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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
06:17------
06:16------
06:15------
06:149.03555.71.96---
06:139.46541.31.81---
06:129.67540.31.54---
06:119.59539.91.64---
06:109.41540.31.45---
06:099.49540.51.46---
06:089.50539.21.13---
06:079.56544.50.940.3577.81.6
06:069.82541.20.860.3575.31.5
06:058.84551.51.240.4563.61.5
06:048.98545.90.880.3563.41.5
06:039.06545.50.850.4566.81.5
06:029.03545.40.900.4565.91.4
06:019.12548.11.130.4563.41.4
06:009.73547.11.490.4560.31.4
05:599.96549.01.950.3563.81.4
05:588.77546.41.440.3570.01.4
05:578.87546.91.150.4573.81.4
05:568.95546.91.250.4574.11.3
05:559.05547.71.290.4567.21.3
05:548.73545.71.500.4560.01.3
05:538.97545.51.870.4559.81.3
05:529.00545.61.940.3557.81.4
05:518.98544.81.870.3553.91.6
05:509.00553.01.700.4567.81.7
05:498.73554.91.730.3563.31.7
05:488.82547.21.940.4572.41.7
05:478.98546.82.090.3570.01.7
05:469.30547.21.980.4568.01.7
05:459.04547.22.110.4582.81.8
05:449.01547.01.900.3555.61.7
05:438.97547.21.860.3554.11.7
05:429.03547.01.850.4577.31.7
05:419.15547.11.910.3583.21.7
05:409.30547.81.750.3580.71.6
05:398.89548.21.920.3573.11.6
05:388.62545.31.89--1.7
05:378.92545.51.860.3559.31.7
05:369.13546.61.710.3559.71.7
05:359.63540.61.340.3564.81.6
05:349.70539.41.610.3557.91.7
05:339.65536.11.910.2544.01.6
05:329.68537.91.960.3562.21.6
05:319.62538.71.650.3566.01.6
05:309.84534.51.900.3569.21.7
05:299.63535.51.730.3569.31.8
05:289.70537.61.740.4568.41.7
05:279.64537.31.880.4566.91.7
05:269.78537.61.980.4564.31.7
05:258.32538.02.000.2547.31.7
05:2410.56544.81.930.2538.71.7
05:239.00540.91.850.4568.01.5
05:2210.12536.91.930.3566.91.4
05:219.07539.21.890.3562.01.8
05:208.89548.31.880.3565.51.8
05:199.28543.32.070.3567.61.8
05:189.10545.62.000.4581.31.8
05:178.96541.71.900.4564.11.8
05:169.77539.31.880.4565.21.8
05:159.69547.31.820.3570.91.8
05:149.06544.51.750.3572.51.8
05:139.04539.71.730.3574.31.8
05:129.14540.81.860.3566.62.0
05:118.77537.21.930.4554.91.9
05:108.75535.81.840.4549.31.8
05:099.00541.71.770.4548.91.9
05:089.19544.61.690.4550.21.7
05:079.19543.61.710.3552.22.1
05:069.19544.81.660.4553.12.1
05:059.03545.41.710.4557.72.2
05:049.45546.71.690.3549.82.5
05:039.12547.01.700.3549.82.0
05:029.15545.91.640.4554.92.0
05:019.07546.31.600.3565.21.8
05:009.18547.21.640.3568.31.8
04:599.10548.51.79--2.1
04:589.03548.41.700.3576.22.0
04:578.86549.61.800.3577.12.2
04:568.86544.61.630.3576.52.2
04:559.15546.91.700.3576.02.1
04:549.15546.51.680.3576.51.9
04:537.06578.01.900.3577.91.9
04:529.68548.11.920.3579.51.6
04:519.63547.81.940.3579.91.7
04:509.46548.02.000.3578.31.6
04:499.17547.61.870.3578.51.7
04:489.19548.81.830.3580.11.7
04:479.09550.11.820.3582.81.6
04:4610.09546.71.820.3579.31.6
04:459.66549.41.860.3573.71.7
04:449.76548.91.960.3571.71.8
04:438.60544.61.670.3576.81.8
04:428.49561.91.470.3574.01.8
04:419.93548.41.590.3574.71.8
04:409.68549.01.700.3573.11.9
04:399.41548.41.470.3572.51.8
04:389.16550.21.800.3574.61.9
04:379.22549.81.830.3576.61.9
04:369.62550.61.690.3576.41.9
04:359.42540.80.970.3574.21.9
04:349.73535.20.540.3575.01.8
04:339.96532.60.200.4574.91.8
04:329.96532.40.570.3575.61.8
04:319.93532.40.76--1.7
04:309.95533.70.810.4564.01.6
04:299.87534.00.930.4564.71.6
04:289.76537.71.150.3567.71.6
04:278.91541.01.530.3568.31.7
04:268.74542.21.440.4566.21.7
04:258.78545.51.560.4568.51.8
04:249.06544.21.260.4568.61.7
04:239.00550.91.600.4571.71.7
04:228.93549.01.820.3575.81.7
04:219.10549.61.710.3576.71.5
04:209.36554.11.730.3577.31.7
04:1910.13547.21.530.3577.21.7
04:189.85536.81.630.4579.61.7
Built 2022-09-28 06:18 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]0.82.11.7
velocity [km/s]534.5554.9543.8
density [cm-3]8.310.69.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)9572
Maasi (MAS)9675
Kilpisjärvi (KIL)11674
Ivalo (IVA)9554
Muonio (MUO)9656
Sodankylä (SOD)10647
Pello (PEL)7544
Oulujärvi (OUJ)7431
Mekrijärvi (MEK)6317
Hankasalmi (HAN)5424
Nurmijärvi (NUR)5521
Tartu (TAR)-317
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2022-09-28 06:17 from source
Issue Time: 2022-09-27 19:57 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 28: None (Below G1) Sep 29: None (Below G1) Sep 30: 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: 2022-09-27 11:00 UTC
ALERT: Type II Radio Emission
Begin Time: 2022-09-27 10:39 UTC
Estimated Velocity: 434 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

