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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
03:54------
03:53------
03:52---2.7311.71.1
03:512.77312.6-2.8312.61.0
03:502.87313.00.842.9313.00.8
03:492.73312.90.882.7312.90.9
03:482.58313.60.932.6313.60.9
03:472.61314.50.862.6314.50.9
03:462.64314.80.932.6314.80.9
03:452.83314.50.942.8314.50.9
03:442.69313.80.922.7313.80.9
03:432.59315.10.942.6315.10.9
03:422.51315.60.972.5315.61.0
03:412.57315.10.952.6315.10.9
03:402.86316.30.902.9316.30.9
03:392.43316.30.982.4316.31.0
03:382.75313.51.042.8313.51.0
03:372.70313.31.032.7313.31.0
03:362.63313.5-2.6313.5-
03:35--0.97--1.0
03:345.02324.70.905.0324.70.9
03:333.94318.81.043.9318.81.0
03:322.72311.20.972.7311.21.0
03:313.05312.00.943.1312.00.9
03:303.04312.70.943.0312.70.9
03:293.04314.81.033.0314.81.0
03:283.47323.21.073.5323.21.1
03:271.95310.51.032.0310.51.0
03:262.37313.61.052.4313.61.1
03:252.85312.91.082.9312.91.1
03:244.02321.41.014.0321.41.0
03:232.85313.81.012.8313.81.0
03:222.71311.81.022.7311.81.0
03:212.86311.41.012.9311.41.0
03:203.80318.00.943.8318.00.9
03:193.62315.41.003.6315.41.0
03:182.96311.11.043.0311.11.0
03:172.84311.11.102.8311.11.1
03:162.88311.91.082.9311.91.1
03:152.88314.81.132.9314.81.1
03:143.22318.21.143.2318.21.1
03:134.33325.01.004.3325.01.0
03:123.04311.50.983.0311.51.0
03:112.38312.80.922.4312.80.9
03:102.37311.20.922.4311.20.9
03:092.69312.70.922.7312.70.9
03:084.30325.30.894.3325.30.9
03:073.05314.40.933.1314.40.9
03:062.81311.61.022.8311.61.0
03:053.14311.21.023.1311.21.0
03:042.94310.80.952.9310.81.0
03:032.83310.20.932.8310.20.9
03:022.90309.80.932.9309.80.9
03:012.79311.40.992.8311.41.0
03:002.84312.00.942.8312.00.9
02:592.88313.40.922.9313.40.9
02:582.84313.81.052.8313.81.1
02:573.09313.11.093.1313.11.1
02:562.79314.01.072.8314.01.1
02:552.92313.51.072.9313.51.1
02:543.80316.11.063.8316.11.1
02:533.07313.91.103.1313.91.1
02:525.74327.11.055.7327.11.1
02:512.99315.31.003.0315.31.0
02:502.52316.31.192.5316.31.2
02:492.93316.91.072.9316.91.1
02:483.02315.11.013.0315.11.0
02:472.89315.20.952.9315.20.9
02:465.37320.60.955.4320.60.9
02:455.70321.00.905.7321.00.9
02:442.97314.50.813.0314.50.8
02:433.11313.20.873.1313.20.9
02:423.11316.60.683.1316.60.7
02:414.32321.90.654.3321.90.7
02:402.89312.00.612.9312.00.6
02:393.22314.90.653.2314.90.6
02:383.03312.80.733.0312.80.7
02:371.93322.80.741.9322.80.7
02:362.06319.80.742.1319.80.7
02:351.53318.40.831.5318.40.8
02:341.53321.00.821.5321.00.8
02:331.48323.10.741.5323.10.7
02:321.93323.20.811.9323.20.8
02:312.37323.61.272.4323.61.3
02:302.27324.01.652.3324.01.6
02:292.04323.81.612.0323.81.6
02:282.13321.11.262.1321.11.3
02:271.91321.21.231.9321.21.2
02:261.48321.71.131.5321.71.1
02:252.08324.61.142.1324.61.1
02:243.60333.31.123.6333.31.1
02:232.21321.41.302.2321.41.3
02:222.50318.71.372.5318.71.4
02:213.00319.61.473.0319.61.5
02:202.38319.31.472.4319.31.5
02:192.64320.51.502.6320.51.5
02:185.88332.21.545.9332.21.5
02:173.86324.91.583.9324.91.6
02:162.37319.21.392.4319.21.4
02:152.77320.21.492.8320.21.5
02:142.81321.21.392.8321.21.4
02:132.49321.21.472.5321.21.5
02:122.44319.91.612.4319.91.6
02:112.11319.21.572.1319.21.6
02:101.69322.91.521.7322.91.5
02:091.62322.61.531.6322.61.5
02:082.10324.51.612.1324.51.6
02:071.77323.21.641.8323.21.6
02:061.54326.01.621.5326.01.6
02:052.01322.81.582.0322.81.6
02:042.14324.51.572.1324.51.6
02:032.23322.31.592.2322.31.6
02:022.05323.41.562.1323.41.6
02:012.28322.81.572.3322.81.6
02:002.23323.41.562.2323.41.6
01:591.98324.51.602.0324.51.6
01:581.98324.21.642.0324.21.6
01:572.12324.01.682.1324.01.7
01:562.16324.61.692.2324.61.7
01:552.13324.61.712.1324.61.7
Built 2019-09-23 03:55 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]0.61.21.0
velocity [km/s]309.8327.1315.0
density [cm-3]1.95.73.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)3227
Masi (MAS)3231
Kilpisjärvi (KIL)3227
Ivalo (IVA)3219
Muonio (MUO)3219
Sodankylä (SOD)4215
Pello (PEL)3215
Oulujärvi (OUJ)3210
Mekrijärvi (MEK)317
Hankasalmi (HAN)-17
Nurmijärvi (NUR)218
Tartu (TAR)-16
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2019-09-23 03:47 from source

Issue Time: 2019-09-17 22:28 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3667
Valid From: 2019-09-17 17:40 UTC
Now Valid Until: 2019-09-18 03:00 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: 2019-09-17 22:26 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019-09-17 22:26 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: 2019-09-17 17:39 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019-09-17 17:40 UTC
Valid To: 2019-09-17 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: 2019-09-17 03:00 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019-09-17 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: 2019-09-17 02:43 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019-09-17 02:43 UTC
Valid To: 2019-09-17 09:00 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: 2019-09-16 03:05 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019-09-16 02:59 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: No
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2019-09-16 03:04 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019-09-16 02:59 UTC
Valid To: 2019-09-16 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: 2019-09-15 15:51 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2987
Begin Time: 2019-08-31 15:40 UTC
Yesterday Maximum 2MeV Flux: 3129 pfu

Built 2019-09-17 22:32 from source