Virmaliste jälgimine

SeadedLast update:

Time UTC	DSCOVR			ACE
	Solar Wind		GSM	Solar Wind		GSM
	Proton Density	Bulk Speed	Bz	Proton Density	Bulk Speed	Bz
13:36	-	-	-	-	-	-
13:35	-	-	-	-	-	-
13:34	5.59	385.5	1.09	-	-	-
13:33	5.78	387.5	0.86	-	-	-
13:32	6.13	389.8	0.79	-	-	-
13:31	6.08	389.4	0.84	-	-	-
13:30	4.61	386.0	0.14	-	-	-
13:29	4.24	385.9	1.62	-	-	-
13:28	4.48	384.0	2.01	-	-	-
13:27	4.84	384.2	2.21	4.8	384.2	2.2
13:26	4.65	387.7	2.34	4.6	387.7	2.3
13:25	3.56	393.6	2.36	3.6	393.6	2.4
13:24	4.17	391.3	3.27	4.2	391.3	3.3
13:23	3.97	393.4	3.38	4.0	393.4	3.4
13:22	3.32	396.4	4.20	3.3	396.4	4.2
13:21	2.74	398.2	4.71	2.7	398.2	4.7
13:20	2.62	400.2	5.02	2.6	400.2	5.0
13:19	2.87	397.4	4.74	2.9	397.4	4.7
13:18	3.16	391.2	4.75	3.2	391.2	4.7
13:17	3.43	394.4	4.11	3.4	394.4	4.1
13:16	2.55	400.4	4.06	2.6	400.4	4.1
13:15	2.89	400.8	4.75	2.9	400.8	4.8
13:14	2.47	403.3	5.15	2.5	403.3	5.1
13:13	3.54	396.4	4.79	3.5	396.4	4.8
13:12	3.54	-	4.10	3.5	-	4.1
13:11	-	-	3.37	-	-	3.4
13:10	5.00	387.5	5.34	5.0	387.5	5.3
13:09	4.00	386.5	3.17	4.0	386.5	3.2
13:08	2.90	397.4	3.30	2.9	397.4	3.3
13:07	3.03	399.5	4.82	3.0	399.5	4.8
13:06	3.01	400.3	5.17	3.0	400.3	5.2
13:05	3.05	396.9	5.90	3.0	396.9	5.9
13:04	3.40	394.1	4.84	3.4	394.1	4.8
13:03	3.51	396.9	3.55	3.5	396.9	3.6
13:02	3.36	397.4	3.81	3.4	397.4	3.8
13:01	3.44	395.1	3.74	3.4	395.1	3.7
13:00	4.11	394.9	2.98	4.1	394.9	3.0
12:59	4.71	397.9	1.92	4.7	397.9	1.9
12:58	5.78	389.8	3.03	5.8	389.8	3.0
12:57	6.51	389.8	-0.52	6.5	389.8	-0.5
12:56	4.70	388.3	0.03	4.7	388.3	0.0
12:55	6.68	386.6	0.15	6.7	386.6	0.2
12:54	6.68	386.7	-1.54	6.7	386.7	-1.5
12:53	6.63	386.6	-2.12	6.6	386.6	-2.1
12:52	6.64	387.0	-1.58	6.6	387.0	-1.6
12:51	6.49	388.2	-1.18	6.5	388.2	-1.2
12:50	6.59	383.7	-0.58	6.6	383.7	-0.6
12:49	6.72	380.5	-2.63	6.7	380.5	-2.6
12:48	6.06	380.8	-2.22	6.1	380.8	-2.2
12:47	5.72	381.0	-1.75	5.7	381.0	-1.8
12:46	6.47	381.8	-1.51	6.5	381.8	-1.5
12:45	6.46	381.4	-1.17	6.5	381.4	-1.2
12:44	6.35	381.9	-1.37	6.3	381.9	-1.4
12:43	6.38	384.1	-1.18	6.4	384.1	-1.2
12:42	5.95	383.0	-1.83	6.0	383.0	-1.8
12:41	5.18	384.8	-1.24	5.2	384.8	-1.2
12:40	5.61	387.3	1.07	5.6	387.3	1.1
12:39	5.62	387.4	0.82	5.6	387.4	0.8
12:38	-	-	0.97	-	-	1.0
12:37	3.96	392.9	-0.43	4.0	392.9	-0.4
12:36	3.81	369.3	3.36	3.8	369.3	3.4
12:35	4.17	373.7	2.29	4.2	373.7	2.3
12:34	4.21	384.6	3.30	4.2	384.6	3.3
