Virmaliste jälgimine

SeadedLast update:

Time UTC	DSCOVR			ACE
	Solar Wind		GSM	Solar Wind		GSM
	Proton Density	Bulk Speed	Bz	Proton Density	Bulk Speed	Bz
04:42	-	-	-	-	-	-
04:41	2.15	674.6	-	-	-	-
04:40	2.06	702.8	-0.66	-	-	-
04:39	1.25	644.6	0.16	-	-	-
04:38	1.75	669.5	0.93	-	-	-
04:37	1.55	701.3	1.33	-	-	-
04:36	2.48	703.2	3.76	-	-	-
04:35	2.00	673.5	4.41	-	-	-
04:34	1.50	669.9	-1.17	-	-	-
04:33	1.70	688.2	-0.55	-	-	-
04:32	1.77	700.1	-0.46	-	-	-
04:31	1.54	683.9	-2.39	-	-	-
04:30	1.30	651.0	-2.87	-	-	-
04:29	1.81	691.3	-3.29	-	-	-
04:28	1.71	691.8	-1.26	-	-	-
04:27	1.84	690.8	-0.29	1.8	690.8	-0.3
04:26	1.18	641.6	-1.32	1.2	641.6	-1.3
04:25	2.11	688.1	1.78	2.1	688.1	1.8
04:24	1.96	680.2	1.36	2.0	680.2	1.4
04:23	1.99	702.5	2.41	2.0	702.5	2.4
04:22	1.69	665.1	1.43	1.7	665.1	1.4
04:21	1.30	664.3	1.50	1.3	664.3	1.5
04:20	1.19	667.8	0.89	1.2	667.8	0.9
04:19	1.75	722.8	0.81	1.7	722.8	0.8
04:18	1.69	703.5	3.46	1.7	703.5	3.5
04:17	1.67	693.4	3.34	1.7	693.4	3.3
04:16	1.62	693.3	1.88	1.6	693.3	1.9
04:15	1.52	690.8	3.12	1.5	690.8	3.1
04:14	1.54	704.0	3.39	1.5	704.0	3.4
04:13	1.48	691.8	3.29	1.5	691.8	3.3
04:12	1.65	697.0	0.11	1.7	697.0	0.1
04:11	1.98	692.8	1.41	2.0	692.8	1.4
04:10	2.06	694.8	0.50	2.1	694.8	0.5
04:09	1.00	651.0	0.38	1.0	651.0	0.4
04:08	2.04	690.3	-0.29	2.0	690.3	-0.3
04:07	2.05	725.8	-1.25	2.1	725.8	-1.3
04:06	1.95	728.7	-0.09	2.0	728.7	-0.1
04:05	2.08	748.2	0.84	2.1	748.2	0.8
04:04	2.09	757.0	1.56	2.1	757.0	1.6
04:03	1.87	759.0	1.39	1.9	759.0	1.4
04:02	1.73	747.6	0.70	1.7	747.6	0.7
04:01	1.86	742.2	1.21	1.9	742.2	1.2
04:00	2.02	748.3	-0.76	2.0	748.3	-0.8
03:59	2.48	696.7	-2.75	2.5	696.7	-2.7
03:58	1.85	690.1	-2.89	1.8	690.1	-2.9
03:57	1.88	695.7	-0.26	1.9	695.7	-0.3
03:56	1.16	643.5	0.76	1.2	643.5	0.8
03:55	2.07	681.3	0.26	2.1	681.3	0.3
03:54	2.04	685.0	-0.35	2.0	685.0	-0.4
03:53	1.64	675.1	-1.16	1.6	675.1	-1.2
03:52	1.11	663.8	-1.11	1.1	663.8	-1.1
03:51	2.23	687.6	-1.24	2.2	687.6	-1.2
03:50	1.77	700.8	-2.08	1.8	700.8	-2.1
03:49	2.01	695.9	-2.06	2.0	695.9	-2.1
03:48	1.46	664.6	-3.79	1.5	664.6	-3.8
03:47	1.11	650.3	-1.19	1.1	650.3	-1.2
03:46	2.34	714.2	-1.80	2.3	714.2	-1.8
03:45	2.57	730.2	-1.90	2.6	730.2	-1.9
03:44	2.33	733.8	-1.55	2.3	733.8	-1.6
03:43	1.59	710.7	-5.14	1.6	710.7	-5.1
