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SeadedLast update:
Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
21:53------
21:52------
21:517.51516.3-0.6565.9-1.6
21:507.66534.5-0.360.5570.4-2.9
21:497.59531.8-0.160.5--2.2
21:487.64531.5-0.260.6571.2-1.6
21:477.53531.3-0.310.7561.2-2.6
21:468.42511.4-0.060.8559.2-2.1
21:458.14511.71.271.0559.2-1.8
21:447.69533.3-1.951.0561.0-1.1
21:437.90532.8-2.231.1554.7-1.5
21:427.77535.3-2.060.8549.1-0.7
21:417.75534.2-1.960.6551.3-2.2
21:407.81535.0-1.940.8549.5-1.9
21:397.69533.5-1.520.8541.2-1.6
21:387.78534.9-1.680.8542.8-1.4
21:377.90533.2-1.890.7552.0-1.3
21:367.79533.9-1.780.7554.7-1.5
21:357.79534.0-1.850.8553.5-1.6
21:347.93533.1-1.970.8555.7-1.3
21:337.83533.8-1.930.6552.5-1.5
21:327.71533.1-1.840.6557.4-2.2
21:317.94533.8-1.890.7554.5-1.8
21:307.82535.5-2.090.6556.8-1.9
21:297.92533.5-1.760.6559.2-1.9
21:287.84536.0-2.090.6562.6-2.1
21:277.85533.9-2.340.4563.0-2.3
21:267.95533.9-2.210.4559.1-2.5
21:257.44540.9-2.230.5556.4-2.3
21:247.45549.2-2.880.5559.2-2.1
21:237.64546.1-2.870.5562.8-2.1
21:227.75541.5-3.150.5561.3-2.2
21:217.10554.1-3.240.4560.9-2.5
21:207.42548.7-2.450.4561.4-2.6
21:197.94534.3-1.820.2579.4-3.0
21:187.74532.3-1.740.3569.1-3.4
21:177.80533.9-2.130.7574.7-2.9
21:167.96531.5-2.090.7574.9-2.5
21:157.98533.0-2.070.8574.9-2.0
21:147.73531.6-2.050.8578.7-1.6
21:137.70532.1-1.760.7583.3-1.5
21:127.65536.1-1.840.8586.6-1.5
21:117.33543.0-1.620.9589.7-1.6
21:107.49542.1-1.980.8584.8-1.6
21:097.13546.4-1.800.7579.2-2.0
21:087.28550.5-1.950.6576.0-2.1
21:077.33552.2-1.420.6570.7-2.2
21:067.10551.5-1.940.7574.6-2.1
21:057.93541.6-1.940.7573.5-2.0
21:047.44540.4-1.780.8578.7-1.7
21:037.23549.1-1.560.7579.8-1.7
21:027.46548.5-1.050.7574.6-1.9
21:017.20552.2-1.860.9574.3-1.7
21:007.94555.8-1.740.6564.4-2.2
20:597.85556.3-2.330.8575.5-2.0
20:587.63560.3-2.970.9574.2-1.8
20:577.70564.6-3.330.9577.6-2.0
20:567.95559.6-2.250.7577.1-2.1
20:558.12554.9-1.710.7576.2-1.9
20:548.12556.7-1.770.8574.7-2.0
20:538.00554.4-1.550.8568.0-2.3
20:527.98553.8-1.880.9564.3-2.9
20:517.92554.9-1.361.0569.9-2.3
20:507.55548.9-1.260.9572.1-1.5
20:497.36549.3-1.151.0572.9-1.0
20:487.28549.7-0.881.3579.3-0.9
20:477.98552.7-0.751.1573.3-1.3
20:468.00555.5-0.881.2577.7-0.7
20:458.26558.4-1.301.2578.8-1.1
20:448.10554.5-0.971.2587.5-1.5
20:437.87551.2-0.941.2588.50.4
20:427.71545.0-0.431.4591.90.2
20:418.25545.1-0.471.3594.80.0
20:407.21548.6-0.691.3599.8-0.0
20:397.14547.8-0.441.2599.9-0.3
20:387.41543.00.231.4594.40.4
20:377.61540.80.321.6589.40.4
20:367.30541.80.661.6585.50.4
20:357.96532.10.111.6577.90.2
20:347.66536.20.241.5568.80.0
20:337.81527.00.651.5564.71.1
20:327.61540.2-0.091.7571.11.1
20:317.61528.20.321.6570.21.4
20:307.47529.10.431.5564.21.1
20:297.36529.80.271.4564.70.8
20:287.44532.8-0.510.9575.72.3
20:277.72547.1-1.711.0577.43.2
20:267.49557.0-3.420.6579.73.5
20:257.15552.1-3.020.5582.2-3.0
20:248.03554.8-3.060.9566.0-3.6
20:237.06559.9-3.141.2558.5-2.0
20:227.48547.1-3.311.2559.3-0.7
20:217.38533.4-1.301.0561.9-0.4
20:207.19531.6-1.690.7566.2-2.0
20:197.13533.2-1.840.6567.5-2.7
20:187.29531.3-1.660.7567.1-2.7
20:177.23534.0-2.081.1555.5-1.9
20:167.23531.7-1.920.8563.7-2.3
20:157.17533.5-2.190.7564.8-2.2
20:147.54537.5-2.610.9559.5-2.0
20:137.27537.0-2.730.9557.9-2.2
20:127.31537.9-2.470.6567.7-2.3
20:117.45534.0-2.520.8562.6-2.8
20:106.93553.1-2.690.8561.3-2.7
20:097.14553.7-2.980.7567.9-3.0
20:087.09551.2-3.010.6573.6-2.8
20:077.24551.4-3.220.5574.8-3.0
20:067.32553.1-3.170.7566.5-3.0
20:057.27554.1-3.160.9557.5-2.4
20:047.59556.2-3.131.1554.7-2.0
20:037.97558.5-3.100.9560.4-2.2
20:027.41550.1-3.030.6571.9-2.5
20:017.21549.5-3.050.6568.7-3.1
20:007.68545.1-2.670.6572.7-3.0
19:597.95557.3-3.441.4549.0-2.7
19:587.42551.1-2.361.6550.6-1.3
19:577.57556.7-2.481.4548.1-1.4
19:567.57554.1-2.401.5548.2-1.3
19:557.29558.3-3.121.2551.9-1.6
19:548.01559.6-3.600.9561.2-2.2
Built 2020-09-26 21:54 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.3-0.4-1.9
velocity [km/s]531.5564.6544.1
density [cm-3]7.18.37.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)52145427
Masi (MAS)52044413
Kilpisjärvi (KIL)54638422
Ivalo (IVA)-29379
Muonio (MUO)53624398
Sodankylä (SOD)56217388
Pello (PEL)47115370
Oulujärvi (OUJ)1078214
Mekrijärvi (MEK)18559
Hankasalmi (HAN)28678
Nurmijärvi (NUR)36667
Tartu (TAR)43545
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2020-09-26 21:47 from source

