aurorainfo.eu - be in the right place at the right time

Menu
SettingsLast update:
Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
20:43------
20:42------
20:41------
20:40------
20:39------
20:38------
20:37------
20:36------
20:35------
20:34------
20:33------
20:32------
20:31------
20:30------
20:29------
20:28-----1.2
20:27---1.6405.61.2
20:26---1.9415.71.4
20:25---1.8411.51.4
20:24---1.6405.91.2
20:23---1.6404.01.5
20:22---1.6405.42.3
20:21---1.7406.72.5
20:20---1.6406.02.3
20:19---1.7408.92.1
20:18---1.8414.21.9
20:17---1.7414.51.2
20:16---2.0416.61.4
20:15---1.8406.61.6
20:14---2.1418.01.4
20:13---1.7411.61.7
20:12---2.0414.82.1
20:11---1.7410.42.0
20:10---1.7413.02.0
20:09---1.8412.92.1
20:08---1.8414.12.3
20:07---1.3407.02.6
20:06---1.3406.42.7
20:05---1.8413.72.6
20:04---1.7410.92.3
20:03---1.3405.42.1
20:02---1.6404.62.1
20:01---2.1410.11.2
20:00---1.8406.10.8
19:59---0.9393.11.4
19:58---1.8406.81.4
19:57---1.8406.81.0
19:56---2.7418.81.4
19:55---1.2401.11.7
19:54---1.3404.80.2
19:53---1.7405.20.6
19:52---1.7404.61.1
19:51---1.6405.10.6
19:50---1.6403.00.9
19:49---1.7400.91.2
19:48---1.7401.51.1
19:47---1.7402.41.2
19:46---1.7403.01.1
19:45---1.6402.01.1
19:44---1.6403.51.0
19:43---1.7401.41.1
19:42---1.6403.51.1
19:41---1.7403.11.1
19:40---1.6401.01.1
19:39---1.6401.11.2
19:38---2.0403.71.2
19:37---1.6402.91.0
19:36---1.5405.51.5
19:35---1.6407.11.9
19:34---1.6407.21.6
19:33---1.7409.11.4
19:32---1.3408.21.8
19:31---1.1404.41.3
19:30---1.8410.21.4
19:29---1.7416.71.2
19:28---1.3417.70.6
19:27---0.6393.20.9
19:26---1.2406.01.0
19:25-----1.3
19:24-----1.4
19:23---0.6396.71.1
19:22---1.2401.71.2
19:21---1.5404.31.3
19:20---1.7405.51.3
19:19---1.5401.81.0
19:18---1.3397.91.0
19:17---1.4398.20.9
19:16---1.4400.41.0
19:15---1.6402.91.2
19:14---1.5401.81.1
19:13---1.5403.11.2
19:12---1.4403.41.2
19:11---1.4406.11.2
19:10---1.1408.51.1
19:09---1.7406.80.7
19:08---1.5403.72.0
19:07---1.6405.91.7
19:06---1.5406.51.5
19:05---1.5406.21.3
19:04---1.5406.71.3
19:03---1.6406.21.3
19:02---1.5405.31.2
19:01---1.4405.31.2
19:00---1.4405.11.1
18:59------
18:58------
18:57------
18:56------
18:55------
18:54------
18:53---1.0406.9-0.1
18:52------0.2
18:51-----0.2
18:50---0.9406.60.3
18:49---1.0411.10.1
18:48---1.0416.5-0.2
18:47---0.8412.1-0.4
18:46---0.6411.4-0.3
18:45---0.8412.2-0.3
18:44---1.1404.6-0.5
Built 2026-08-04 20:44 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]0.12.31.4
velocity [km/s]391.8406.5398.5
density [cm-3]1.22.01.4
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)313146
Maasi (MAS)253138
Kilpisjärvi (KIL)-3135
Ivalo (IVA)212106
Muonio (MUO)282106
Sodankylä (SOD)21292
Pello (PEL)20387
Oulujärvi (OUJ)11234
Mekrijärvi (MEK)8115
Hankasalmi (HAN)-224
Nurmijärvi (NUR)8222
Tartu (TAR)6218
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-08-04 20:32 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-08-04 08:10 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5397
Valid From: 2026-08-02 12:37 UTC
Now Valid Until: 2026-08-04 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: 2026-08-03 23:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5396
Valid From: 2026-08-02 12:37 UTC
Now Valid Until: 2026-08-04 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: 2026-08-03 20:03 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5395
Valid From: 2026-08-02 12:37 UTC
Now Valid Until: 2026-08-04 00:00 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: 2026-08-03 02:53 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2254
Valid From: 2026-08-02 14:27 UTC
Now Valid Until: 2026-08-03 15:00 UTC
Warning Condition: Persistence
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: 2026-08-03 02:53 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5394
Valid From: 2026-08-02 12:37 UTC
Now Valid Until: 2026-08-03 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: 2026-08-02 18:00 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-08-02 17:59 UTC
Synoptic Period: 1500-1800
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment
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: 2026-08-02 17:46 UTC
WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026-08-02 17:45 UTC
Valid To: 2026-08-02 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment
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: 2026-08-02 17:48 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5393
Valid From: 2026-08-02 12:37 UTC
Now Valid Until: 2026-08-03 12:00 UTC
Warning Condition: Persistence
This extends the previous warning.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-08-02 17:47 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2253
Valid From: 2026-08-02 14:27 UTC
Now Valid Until: 2026-08-03 03:00 UTC
Warning Condition: Persistence
This extends previous warning.
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: 2026-08-02 17:12 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-08-02 17:12 UTC
Synoptic Period: 1500-1800
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
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: 2026-08-02 16:34 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Aug 03: G1 (Minor) Aug 04: None (Below G1) Aug 05: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment
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: 2026-08-02 14:28 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-08-02 14:27 UTC
Valid To: 2026-08-02 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
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: 2026-08-02 13:42 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-08-02 13:42 UTC
Synoptic Period: 1200-1500
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-08-02 12:46 UTC
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2026-08-02 12:29 UTC
Deviation: 27 nT
Station: FRD
Comment

Issue Time: 2026-08-02 12:38 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-08-02 12:37 UTC
Valid To: 2026-08-03 03:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-08-02 11:40 UTC
WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2026-08-02 12:15 UTC
Valid To: 2026-08-02 13:15 UTC
Ip Shock: 2026-08-02 11:29
Comment

Built 2026-08-04 18:24 from source