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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
03:44------
03:430.47384.0----
03:421.03396.0----
03:410.88401.8----
03:401.52396.22.74---
03:391.89401.62.92---
03:381.22390.93.02---
03:372.05404.83.24---
03:361.33390.23.01---
03:351.24394.23.20---
03:341.28398.43.19---
03:331.34398.11.68---
03:321.22393.4-0.74---
03:311.01390.50.02---
03:300.94389.50.26---
03:290.68379.1-0.02---
03:280.89402.41.00---
03:270.88402.20.390.9402.20.4
03:260.81400.81.590.8400.81.6
03:250.92406.11.790.9406.11.8
03:240.59386.32.160.6386.32.2
03:230.96404.52.381.0404.52.4
03:221.03400.72.191.0400.72.2
03:211.19404.91.991.2404.92.0
03:201.10387.71.161.1387.71.2
03:191.43390.2-1.151.4390.2-1.1
03:181.55397.7-1.091.6397.7-1.1
03:171.29391.8-0.531.3391.8-0.5
03:161.26385.5-1.231.3385.5-1.2
03:151.33388.6-1.491.3388.6-1.5
03:141.38393.3-1.571.4393.3-1.6
03:131.62393.5-1.051.6393.5-1.1
03:121.11388.4-1.051.1388.4-1.0
03:111.12393.9-0.431.1393.9-0.4
03:101.26394.3-0.241.3394.3-0.2
03:091.46393.0-0.591.5393.0-0.6
03:081.16390.31.661.2390.31.7
03:071.09391.8-0.231.1391.8-0.2
03:061.16394.70.041.2394.70.0
03:051.12392.50.171.1392.50.2
03:041.62394.9-0.081.6394.9-0.1
03:031.76395.0-2.571.8395.0-2.6
03:021.86398.8-3.181.9398.8-3.2
03:011.47391.6-3.161.5391.6-3.2
03:001.19388.4-2.791.2388.4-2.8
02:591.32393.3-2.211.3393.3-2.2
02:581.25394.6-1.341.3394.6-1.3
02:571.10396.1-0.761.1396.1-0.8
02:560.95381.0-0.410.9381.0-0.4
02:551.00395.80.011.0395.80.0
02:540.98394.80.791.0394.80.8
02:530.72380.90.470.7380.90.5
02:521.10399.6-0.671.1399.6-0.7
02:511.21395.70.891.2395.70.9
02:501.18392.51.251.2392.51.2
02:490.84383.81.310.8383.81.3
02:481.13395.61.291.1395.61.3
02:471.27399.21.361.3399.21.4
02:460.89389.01.730.9389.01.7
02:450.76387.82.030.8387.82.0
02:440.99396.42.351.0396.42.4
02:431.07398.22.491.1398.22.5
02:420.90391.62.480.9391.62.5
02:410.87391.42.460.9391.42.5
02:401.18404.02.981.2404.03.0
02:391.17399.63.101.2399.63.1
02:381.11396.51.991.1396.52.0
02:370.92396.32.150.9396.32.1
02:361.18404.62.911.2404.62.9
02:351.16408.02.911.2408.02.9
02:341.09394.02.991.1394.03.0
02:331.08397.52.901.1397.52.9
02:321.49401.11.761.5401.11.8
02:311.49401.4-0.371.5401.4-0.4
02:300.95388.70.281.0388.70.3
02:290.97392.31.041.0392.31.0
02:281.22400.21.261.2400.21.3
02:271.14396.51.081.1396.51.1
02:261.15397.51.511.1397.51.5
02:251.27404.11.771.3404.11.8
02:241.08401.72.201.1401.72.2
02:230.30372.62.410.3372.62.4
02:221.14404.92.261.1404.92.3
02:211.14404.92.001.1404.92.0
02:201.22401.42.101.2401.42.1
02:191.37406.52.031.4406.52.0
02:181.15401.51.831.2401.51.8
02:171.36404.92.151.4404.92.2
02:161.41404.52.391.4404.52.4
02:150.89388.62.730.9388.62.7
02:140.90391.42.870.9391.42.9
02:131.22402.42.561.2402.42.6
02:121.33406.02.871.3406.02.9
02:110.58381.73.080.6381.73.1
02:100.72387.1-0.7387.1-
02:091.03397.73.371.0397.73.4
02:081.22395.93.301.2395.93.3
02:071.55390.33.071.6390.33.1
02:061.38392.22.681.4392.22.7
02:051.24395.92.621.2395.92.6
02:041.24393.92.421.2393.92.4
02:031.20398.12.431.2398.12.4
02:021.08398.22.601.1398.22.6
02:011.06398.82.681.1398.82.7
02:001.33392.50.771.3392.50.8
01:591.38392.5-0.561.4392.5-0.6
01:581.42390.3-1.121.4390.3-1.1
01:571.47389.8-0.911.5389.8-0.9
01:561.35393.2-0.971.3393.2-1.0
01:551.23394.6-0.821.2394.6-0.8
01:541.28393.70.081.3393.70.1
01:531.28394.3-0.111.3394.3-0.1
01:521.31394.8-0.241.3394.8-0.2
01:511.14394.1-0.451.1394.1-0.4
01:501.17395.2-0.241.2395.2-0.2
01:49--0.14--0.1
01:48---0.32---0.3
01:471.30394.4-0.471.3394.4-0.5
01:461.34393.6-0.021.3393.6-0.0
01:451.28392.9-0.311.3392.9-0.3
Built 2025-07-10 03:45 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.23.10.6
velocity [km/s]380.9408.0394.7
density [cm-3]0.61.91.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)16395
Maasi (MAS)17394
Kilpisjärvi (KIL)203100
Ivalo (IVA)13359
Muonio (MUO)18359
Sodankylä (SOD)16346
Pello (PEL)16344
Oulujärvi (OUJ)11224
Mekrijärvi (MEK)6212
Hankasalmi (HAN)7216
Nurmijärvi (NUR)6217
Tartu (TAR)5111
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2025-07-10 03:32 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2025-07-09 14:33 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-07-09 14:25 UTC
Station: GOES-19


Issue Time: 2025-07-08 06:03 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-07-08 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: 2025-07-08 05:43 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5026
Valid From: 2025-07-07 23:21 UTC
Now Valid Until: 2025-07-08 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: 2025-07-07 23:21 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-07-07 23:21 UTC
Valid To: 2025-07-08 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: 2025-07-07 05:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5024
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 2025-07-07 05:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2073
Valid From: 2025-07-06 23:20 UTC
Now Valid Until: 2025-07-07 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: 2025-07-07 01:51 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2025-07-07 01:50 UTC
Valid To: 2025-07-07 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: 2025-07-07 01:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-07 01:24 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: 2025-07-06 23:53 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-06 23:50 UTC
Synoptic Period: 2100-2400 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: 2025-07-06 23:41 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5023
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 2025-07-06 23:21 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-07-06 23:20 UTC
Valid To: 2025-07-07 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.

Built 2025-07-09 14:36 from source