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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
04:20------
04:19------
04:18---6.1332.11.2
04:178.98322.72.925.8332.21.4
04:169.59323.72.626.0333.91.5
04:159.08324.32.765.6334.21.4
04:149.30323.92.386.1333.91.5
04:139.22324.32.406.8333.41.5
04:129.26324.52.336.8337.91.5
04:119.26324.22.247.5339.91.6
04:109.36323.22.107.7337.81.5
04:099.50319.92.027.0335.91.6
04:089.69318.42.126.4335.01.7
04:078.97328.52.346.4335.11.3
04:068.95329.32.176.9336.41.5
04:059.02328.22.377.5338.51.7
04:049.94325.22.247.5339.91.8
04:039.81323.92.358.1339.01.7
04:029.63323.52.457.5337.71.7
04:019.84321.42.306.9337.81.7
04:009.24322.62.306.6338.31.6
03:599.06323.92.307.1337.31.5
03:588.97323.32.237.2336.91.5
03:579.33323.22.117.8338.01.6
03:5610.60320.92.066.2337.31.5
03:5510.39323.42.687.5338.41.5
03:5411.04323.92.148.1338.91.4
03:5311.33321.82.378.2339.31.5
03:528.78326.21.878.0338.71.5
03:518.02325.41.726.9338.51.6
03:508.50326.21.765.7338.51.7
03:498.42326.21.835.3337.41.6
03:488.02327.71.974.9335.81.6
03:478.03326.81.875.2335.71.4
03:467.92325.81.935.2336.41.6
03:457.93325.61.90---
03:447.88327.31.81---
03:437.90327.91.83---
03:427.96327.51.63---
03:417.96327.21.45---
03:408.12327.51.81---
03:398.14326.51.54---
03:387.62328.00.73---
03:377.43328.21.31---
03:367.71327.81.35---
03:357.70327.91.58---
03:347.78327.71.54---
03:337.82328.31.47---
03:327.48327.71.34---
03:318.23327.71.15---
03:307.45327.11.21---
03:297.46327.41.17---
03:287.70326.51.24---
03:277.73326.21.32---
03:267.42326.31.23---
03:257.27326.51.16---
03:248.70324.71.29---
03:238.51325.41.44---
03:229.16324.51.45---
03:219.20323.51.42---
03:208.62325.11.15---
03:199.64324.21.05---
03:189.43326.40.94---
03:179.08326.30.81---
03:169.88325.11.01---
03:159.25327.50.86---
03:149.88326.60.87---
03:139.03329.30.59--3.9
03:127.17330.2-1.24---
03:116.62332.0-1.23--1.5
03:106.98330.4-0.58---
03:097.07330.2-0.60---
03:087.17329.8-0.76---
03:077.31329.6-0.64---
03:067.33330.2-0.82---
03:057.42330.3-0.83---
03:047.45329.9-0.75---
03:037.52328.9-0.91---
03:027.68327.7-0.71---
03:017.28329.8-0.33---2.0
03:007.34327.8-0.16---
02:597.40330.70.00---
02:587.23330.90.13---
02:577.49332.00.24---
02:567.59333.50.19---
02:557.33336.6-0.25---
02:548.19333.50.24---
02:537.55334.70.66---
02:527.29333.20.37---
02:517.47330.00.55---
02:507.70334.20.01---
02:497.59334.80.22---
02:487.88335.00.03---
02:477.76334.9-0.02---
02:467.45335.60.10---
02:457.26332.90.01---
02:447.57336.20.02---
02:437.40339.3-0.02---
02:428.71333.2-0.04---
02:417.54335.90.13---
02:407.59336.5-0.08---
02:397.80336.6-0.17---
02:387.61338.8-0.15---
02:377.86339.4-0.06---
02:368.33337.9-0.03---
02:358.83332.8-0.01---
02:347.99336.0-0.03---
02:337.91336.7-0.08---
02:327.67335.00.02---
02:317.48333.10.20---
02:307.36330.40.20---
02:297.39331.10.20---
02:287.79330.20.11---
02:277.88330.00.17---
02:267.98330.70.10---
02:257.84331.60.06---
02:247.54332.2-0.14---
02:237.54335.2-0.25---
02:227.54336.10.07---
02:217.70334.6-0.05---
Built 2021-10-18 04:21 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-1.22.71.6
velocity [km/s]318.4330.2325.7
density [cm-3]7.211.38.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)124220
Maasi (MAS)127221
Kilpisjärvi (KIL)137222
Ivalo (IVA)118216
Muonio (MUO)159218
Sodankylä (SOD)113217
Pello (PEL)103217
Oulujärvi (OUJ)22114
Mekrijärvi (MEK)4110
Hankasalmi (HAN)7110
Nurmijärvi (NUR)9111
Tartu (TAR)7110
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2021-10-18 04:17 from source
Issue Time: 2021-10-18 03:00 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-10-18 02:59 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: 2021-10-18 02:51 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-10-18 02:50 UTC
Valid To: 2021-10-18 12:00 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: 2021-10-17 19:47 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-10-17 19:36 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: 2021-10-17 19:46 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-10-17 19:45 UTC
Valid To: 2021-10-17 23:59 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 2021-10-18 03:03 from source