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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
16:20------
16:19------
16:18------
16:1711.05590.7-1.99---
16:1611.20584.8-1.61---
16:1511.25582.7-2.48---
16:1411.31581.7-2.51---
16:1311.37582.4-1.99---
16:1211.01590.8-2.04---
16:1110.94580.2-1.20---
16:1010.74580.50.47---
16:0910.89574.31.15---
16:0810.56582.70.19---
16:0710.44568.81.150.9622.9-0.1
16:0610.61569.60.620.8619.3-0.8
16:0510.34573.50.670.7617.4-0.2
16:0410.52584.2-0.500.7618.6-1.8
16:0311.12585.0-2.390.8617.4-1.7
16:0211.18576.6-0.670.8615.8-
16:0111.15581.5-2.18---
16:0011.26581.6-1.94---
15:5911.29583.8-2.56---
15:5811.04582.2-2.390.8615.3-1.6
15:5711.13582.5-1.920.9618.5-1.5
15:5611.07583.0-2.220.7624.3-1.4
15:5511.02582.2-2.430.7615.0-1.0
15:5411.14580.9-2.650.7613.6-0.7
15:5311.21581.9-2.470.7613.9-0.3
15:5211.03581.5-2.460.7616.7-0.7
15:5110.96582.5-2.020.6595.3-1.1
15:5011.07583.3-2.380.7604.9-0.9
15:4911.19582.1-2.680.9619.6-1.3
15:4811.07582.3-2.621.0620.1-1.5
15:4710.96582.0-2.840.9618.6-1.3
15:4611.12582.5-2.58---0.3
15:4510.62582.5-1.39---0.8
15:4411.53585.72.611.0625.2-0.7
15:4311.62585.82.980.9625.2-0.9
15:4211.42586.43.060.8620.0-1.2
15:4111.50586.32.770.7620.1-0.5
15:4011.39584.72.670.7621.4-0.2
15:3911.29586.32.640.7623.90.8
15:3811.46586.22.970.8621.60.2
15:3711.41586.13.060.8621.3-0.5
15:3611.30585.23.240.8621.1-0.3
15:3510.50567.02.480.7626.3-0.6
15:3410.37569.22.360.7622.4-0.8
15:3310.76568.62.830.7617.9-0.6
15:3210.72572.62.460.7617.7-0.6
15:3110.86568.22.880.7620.4-0.6
15:3011.32583.22.910.7622.0-0.5
15:2911.29585.13.010.7619.0-0.5
15:2810.64568.12.530.7618.5-0.5
15:2710.82566.21.960.7617.9-0.3
15:2610.75566.92.060.6623.80.2
15:2510.47568.02.000.7617.70.4
15:2410.31566.62.090.7617.90.4
15:2310.07562.71.680.7618.10.4
15:2210.64588.4-2.180.5598.90.7
15:2111.47597.2-3.870.6616.60.6
15:2011.14593.5-3.650.7622.60.3
15:1910.90595.7-3.610.7622.80.3
15:1811.19597.8-4.030.5605.30.1
15:1711.07597.4-4.040.6610.00.2
15:1611.18597.7-3.890.6611.40.3
15:1511.82590.0-3.700.6607.6-0.0
15:1410.95600.0-3.940.8619.20.1
15:1311.40602.6-3.750.7623.30.2
15:1211.25599.1-3.570.7622.90.3
15:1111.08597.2-3.790.7621.40.2
15:1011.12599.6-4.110.7619.60.3
15:0911.05600.1-4.230.5599.80.3
15:0811.09599.7-4.240.7624.30.4
15:0711.53597.8-3.870.8623.30.1
15:0611.43601.9-3.770.7623.30.4
15:0511.51597.8-4.390.5603.10.3
15:0411.15598.0-4.210.6615.50.3
15:0310.86597.1-3.350.7624.50.6
15:0211.00607.4-2.850.6611.30.2
15:0110.81608.4-4.160.6613.60.2
15:0010.90622.8-4.620.6625.90.5
14:5910.97619.5-4.160.7628.60.7
14:5810.74606.7-4.090.7626.30.8
14:5711.19609.9-4.760.7623.10.8
14:5611.13583.2-3.280.7622.60.6
14:5511.52586.42.320.7625.20.4
14:5411.11585.52.800.7626.00.2
14:5311.18582.02.600.7623.90.4
14:5211.57584.52.970.6604.6-0.1
14:5111.32585.02.980.7619.80.2
14:5011.20585.72.710.7628.50.1
14:4911.25586.32.850.7619.60.2
14:4811.39586.42.860.6602.70.3
14:4711.31586.12.920.7614.00.3
14:4611.34585.93.080.7621.5-
14:4511.60586.32.940.7622.20.3
14:4411.34584.82.770.7611.70.1
14:4311.39585.92.500.7609.90.1
14:4211.51586.52.490.8623.0-0.1
14:4111.35586.22.35---0.6
14:4011.16585.52.650.6600.4-0.5
14:3911.28586.22.520.6603.3-0.5
14:3811.51585.22.540.7619.3-0.3
14:3711.64583.33.080.7618.6-0.4
14:3610.26581.4-0.480.5599.6-0.4
14:3510.70581.20.140.6599.4-0.2
14:3410.88584.51.250.6612.10.0
14:3311.34586.32.350.6620.60.3
14:3211.44586.62.440.7624.50.6
14:3111.22585.92.410.7621.11.0
14:3010.14582.60.84---
14:2910.56583.31.270.8626.90.7
14:2811.45586.32.160.8632.80.7
14:2710.36583.82.120.8638.60.6
14:2611.33585.32.050.8635.60.7
14:2511.18585.22.270.9628.81.1
14:2411.21584.82.790.8623.30.1
14:2311.37584.72.280.8623.5-0.5
14:2211.50583.82.150.7625.3-0.2
14:2110.73581.41.500.8622.5-0.4
Built 2022-08-10 16:21 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-4.03.2-0.4
velocity [km/s]562.7602.6582.3
density [cm-3]10.111.811.0
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)9015213
Maasi (MAS)9915209
Kilpisjärvi (KIL)9614214
Ivalo (IVA)7811203
Muonio (MUO)8411205
Sodankylä (SOD)8011190
Pello (PEL)7911178
Oulujärvi (OUJ)-9103
Mekrijärvi (MEK)39647
Hankasalmi (HAN)41765
Nurmijärvi (NUR)43757
Tartu (TAR)31541
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2022-08-10 16:17 from source
Issue Time: 2022-08-10 05:07 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022-08-10 05:06 UTC
Valid To: 2022-08-10 12:00 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: 2022-08-10 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3217
Begin Time: 2022-08-08 16:45 UTC
Yesterday Maximum 2MeV Flux: 7177 pfu