Issue Time: 2022-09-27 09:34 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1681
Valid From: 2022-09-27 01:22 UTC
Now Valid Until: 2022-09-27 18:00 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: 2022-09-27 09:34 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 463
Valid From: 2022-09-27 01:46 UTC
Now Valid Until: 2022-09-27 15:00 UTC
Warning Condition: Persistence
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: 2022-09-27 09:34 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4117
Valid From: 2022-09-26 22:10 UTC
Now Valid Until: 2022-09-27 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: 2022-09-27 02:18 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2022-09-27 02:13 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
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: 2022-09-27 02:18 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1680
Valid From: 2022-09-27 01:22 UTC
Now Valid Until: 2022-09-27 15:00 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: 2022-09-27 02:18 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 462
Valid From: 2022-09-27 01:46 UTC
Now Valid Until: 2022-09-27 12:00 UTC
Warning Condition: Persistence
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: 2022-09-27 02:18 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4116
Valid From: 2022-09-26 22:10 UTC
Now Valid Until: 2022-09-27 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: 2022-09-27 02:18 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2022-09-27 02:17 UTC
Valid To: 2022-09-27 09:00 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.

Issue Time: 2022-09-27 01:46 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2022-09-27 01:46 UTC
Valid To: 2022-09-27 06:00 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: 2022-09-27 01:32 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022-09-27 01:31 UTC
Synoptic Period: 0000-0300 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: 2022-09-27 01:23 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022-09-27 01:22 UTC
Valid To: 2022-09-27 06:00 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: 2022-09-27 01:17 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022-09-27 01:13 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: 2022-09-26 22:09 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022-09-26 22:10 UTC
Valid To: 2022-09-27 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: 2022-09-26 11:42 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3246
Begin Time: 2022-09-25 12:35 UTC
Yesterday Maximum 2MeV Flux: 2131 pfu

Issue Time: 2022-09-25 13:11 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2022-09-25 12:35 UTC
Station: GOES16


Built 2022-09-28 05:58 from source