Menüü
Peida seadedLast update:
Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
22:33------
22:32------
22:31------
22:302.38398.6-1.92---
22:293.08399.6-1.74---
22:282.57398.0-1.80---
22:272.56396.7-1.400.1400.2-1.3
22:263.39404.0-2.120.1404.2-1.6
22:253.43402.1-2.410.1398.7-1.5
22:243.17402.4-2.300.1403.1-1.8
22:233.41400.6-2.180.1391.7-2.0
22:222.85400.4-1.520.1394.4-1.9
22:213.07410.00.050.1384.9-1.9
22:203.82411.7-1.240.0394.1-1.7
22:194.25413.60.060.1385.9-2.5
22:184.01411.6-0.490.1393.7-2.7
22:173.69412.8-0.430.1386.9-2.6
22:164.20413.6-0.250.1391.2-2.0
22:153.87412.7-0.020.1396.6-1.4
22:143.57412.5-0.150.1396.8-1.3
22:133.92417.2-0.300.1399.9-0.7
22:123.55413.0-0.560.1401.4-0.9
22:113.74413.2-1.170.1397.8-1.2
22:104.15419.8-0.660.1395.5-1.2
22:093.58413.5-0.560.1392.0-0.7
22:083.74413.9-0.440.1398.8-1.8
22:073.31403.2-1.53---3.7
22:062.21391.7-1.350.1396.2-3.7
22:053.31405.2-1.870.2399.2-3.6
22:043.41403.9-2.290.1399.5-3.8
22:033.62410.0-2.280.2395.1-3.7
22:023.19401.8-2.570.2394.0-3.6
22:012.94399.1-2.56---
22:003.38402.5-2.55---
21:593.77409.2-3.09---
21:583.27403.7-2.780.1392.4-3.5
21:573.05401.4-1.810.1395.6-3.3
21:563.13401.5-1.720.1398.5-2.9
21:553.57406.4-2.280.1396.9-2.6
21:543.45403.4-1.100.1394.0-2.8
21:533.09401.2-2.000.1401.2-2.2
21:523.00397.5-2.320.1403.7-2.4
21:512.59398.5-2.530.1405.2-3.1
21:504.31405.3-2.680.1387.1-3.3
21:493.51400.1-2.760.1382.8-3.1
21:483.08402.2-2.880.1385.5-3.0
21:473.07402.0-3.060.1389.8-3.1
21:463.38404.1-2.940.1397.9-2.7
21:453.64404.7-2.860.1392.5-2.7
21:442.60394.1-2.390.2377.1-2.6
21:432.84403.2-2.700.3372.5-1.6
21:422.68403.3-2.520.2388.7-1.3
21:412.51402.2-1.960.1399.2-3.1
21:402.48400.6-1.280.1394.0-3.0
21:392.95405.1-1.820.1393.9-3.2
21:38---0.1382.7-3.2
21:372.57402.6-2.010.1390.4-3.1
21:362.50403.1-2.240.1386.2-2.9
21:352.91405.0-2.960.2398.9-2.7
21:342.72405.5-2.72---2.5
21:332.92404.3-2.540.2400.4-2.4
21:322.74403.0-2.400.2403.3-2.4
21:312.88402.0-2.490.2399.0-1.8
21:303.02406.5-2.810.2399.7-2.2
21:293.05403.6-2.640.2399.3-2.1
21:283.08402.5-2.690.2395.3-2.2
21:272.88406.1-2.900.2395.0-2.2
21:263.45410.5-3.170.2394.0-2.2
21:253.87414.2-2.630.2393.4-2.1
21:243.00408.4-1.210.4389.8-2.1
21:232.95408.6-1.160.5380.3-1.4
21:223.29408.9-1.470.1395.6-2.1
21:213.10405.8-1.800.1398.6-1.9
21:202.91406.1-1.630.1401.6-2.2
21:192.98406.7-1.800.1412.5-2.3
21:183.47414.1-1.980.1408.7-2.7
21:173.83415.1-2.300.1399.0-2.4
21:163.79414.5-2.930.1401.2-2.8
21:153.07410.1-3.360.1392.8-2.6
21:143.83416.6-3.310.2396.9-2.4
21:133.61407.5-3.500.1397.2-1.8
21:123.12415.8-3.730.1396.6-1.0
21:113.98415.9-3.860.2390.1-0.4
21:104.15416.3-3.840.3390.4-0.1
21:094.03416.0-3.840.3398.62.0
21:083.95416.5-3.870.1401.40.7
21:073.97415.3-3.920.1403.6-1.3
21:063.99416.7-3.910.1401.8-2.5
21:054.08420.9-3.290.1403.6-2.8
21:044.25425.8-3.190.1401.9-3.3
21:034.28425.4-3.430.1398.8-3.3
21:023.90412.5-2.750.1405.1-3.3
21:014.24414.8-2.120.1405.1-2.5
21:004.03413.4-2.370.1409.1-3.2
20:593.20408.3-1.92---3.5
20:583.96411.5-2.10---3.8
20:573.24409.9-2.13---
20:563.69417.1-2.12---
20:554.40422.9-2.93---
20:544.07420.7-3.11---
20:534.12421.6-3.33---
20:524.00413.6-2.88---
20:513.42406.8-2.45---
20:503.62408.9-2.53---
20:494.01417.8-1.83---
20:484.17417.6-2.10---
20:473.86415.9-2.15---
20:464.27417.5-2.27---
20:453.69413.1-2.39---
20:443.65412.6-2.46---
20:433.32412.8-2.22---
20:423.69408.5-2.63---
20:413.07405.3-2.62---
20:403.21406.5-3.35---
20:393.08405.7-3.09---
20:383.04406.9-3.30---
20:373.17407.8-3.26---
20:364.10412.5-1.57---
20:353.59412.5-2.60---
20:343.61413.8-2.44---
Built 2023-09-21 22:34 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.20.1-1.9
velocity [km/s]391.7419.8405.5
density [cm-3]2.24.33.3
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)19218327
Maasi (MAS)22619320
Kilpisjärvi (KIL)21616321
Ivalo (IVA)14010256
Muonio (MUO)1139280
Sodankylä (SOD)978238
Pello (PEL)827230
Oulujärvi (OUJ)315104
Mekrijärvi (MEK)12332
Hankasalmi (HAN)15337
Nurmijärvi (NUR)14437
Tartu (TAR)10328
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2023-09-21 22:32 from source
Issue Time: 2023-09-21 20:11 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 22: None (Below G1) Sep 23: G1 (Minor) Sep 24: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: 20 Sep CME shock and glancing influences coupled with negative polarity CH HSS influences
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: 2023-09-21 15:14 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3366
Begin Time: 2023-09-19 17:05 UTC
Yesterday Maximum 2MeV Flux: 2923 pfu

