03 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.31.2-2.0
velocity [km/s]505.0534.9520.5
density [cm-3]6.09.47.5
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)-34337
Masi (MAS)-31335
Kilpisjärvi (KIL)-30338
Ivalo (IVA)-19311
Muonio (MUO)-15347
Sodankylä (SOD)-12328
Pello (PEL)-11318
Oulujärvi (OUJ)-7181
Mekrijärvi (MEK)-344
Hankasalmi (HAN)-564
Nurmijärvi (NUR)-448
Tartu (TAR)-330
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2020-10-28 00:02 from source

Issue Time: 2020-10-27 09:01 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-10-27 08:59 UTC
Synoptic Period: 0600-0900 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: 2020-10-27 08:09 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-10-27 08:08 UTC
Valid To: 2020-10-27 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: 2020-10-27 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3071
Begin Time: 2020-10-25 13:20 UTC
Yesterday Maximum 2MeV Flux: 16463 pfu

Issue Time: 2020-10-26 14:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3780
Valid From: 2020-10-25 13:05 UTC
Now Valid Until: 2020-10-26 21:00 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: 2020-10-26 05:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3779
Valid From: 2020-10-25 13:05 UTC
Now Valid Until: 2020-10-26 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: 2020-10-26 05:13 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3070
Begin Time: 2020-10-25 13:20 UTC
Yesterday Maximum 2MeV Flux: 5669 pfu

Issue Time: 2020-10-25 16:38 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Oct 26: G1 (Minor) Oct 27: None (Below G1) Oct 28: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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: 2020-10-25 14:02 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020-10-25 13:20 UTC
Station: GOES16


Issue Time: 2020-10-25 13:26 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-10-25 13:25 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: 2020-10-25 13:05 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-10-25 13:05 UTC
Valid To: 2020-10-26 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.

Built 2020-10-28 00:03 from source