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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
09:07------
09:06------
09:051.08367.8-1.75---
09:041.08395.6-1.57---
09:031.38368.4-1.78---
09:021.49379.6-1.89---
09:011.53378.4-2.35---
09:001.76386.6-2.58---
08:591.46376.5-3.04---
08:581.57376.1-3.04---
08:571.96380.3-3.35---
08:562.13381.7-3.43---
08:551.90378.7-3.90---
08:541.62372.6-3.53---
08:531.91379.0-3.45---
08:521.78379.2-3.84---
08:511.90373.0-4.06---
08:502.59381.3-4.30---
08:492.70369.6-3.91---
08:483.20375.2-2.673.2375.2-2.7
08:473.09381.4-2.043.1381.4-2.0
08:462.98377.1-2.513.0377.1-2.5
08:452.97376.2-3.063.0376.2-3.1
08:442.27373.2-3.782.3373.2-3.8
08:433.28383.0-3.783.3383.0-3.8
08:423.94381.4-2.933.9381.4-2.9
08:414.25368.2-1.434.2368.2-1.4
08:403.69365.8-1.343.7365.8-1.3
08:392.76372.5-0.192.8372.5-0.2
08:383.09366.7-0.403.1366.7-0.4
08:373.09366.7-2.053.1366.7-2.1
08:365.43366.8-1.905.4366.8-1.9
08:355.43366.3-3.825.4366.3-3.8
08:345.40362.5-4.655.4362.5-4.7
08:334.97366.2-3.935.0366.2-3.9
08:324.64366.3-3.144.6366.3-3.1
08:313.10354.2-2.703.1354.2-2.7
08:303.83365.0-2.653.8365.0-2.6
08:298.14397.1-3.228.1397.1-3.2
08:286.95377.4-2.106.9377.4-2.1
08:27107.37373.2-2.11107.4373.2-2.1
08:26106.52412.6-2.10106.5412.6-2.1
08:2534.02394.2-1.9834.0394.2-2.0
08:242.52345.9-2.742.5345.9-2.7
08:231.65348.3-1.181.7348.3-1.2
08:22104.75380.7-0.83104.8380.7-0.8
08:2178.89393.8-0.8378.9393.8-0.8
08:201.31341.6-2.071.3341.6-2.1
08:194.94479.7-1.784.9479.7-1.8
08:184.95480.4-1.514.9480.4-1.5
08:174.98492.8-0.985.0492.8-1.0
08:1636.09450.1-0.8736.1450.1-0.9
08:1536.61449.4-0.8236.6449.4-0.8
08:14---1.01---1.0
08:133.96338.5-1.544.0338.5-1.5
08:123.96338.5-1.984.0338.5-2.0
08:1111.89368.6-2.1511.9368.6-2.2
08:107.92376.9-1.997.9376.9-2.0
08:095.09372.9-2.045.1372.9-2.0
08:0817.43476.8-1.6217.4476.8-1.6
08:0717.43615.1-1.6917.4615.1-1.7
08:06---1.91---1.9
08:05---2.42---2.4
08:040.59348.2-2.260.6348.2-2.3
08:030.58353.7-2.800.6353.7-2.8
08:020.53392.7-3.060.5392.7-3.1
08:01-341.8-3.29-341.8-3.3
08:005.79490.1-3.335.8490.1-3.3
07:591.53362.3-3.081.5362.3-3.1
07:580.70384.0-3.350.7384.0-3.3
07:570.62390.0-2.930.6390.0-2.9
07:561.73348.5-2.351.7348.5-2.4
07:551.73365.1-3.271.7365.1-3.3
07:54-362.5-4.08-362.5-4.1
07:531.50357.4-2.651.5357.4-2.7
07:521.47360.0-2.361.5360.0-2.4
07:511.74352.8-1.861.7352.8-1.9
07:502.21342.2-1.852.2342.2-1.8
07:491.15368.6-1.861.1368.6-1.9
07:482.00375.3-2.142.0375.3-2.1
07:475.55419.9-2.245.6419.9-2.2
07:463.65521.8-2.243.6521.8-2.2
07:451.46360.4-1.911.5360.4-1.9
07:441.46--2.561.5--2.6
07:43---2.40---2.4
07:423.58359.7-0.973.6359.7-1.0
07:411.68354.4-0.901.7354.4-0.9
07:4032.94388.9-0.1532.9388.9-0.1
07:3916.25352.6-0.0516.2352.6-0.0
07:380.58324.0-0.310.6324.0-0.3
07:371.40333.4-0.131.4333.4-0.1
07:361.65351.0-0.121.6351.0-0.1
07:351.26354.1-0.391.3354.1-0.4
07:341.29348.4-1.011.3348.4-1.0
07:330.74358.7-1.530.7358.7-1.5
07:320.65355.0-1.760.7355.0-1.8
07:310.67355.8-2.290.7355.8-2.3
07:300.80360.7-2.630.8360.7-2.6
07:291.16343.1-2.531.2343.1-2.5
07:282.65340.8-2.382.7340.8-2.4
07:270.44326.2-3.210.4326.2-3.2
07:260.49318.7-1.390.5318.7-1.4
07:250.53317.71.150.5317.71.1
07:240.12333.1-1.650.1333.1-1.7
07:230.40341.32.410.4341.32.4
07:220.47340.84.140.5340.84.1
07:210.41328.50.270.4328.50.3
07:200.91324.9-1.300.9324.9-1.3
07:190.91341.2-2.500.9341.2-2.5
07:18-359.7-2.44-359.7-2.4
07:170.50349.9-2.570.5349.9-2.6
07:160.66318.0-3.060.7318.0-3.1
07:151.35346.0-0.671.3346.0-0.7
07:14-338.32.54-338.32.5
07:13--2.85--2.8
07:120.76313.02.790.8313.02.8
07:110.76313.02.740.8313.02.7
07:101.15348.82.731.1348.82.7
07:090.67367.92.540.7367.92.5
07:0840.50356.92.3140.5356.92.3
Built 2025-10-10 09:08 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-4.7-0.2-2.5
velocity [km/s]338.5615.1387.9
density [cm-3]0.578.97.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)27566
Maasi (MAS)27561
Kilpisjärvi (KIL)31658
Ivalo (IVA)23455
Muonio (MUO)-552
Sodankylä (SOD)18550
Pello (PEL)19546
Oulujärvi (OUJ)13436
Mekrijärvi (MEK)9325
Hankasalmi (HAN)11428
Nurmijärvi (NUR)10428
Tartu (TAR)8322
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2025-10-10 09:02 from source
Issue Time: 2025-10-10 06:46 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3541
Begin Time: 2025-10-01 13:25 UTC
Yesterday Maximum 2MeV Flux: 5051 pfu