03:42	1.25	685.5	-4.48	1.2	685.5	-4.5
03:41	0.24	631.7	-6.12	0.2	631.7	-6.1
03:40	0.77	669.9	-7.58	0.8	669.9	-7.6
03:39	1.37	700.9	-6.10	1.4	700.9	-6.1
03:38	1.27	697.0	-4.63	1.3	697.0	-4.6
03:37	0.15	607.1	-4.42	0.1	607.1	-4.4
03:36	0.69	643.8	-5.41	0.7	643.8	-5.4
03:35	3.27	693.9	-5.54	3.3	693.9	-5.5
03:34	2.28	684.0	-0.17	2.3	684.0	-0.2
03:33	1.54	712.0	0.51	1.5	712.0	0.5
03:32	1.03	678.8	-4.22	1.0	678.8	-4.2
03:31	1.52	704.0	-2.36	1.5	704.0	-2.4
03:30	1.70	712.8	-2.54	1.7	712.8	-2.5
03:29	1.26	701.0	-0.38	1.3	701.0	-0.4
03:28	0.99	688.1	-2.35	1.0	688.1	-2.3
03:27	1.04	667.3	-4.66	1.0	667.3	-4.7
03:26	1.17	696.8	-4.25	1.2	696.8	-4.2
03:25	1.04	713.4	-5.06	1.0	713.4	-5.1
03:24	1.49	722.7	-5.75	1.5	722.7	-5.7
03:23	1.45	654.6	-4.42	1.4	654.6	-4.4
03:22	1.66	684.8	-2.85	1.7	684.8	-2.9
03:21	0.64	653.9	-0.63	0.6	653.9	-0.6
03:20	2.36	692.5	0.46	2.4	692.5	0.5
03:19	1.87	715.3	-0.75	1.9	715.3	-0.8
03:18	2.05	732.3	1.66	2.1	732.3	1.7
03:17	2.13	728.5	1.35	2.1	728.5	1.4
03:16	2.09	727.6	0.69	2.1	727.6	0.7
03:15	1.88	701.5	-0.15	1.9	701.5	-0.1
03:14	1.76	683.5	0.53	1.8	683.5	0.5
03:13	2.14	743.7	1.70	2.1	743.7	1.7
03:12	2.05	727.4	0.53	2.1	727.4	0.5
03:11	1.90	695.8	1.60	1.9	695.8	1.6
03:10	1.93	684.6	0.63	1.9	684.6	0.6
03:09	2.14	695.3	0.34	2.1	695.3	0.3
03:08	2.06	707.6	0.68	2.1	707.6	0.7
03:07	2.00	729.1	-0.67	2.0	729.1	-0.7
03:06	1.81	700.6	-1.83	1.8	700.6	-1.8
03:05	1.49	681.8	-0.95	1.5	681.8	-0.9
03:04	1.96	698.8	-1.25	2.0	698.8	-1.2
03:03	1.76	688.5	-3.26	1.8	688.5	-3.3
03:02	1.65	684.3	-2.13	1.7	684.3	-2.1
03:01	1.38	668.7	-1.63	1.4	668.7	-1.6
03:00	1.88	691.3	0.32	1.9	691.3	0.3
02:59	1.82	692.7	-0.62	1.8	692.7	-0.6
02:58	1.46	681.1	-0.92	1.5	681.1	-0.9
02:57	1.91	702.0	-1.98	1.9	702.0	-2.0
02:56	2.46	717.6	-0.50	2.5	717.6	-0.5
02:55	2.13	692.7	0.66	2.1	692.7	0.7
02:54	1.58	672.8	-1.95	1.6	672.8	-2.0
02:53	1.43	669.3	-1.88	1.4	669.3	-1.9
02:52	2.41	702.8	-1.27	2.4	702.8	-1.3
02:51	1.65	703.6	-1.41	1.7	703.6	-1.4
02:50	1.57	681.3	-1.48	1.6	681.3	-1.5
02:49	1.88	688.1	-2.39	1.9	688.1	-2.4
02:48	1.91	693.3	-2.27	1.9	693.3	-2.3
02:47	1.71	718.1	-1.79	1.7	718.1	-1.8
02:46	1.54	695.1	-1.83	1.5	695.1	-1.8
02:45	1.81	687.6	-3.96	1.8	687.6	-4.0
02:44	2.16	696.3	-2.66	2.2	696.3	-2.7
02:43	1.82	707.2	-0.81	1.8	707.2	-0.8

