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SeadedLast update:
Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
00:26------
00:25------
00:241.61494.7-4.71---
00:231.68495.0-5.16---
00:221.59503.7-5.59---
00:211.56502.3-5.75---
00:201.52497.7-5.23---
00:191.75496.6-5.29---
00:181.98482.6-5.05---
00:171.89516.5-5.25---
00:161.98516.0-5.15---
00:151.86515.3-5.13---
00:141.87512.8-5.29---
00:131.69512.6-5.62---
00:121.68510.0-5.59---
00:111.80512.1-5.77---
00:101.92520.4-5.45---
00:092.10524.4-5.15---
00:082.24521.2-4.82---
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
23:471.61486.3-5.861.6486.3-5.9
23:461.52479.0-5.371.5479.0-5.4
23:451.63478.9-5.681.6478.9-5.7
23:441.51476.4-5.681.5476.4-5.7
23:431.74480.3-5.661.7480.3-5.7
23:421.69468.2-5.621.7468.2-5.6
23:411.83465.3-3.991.8465.3-4.0
23:401.54470.0-2.851.5470.0-2.9
23:391.63467.6-3.601.6467.6-3.6
23:381.71466.8-3.541.7466.8-3.5
23:371.68467.3-3.721.7467.3-3.7
23:361.60469.7-3.751.6469.7-3.8
23:351.49473.8-4.241.5473.8-4.2
23:341.40485.8-4.551.4485.8-4.6
23:331.43483.9-5.031.4483.9-5.0
23:321.51477.6-4.931.5477.6-4.9
23:311.37478.0-4.891.4478.0-4.9
23:301.49483.2-4.871.5483.2-4.9
23:291.56485.0-5.161.6485.0-5.2
23:281.40484.7-5.361.4484.7-5.4
23:271.28484.8-5.331.3484.8-5.3
23:261.46482.9-4.911.5482.9-4.9
23:251.53482.4-4.841.5482.4-4.8
23:241.43484.2-5.131.4484.2-5.1
23:231.50480.2-5.141.5480.2-5.1
23:221.54478.9-4.791.5478.9-4.8
23:211.40483.7-4.921.4483.7-4.9
23:201.35485.0-4.831.4485.0-4.8
23:191.39482.8-4.801.4482.8-4.8
23:181.27486.8-4.781.3486.8-4.8
23:171.21491.9-4.791.2491.9-4.8
23:16---4.77---4.8
23:15---4.90---4.9
23:141.34490.9-5.081.3490.9-5.1
23:131.43484.1-4.831.4484.1-4.8
23:121.41488.1-5.031.4488.1-5.0
23:111.58489.4-5.301.6489.4-5.3
23:101.49477.7-5.021.5477.7-5.0
23:091.50477.0-3.761.5477.0-3.8
23:081.44479.5-3.931.4479.5-3.9
23:071.44477.4-3.921.4477.4-3.9
23:061.44475.7-3.631.4475.7-3.6
23:051.42475.0-3.491.4475.0-3.5
23:041.42477.3-3.491.4477.3-3.5
23:031.36483.3-3.531.4483.3-3.5
23:021.24486.9-3.641.2486.9-3.6
23:011.29484.4-3.611.3484.4-3.6
23:001.64475.8-3.751.6475.8-3.8
22:591.45476.5-4.251.4476.5-4.2
22:581.47478.9-4.181.5478.9-4.2
22:571.38482.5-4.241.4482.5-4.2
22:561.45489.6-4.881.4489.6-4.9
22:551.51486.9-5.251.5486.9-5.2
22:541.38486.9-5.401.4486.9-5.4
22:531.68492.2-5.931.7492.2-5.9
22:521.58491.3-5.931.6491.3-5.9
22:511.54492.8-5.971.5492.8-6.0
22:501.67492.6-5.851.7492.6-5.8
22:491.70490.5-5.751.7490.5-5.7
22:481.66489.1-5.981.7489.1-6.0
22:471.66488.8-6.021.7488.8-6.0
22:461.71488.1-5.711.7488.1-5.7
22:451.84483.0-5.681.8483.0-5.7
22:441.73476.7-2.091.7476.7-2.1
22:43---3.25---3.3
22:42---4.43---4.4
22:411.80474.2-4.251.8474.2-4.3
22:401.75475.4-3.971.7475.4-4.0
22:391.58482.4-4.311.6482.4-4.3
22:381.52485.3-4.501.5485.3-4.5
22:371.57479.3-4.431.6479.3-4.4
22:361.63475.4-4.901.6475.4-4.9
22:351.74475.9-2.591.7475.9-2.6
22:341.82474.6-3.181.8474.6-3.2
22:331.79465.2-2.641.8465.2-2.6
22:321.66457.2-1.871.7457.2-1.9
22:311.64457.4-2.021.6457.4-2.0
22:301.74463.9-1.611.7463.9-1.6
22:291.69473.4-1.901.7473.4-1.9
22:281.86459.9-1.751.9459.9-1.8
22:271.89467.4-2.491.9467.4-2.5
Built 2024-10-30 00:27 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-6.1-2.9-5.1
velocity [km/s]448.9524.4486.9
density [cm-3]1.22.21.6
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)138106636
Maasi (MAS)131124612
Kilpisjärvi (KIL)134117575
Ivalo (IVA)15783537
Muonio (MUO)167100636
Sodankylä (SOD)18586577
Pello (PEL)20083628
Oulujärvi (OUJ)7036573
Mekrijärvi (MEK)2218161
Hankasalmi (HAN)-13263
Nurmijärvi (NUR)1114149
Tartu (TAR)41178
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2024-10-30 00:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
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 2024-10-29 23:51 from source