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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
01:47------
01:46------
01:451.30511.0-0.56---
01:441.35516.41.22---
01:431.35510.62.39---
01:421.26500.10.62---
01:411.29503.21.36---
01:401.29506.31.92---
01:391.39511.12.39---
01:381.47518.02.68---
01:371.34516.51.95---
01:361.36510.32.19---
01:351.32501.12.25---
01:341.31498.32.21---
01:331.38512.12.65---
01:321.41514.23.33---
01:311.45511.03.14---
01:301.45513.02.96---
01:291.44515.52.01---
01:281.46516.42.11---
01:271.43517.23.011.4517.23.0
01:261.35517.02.461.3517.02.5
01:251.36516.23.061.4516.23.1
01:241.52524.24.271.5524.24.3
01:231.58518.04.601.6518.04.6
01:221.50521.94.171.5521.94.2
01:211.28517.33.931.3517.33.9
01:201.44517.22.681.4517.22.7
01:191.26509.82.711.3509.82.7
01:181.45522.82.971.5522.83.0
01:171.42521.42.981.4521.43.0
01:161.52522.62.361.5522.62.4
01:151.39514.21.681.4514.21.7
01:141.41512.92.291.4512.92.3
01:131.55516.83.181.6516.83.2
01:121.59518.23.211.6518.23.2
01:111.46517.53.321.5517.53.3
01:101.31514.43.661.3514.43.7
01:091.36513.13.111.4513.13.1
01:081.39513.12.451.4513.12.4
01:071.57517.71.441.6517.71.4
01:061.30513.01.861.3513.01.9
01:051.36514.91.711.4514.91.7
01:041.69520.53.401.7520.53.4
01:031.49521.03.731.5521.03.7
01:021.57505.9-0.231.6505.9-0.2
01:011.71502.3-1.451.7502.3-1.5
01:001.67502.5-0.951.7502.5-1.0
00:591.67500.5-0.521.7500.5-0.5
00:581.63499.00.231.6499.00.2
00:571.65498.60.761.7498.60.8
00:561.72498.40.721.7498.40.7
00:551.68497.90.731.7497.90.7
00:541.65498.00.821.7498.00.8
00:531.58498.60.721.6498.60.7
00:521.58499.40.521.6499.40.5
00:511.53500.60.501.5500.60.5
00:501.69506.00.541.7506.00.5
00:491.70511.6-0.251.7511.6-0.2
00:481.76512.1-1.341.8512.1-1.3
00:471.64516.6-1.131.6516.6-1.1
00:461.64498.2-2.051.6498.2-2.1
00:451.52502.5-4.741.5502.5-4.7
00:441.61505.3-4.631.6505.3-4.6
00:431.82501.1-4.771.8501.1-4.8
00:421.94492.4-3.951.9492.4-3.9
00:412.05484.6-4.552.1484.6-4.5
00:402.14486.1-3.752.1486.1-3.8
00:392.06488.5-4.252.1488.5-4.2
00:381.96483.7-4.912.0483.7-4.9
00:371.96486.8-4.742.0486.8-4.7
00:361.80490.9-4.651.8490.9-4.6
00:351.77505.3-4.911.8505.3-4.9
00:342.08502.8-5.362.1502.8-5.4
00:331.76501.1-5.291.8501.1-5.3
00:322.00466.3-4.532.0466.3-4.5
00:311.81466.9-1.091.8466.9-1.1
00:301.89477.1-3.331.9477.1-3.3
00:291.66502.9-4.861.7502.9-4.9
00:281.79519.3-5.171.8519.3-5.2
00:271.85494.8-5.321.8494.8-5.3
00:261.79479.8-3.921.8479.8-3.9
00:251.66487.6-4.211.7487.6-4.2
00:241.61494.7-4.711.6494.7-4.7
00:231.68495.0-5.161.7495.0-5.2
00:221.59503.7-5.591.6503.7-5.6
00:211.56502.3-5.751.6502.3-5.7
00:201.52497.7-5.231.5497.7-5.2
00:191.75496.6-5.291.8496.6-5.3
00:181.98482.6-5.052.0482.6-5.1
00:171.89516.5-5.251.9516.5-5.2
00:161.98516.0-5.152.0516.0-5.2
00:151.86515.3-5.131.9515.3-5.1
00:141.87512.8-5.291.9512.8-5.3
00:131.69512.6-5.621.7512.6-5.6
00:121.68510.0-5.591.7510.0-5.6
00:111.80512.1-5.771.8512.1-5.8
00:101.92520.4-5.451.9520.4-5.4
00:092.10524.4-5.152.1524.4-5.2
00:082.24521.2-4.822.2521.2-4.8
00:072.17518.0-5.162.2518.0-5.2
00:062.02517.6-5.372.0517.6-5.4
00:052.05516.6-5.462.1516.6-5.5
00:042.00515.1-5.562.0515.1-5.6
00:031.76510.5-5.511.8510.5-5.5
00:021.87517.8-5.151.9517.8-5.1
00:012.18509.4-5.662.2509.4-5.7
00:001.20448.9-1.2448.9-
23:591.57476.9-4.771.6476.9-4.8
23:581.45492.5-5.271.4492.5-5.3
23:571.79485.9-5.511.8485.9-5.5
23:561.89482.8-5.901.9482.8-5.9
23:551.83483.4-5.891.8483.4-5.9
23:541.79478.6-5.861.8478.6-5.9
23:531.75474.4-5.611.8474.4-5.6
23:521.75475.0-5.641.8475.0-5.6
23:511.80480.0-5.651.8480.0-5.6
23:501.79486.8-6.031.8486.8-6.0
23:49---6.10---6.1
23:48---5.77---5.8
Built 2024-10-30 01:48 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-4.84.61.5
velocity [km/s]497.9524.2510.6
density [cm-3]1.31.81.5
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)2405268
Maasi (MAS)1896266
Kilpisjärvi (KIL)2135251
Ivalo (IVA)2074211
Muonio (MUO)2354248
Sodankylä (SOD)2264223
Pello (PEL)1784224
Oulujärvi (OUJ)122379
Mekrijärvi (MEK)24229
Hankasalmi (HAN)-232
Nurmijärvi (NUR)23228
Tartu (TAR)21221
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2024-10-30 01:47 from source
Issue Time: 2024-10-29 21:42 UTC
SUMMARY: Proton Event 10MeV Integral Flux exceeded 100pfu
Begin Time: 2024-10-27 08:35 UTC
Maximum Time: 2024-10-28 13:50 UTC
End Time: 2024-10-29 15:10 UTC
Maximum 10MeV Flux: 364 pfu
NOAA Scale: S2 - Moderate