Issue Time: 2020-09-26 17:38 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3764
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-27 09:00 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: 2020-09-26 17:38 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1559
Valid From: 2020-09-26 13:30 UTC
Now Valid Until: 2020-09-27 09:00 UTC
Warning Condition: Persistence
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: 2020-09-26 17:38 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Sep 27: G1 (Minor) Sep 28: G1 (Minor) Sep 29: G2 (Moderate)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

Issue Time: 2020-09-26 13:38 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-26 13:38 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
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: 2020-09-26 13:31 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-26 13:30 UTC
Valid To: 2020-09-26 18:00 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: 2020-09-26 13:16 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3057
Begin Time: 2020-09-24 15:40 UTC
Yesterday Maximum 2MeV Flux: 6990 pfu

Issue Time: 2020-09-26 11:07 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3763
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-26 18:00 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: 2020-09-26 05:17 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-26 05:16 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
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: 2020-09-26 04:57 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-26 04:55 UTC
Valid To: 2020-09-26 12:00 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: 2020-09-25 23:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3762
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-26 12:00 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: 2020-09-25 20:23 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 26: None (Below G1) Sep 27: None (Below G1) Sep 28: G1 (Minor)
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: 2020-09-25 17:59 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-25 17:59 UTC
Synoptic Period: 1500-1800 UTC

Active Warning: Yes
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: 2020-09-25 17:06 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-25 17:05 UTC
Valid To: 2020-09-25 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: 2020-09-25 14:34 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3761
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-25 23:59 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: 2020-09-25 10:41 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3056
Begin Time: 2020-09-24 15:40 UTC
Yesterday Maximum 2MeV Flux: 1232 pfu

Issue Time: 2020-09-25 08:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3760
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-25 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: 2020-09-25 06:01 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-09-25 05:59 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: 2020-09-25 04:26 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-09-25 04:25 UTC
Valid To: 2020-09-25 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: 2020-09-24 17:03 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020-09-24 15:40 UTC
Station: GOES-16


Issue Time: 2020-09-24 08:07 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2020-09-24 08:06 UTC
Valid To: 2020-09-24 12:00 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

Issue Time: 2020-09-24 07:47 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-24 07:41 UTC
Synoptic Period: 0600-0900 UTC

Active Warning: Yes
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: 2020-09-24 07:33 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-24 07:33 UTC
Valid To: 2020-09-24 15:00 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: 2020-09-24 07:22 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3758
Valid From: 2020-09-23 19:56 UTC
Now Valid Until: 2020-09-24 18:00 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: 2020-09-24 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.

Built 2020-09-26 17:40 from source