Issue Time: 2025-10-10 03:02 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-10-10 02:59 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: 2025-10-10 01:49 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-10-10 01:48 UTC
Valid To: 2025-10-10 15:00 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: 2025-10-09 21:15 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Oct 10: None (Below G1) Oct 11: None (Below G1) Oct 12: 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: 2025-10-09 14:03 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3540
Begin Time: 2025-10-01 13:25 UTC
Yesterday Maximum 2MeV Flux: 4767 pfu

Issue Time: 2025-10-08 05:36 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3539
Begin Time: 2025-10-01 13:25 UTC
Yesterday Maximum 2MeV Flux: 10522 pfu

Issue Time: 2025-10-08 05:36 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-10-08 05:32 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: 2025-10-08 05:26 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-10-08 05:25 UTC
Valid To: 2025-10-08 18:00 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: 2025-10-08 04:08 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-10-08 04:08 UTC
Valid To: 2025-10-08 09:00 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: 2025-10-07 20:51 UTC
ALERT: Type II Radio Emission
Begin Time: 2025-10-07 20:07 UTC
Estimated Velocity: 755 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: 2025-10-07 13:47 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-10-07 13:43 UTC
Synoptic Period: 1200-1500 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: 2025-10-07 12:33 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-10-07 12:33 UTC
Valid To: 2025-10-07 23:59 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.

Built 2025-10-10 09:08 from source