Built 2025-05-05 04:43 from source

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-7.6	3.5	-0.9
velocity [km/s]	607.1	759.0	693.5
density [cm^-3]	0.1	3.3	1.7

Geomagnetic activity (RX [nT])
site	latest hour	next hour (RXmin, RXmax)

Kevo (KEV)	250	32	352
Maasi (MAS)	254	47	348
Kilpisjärvi (KIL)	276	30	375
Ivalo (IVA)	250	23	358
Muonio (MUO)	264	20	324
Sodankylä (SOD)	253	19	274
Pello (PEL)	-	16	259
Oulujärvi (OUJ)	145	12	110
Mekrijärvi (MEK)	74	7	33
Hankasalmi (HAN)	-	10	52
Nurmijärvi (NUR)	62	9	47
Tartu (TAR)	34	7	34

low	increased	moderate	high	very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)

Built 2025-05-05 04:32 from source

NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR

Issue Time: 2025-05-04 20:11 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-05-04 20:10 UTC
Valid To: 2025-05-05 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.

Issue Time: 2025-05-04 18:58 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4950
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-05 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: 2025-05-04 07:53 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-04 07:52 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: 2025-05-04 07:23 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4949
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-04 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: 2025-05-04 07:23 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-05-04 07:22 UTC
Valid To: 2025-05-04 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: 2025-05-04 05:31 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3457
Begin Time: 2025-05-02 13:30 UTC
Yesterday Maximum 2MeV Flux: 5464 pfu

Issue Time: 2025-05-03 17:27 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4948
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-04 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: 2025-05-03 11:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2031
Valid From: 2025-05-01 13:50 UTC
Now Valid Until: 2025-05-03 18:00 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: 2025-05-03 10:32 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-03 10:30 UTC
Synoptic Period: 0900-1200 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: 2025-05-03 06:51 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3456
Begin Time: 2025-05-02 13:30 UTC
Yesterday Maximum 2MeV Flux: 1451 pfu

Issue Time: 2025-05-03 01:29 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2025-05-03 01:30 UTC
Valid To: 2025-05-03 09:00 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: 2025-05-03 01:29 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2030
Valid From: 2025-05-01 13:50 UTC
Now Valid Until: 2025-05-03 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: 2025-05-03 01:29 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4947
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-03 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: 2025-05-03 00:56 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-03 00:55 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: 2025-05-02 23:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-02 23:20 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: 2025-05-02 18:02 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-02 17:59 UTC
Synoptic Period: 1500-1800 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: 2025-05-02 17:46 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4946
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-03 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: 2025-05-02 17:41 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2029
Valid From: 2025-05-01 13:50 UTC
Now Valid Until: 2025-05-03 06:00 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: 2025-05-02 14:40 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-02 14:35 UTC
Synoptic Period: 1200-1500 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: 2025-05-02 13:44 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-05-02 13:30 UTC
Station: GOES19

Issue Time: 2025-05-02 08:31 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2028
Valid From: 2025-05-01 13:50 UTC
Now Valid Until: 2025-05-02 18:00 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: 2025-05-02 08:30 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4945
Valid From: 2025-05-01 03:43 UTC
Now Valid Until: 2025-05-02 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: 2025-05-02 05:07 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-05-02 04:59 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.

Built 2025-05-05 04:07 from source