Issue Time: 2023-09-21 13:08 UTC
SUMMARY: X-ray Event exceeded M5
Begin Time: 2023-09-21 12:42 UTC
Maximum Time: 2023-09-21 12:54 UTC
End Time: 2023-09-21 13:02 UTC
X-ray Class: M8.7
Location: N09E24
NOAA Scale: R2 - Moderate
Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.

Issue Time: 2023-09-21 12:55 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2023-09-21 12:51 UTC
NOAA Scale: R2 - Moderate

Issue Time: 2023-09-21 01:41 UTC
ALERT: Type IV Radio Emission
Begin Time: 2023-09-20 20:25 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.

Issue Time: 2023-09-20 23:12 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2023-09-20 23:12 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: 2023-09-20 22:54 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2023-09-20 22:55 UTC
Valid To: 2023-09-21 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: 2023-09-20 15:00 UTC
ALERT: Type II Radio Emission
Begin Time: 2023-09-20 14:25 UTC
Estimated Velocity: 1054 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: 2023-09-20 14:53 UTC
SUMMARY: X-ray Event exceeded M5
Begin Time: 2023-09-20 14:11 UTC
Maximum Time: 2023-09-20 14:19 UTC
End Time: 2023-09-20 14:25 UTC
X-ray Class: M8.2
Optical Class: 2b
Location: N09E35
NOAA Scale: R2 - Moderate
Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.

Issue Time: 2023-09-20 14:20 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2023-09-20 14:17 UTC
NOAA Scale: R2 - Moderate

Issue Time: 2023-09-20 13:02 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3365
Begin Time: 2023-09-19 17:05 UTC
Yesterday Maximum 2MeV Flux: 2068 pfu

Issue Time: 2023-09-20 08:04 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4455
Valid From: 2023-09-18 01:30 UTC
Now Valid Until: 2023-09-20 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: 2023-09-19 23:11 UTC
ALERT: Type IV Radio Emission
Begin Time: 2023-09-19 22:37 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.

Issue Time: 2023-09-19 23:08 UTC
ALERT: Type II Radio Emission
Begin Time: 2023-09-19 22:36 UTC
Estimated Velocity: 680 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: 2023-09-19 17:22 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2023-09-19 17:05 UTC
Station: GOES-16


Issue Time: 2023-09-19 16:50 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-09-19 16:44 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: 2023-09-19 14:53 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4454
Valid From: 2023-09-18 01:30 UTC
Now Valid Until: 2023-09-20 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: 2023-09-19 14:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1811
Valid From: 2023-09-18 13:40 UTC
Now Valid Until: 2023-09-19 23:59 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: 2023-09-19 13:44 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-09-19 13:30 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: 2023-09-19 05:59 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-09-19 05:59 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G3 - Strong
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: 2023-09-19 04:33 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 493
Valid From: 2023-09-19 01:05 UTC
Now Valid Until: 2023-09-19 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: 2023-09-19 04:33 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1810
Valid From: 2023-09-18 13:40 UTC
Now Valid Until: 2023-09-19 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: 2023-09-19 04:33 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4453
Valid From: 2023-09-18 01:30 UTC
Now Valid Until: 2023-09-19 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: 2023-09-19 04:05 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2023-09-19 04:04 UTC
Valid To: 2023-09-19 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: 2023-09-19 03:36 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-09-19 03:29 UTC
Synoptic Period: 0300-0600 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: 2023-09-19 03:21 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-09-19 03:21 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: 2023-09-19 02:16 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-09-19 02:16 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: 2023-09-19 01:07 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2023-09-19 01:05 UTC
Valid To: 2023-09-19 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: 2023-09-19 01:07 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1809
Valid From: 2023-09-18 13:40 UTC
Now Valid Until: 2023-09-19 12:00 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: 2023-09-19 01:07 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4452
Valid From: 2023-09-18 01:30 UTC
Now Valid Until: 2023-09-19 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: 2023-09-19 00:59 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-09-19 00:58 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: 2023-09-18 23:44 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1808
Valid From: 2023-09-18 13:40 UTC
Now Valid Until: 2023-09-19 06:00 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: 2023-09-18 20:45 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-09-18 20:44 UTC
Synoptic Period: 1800-2100 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.

Built 2023-09-21 20:13 from source