Issue Time: 2022-08-09 14:05 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4066
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-09 23:59 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: 2022-08-09 08:22 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3216
Begin Time: 2022-08-08 16:45 UTC
Yesterday Maximum 2MeV Flux: 2522 pfu

Issue Time: 2022-08-09 04:01 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022-08-09 04:00 UTC
Valid To: 2022-08-09 12:00 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: 2022-08-09 04:00 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4065
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-09 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: 2022-08-08 17:40 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4064
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-09 06:00 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: 2022-08-08 17:11 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2022-08-08 16:45 UTC
Station: GOES16


Issue Time: 2022-08-08 08:39 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1656
Valid From: 2022-08-07 14:28 UTC
Now Valid Until: 2022-08-08 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: 2022-08-08 08:39 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4063
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-08 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: 2022-08-08 08:30 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022-08-08 08:28 UTC
Synoptic Period: 0600-0900 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: 2022-08-08 06:07 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022-08-08 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: 2022-08-08 01:35 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022-08-08 01:33 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: 2022-08-08 00:00 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2022-08-07 23:59 UTC
Synoptic Period: 2100-2400 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: 2022-08-07 23:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1655
Valid From: 2022-08-07 14:28 UTC
Now Valid Until: 2022-08-08 09:00 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: 2022-08-07 23:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4062
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-08 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: 2022-08-07 23:49 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2022-08-07 23:50 UTC
Valid To: 2022-08-08 03:00 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: 2022-08-07 22:24 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022-08-07 22:22 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: 2022-08-07 21:19 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Aug 08: G1 (Minor) Aug 09: None (Below G1) Aug 10: None (Below G1)
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: 2022-08-07 17:48 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4061
Valid From: 2022-08-07 07:52 UTC
Now Valid Until: 2022-08-08 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: 2022-08-07 17:48 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1654
Valid From: 2022-08-07 14:28 UTC
Now Valid Until: 2022-08-07 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: 2022-08-07 14:29 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022-08-07 14:28 UTC
Valid To: 2022-08-07 18:00 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: 2022-08-07 12:03 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022-08-07 12:00 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.

Built 2022-08-10 09:35 from source