Issue Time: 2024-10-29 21:42 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 584
Valid From: 2024-10-26 16:38 UTC
Now Valid Until: 2024-10-30 23:59 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S1 - Minor

Issue Time: 2024-10-29 20:46 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2024-10-29 20:34 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: 2024-10-29 20:18 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2024-10-29 20:18 UTC
Valid To: 2024-10-30 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.

Issue Time: 2024-10-28 22:30 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 583
Valid From: 2024-10-26 16:38 UTC
Now Valid Until: 2024-10-29 23:59 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S2 - Moderate

Issue Time: 2024-10-28 05:59 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2024-10-28 05:59 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: 2024-10-28 05:01 UTC
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2024-10-28 04:46 UTC
Deviation: 48 nT
Station: CNB

Issue Time: 2024-10-28 04:41 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2024-10-28 04:40 UTC
Valid To: 2024-10-28 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: 2024-10-28 04:28 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4738
Valid From: 2024-10-26 15:38 UTC
Now Valid Until: 2024-10-28 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: 2024-10-28 04:28 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2024-10-28 04:30 UTC
Valid To: 2024-10-28 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: 2024-10-28 04:24 UTC
WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2024-10-28 04:40 UTC
Valid To: 2024-10-28 05:40 UTC
IP Shock Passage Observed: 2024-10-28 04:15 UTC

Issue Time: 2024-10-27 23:55 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 582
Valid From: 2024-10-26 16:38 UTC
Now Valid Until: 2024-10-28 23:59 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S2 - Moderate

Issue Time: 2024-10-27 14:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4737
Valid From: 2024-10-26 15:38 UTC
Now Valid Until: 2024-10-28 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: 2024-10-27 12:20 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Oct 27: None (Below G1) Oct 28: G2 (Moderate) Oct 29: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: Upgraded 28 Oct to G2 and added G1 for 29 Oct.
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: 2024-10-27 09:02 UTC
ALERT: Proton Event 10MeV Integral Flux exceeded 100pfu
Begin Time: 2024-10-27 08:35 UTC
NOAA Scale: S2 - Moderate
Spacecraft - Infrequent single-event upsets to satellites are possible.
Radio - Small effects on polar HF (high frequency) propagation resulting in fades at lower frequencies.

Issue Time: 2024-10-27 05:55 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 581
Valid From: 2024-10-26 16:38 UTC
Now Valid Until: 2024-10-27 23:59 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S1 - Minor

Issue Time: 2024-10-27 02:04 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4736
Valid From: 2024-10-26 15:38 UTC
Now Valid Until: 2024-10-27 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.

Built 2024-10-30 01:19 from source