12:33	4.71	385.3	3.22	4.7	385.3	3.2
12:32	5.31	383.6	3.59	5.3	383.6	3.6
12:31	-	-	3.05	-	-	3.0
12:30	3.85	390.1	2.92	3.9	390.1	2.9
12:29	4.12	390.9	2.93	4.1	390.9	2.9
12:28	5.33	393.3	3.80	5.3	393.3	3.8
12:27	6.60	389.6	1.94	6.6	389.6	1.9
12:26	3.56	370.0	-0.29	3.6	370.0	-0.3
12:25	6.22	391.7	-0.52	6.2	391.7	-0.5
12:24	6.84	390.6	-0.68	6.8	390.6	-0.7
12:23	6.52	396.5	-0.70	6.5	396.5	-0.7
12:22	6.34	384.6	-0.86	6.3	384.6	-0.9
12:21	5.71	383.6	-0.79	5.7	383.6	-0.8
12:20	6.41	382.9	-0.10	6.4	382.9	-0.1
12:19	5.70	382.7	-1.31	5.7	382.7	-1.3
12:18	4.78	385.5	0.22	4.8	385.5	0.2
12:17	5.12	385.7	-0.42	5.1	385.7	-0.4
12:16	6.05	384.0	-2.76	6.0	384.0	-2.8
12:15	6.44	383.0	-2.58	6.4	383.0	-2.6
12:14	6.08	383.8	-1.67	6.1	383.8	-1.7
12:13	5.65	388.1	-2.57	5.6	388.1	-2.6
12:12	6.09	385.4	-4.95	6.1	385.4	-5.0
12:11	6.97	384.2	-4.89	7.0	384.2	-4.9
12:10	6.83	381.6	-3.03	6.8	381.6	-3.0
12:09	6.45	381.2	-3.20	6.4	381.2	-3.2
12:08	4.71	391.1	-2.32	4.7	391.1	-2.3
12:07	-	-	2.15	-	-	2.2
12:06	-	-	1.88	-	-	1.9
12:05	5.24	378.4	1.19	5.2	378.4	1.2
12:04	4.86	387.6	1.63	4.9	387.6	1.6
12:03	4.89	387.1	1.65	4.9	387.1	1.6
12:02	4.87	388.5	1.80	4.9	388.5	1.8
12:01	3.64	382.4	2.21	3.6	382.4	2.2
12:00	3.70	384.2	2.22	3.7	384.2	2.2
11:59	4.90	395.6	2.10	4.9	395.6	2.1
11:58	4.93	391.5	1.44	4.9	391.5	1.4
11:57	5.29	380.4	1.16	5.3	380.4	1.2
11:56	4.16	371.3	0.18	4.2	371.3	0.2
11:55	4.84	386.5	-0.14	4.8	386.5	-0.1
11:54	4.84	392.1	0.72	4.8	392.1	0.7
11:53	5.45	392.6	2.80	5.5	392.6	2.8
11:52	3.51	367.6	1.68	3.5	367.6	1.7
11:51	4.98	387.9	1.22	5.0	387.9	1.2
11:50	6.53	392.1	0.49	6.5	392.1	0.5
11:49	7.23	400.0	-1.35	7.2	400.0	-1.4
11:48	4.97	377.8	-0.49	5.0	377.8	-0.5
11:47	4.26	380.2	-0.14	4.3	380.2	-0.1
11:46	5.36	388.3	-0.08	5.4	388.3	-0.1
11:45	5.96	389.5	-0.09	6.0	389.5	-0.1
11:44	4.91	380.4	0.55	4.9	380.4	0.6
11:43	4.09	378.2	0.37	4.1	378.2	0.4
11:42	3.95	395.4	0.64	3.9	395.4	0.6
11:41	3.37	397.7	1.29	3.4	397.7	1.3
11:40	6.02	385.6	-2.01	6.0	385.6	-2.0
11:39	5.26	383.3	-0.15	5.3	383.3	-0.2
11:38	4.78	385.2	-0.84	4.8	385.2	-0.8
11:37	5.51	382.0	0.15	5.5	382.0	0.2

Built 2025-04-20 13:37 from source

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-2.6	5.9	2.1
velocity [km/s]	369.3	403.3	389.6
density [cm^-3]	2.5	6.7	4.6

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

Kevo (KEV)	45	4	55
Maasi (MAS)	48	5	63
Kilpisjärvi (KIL)	49	5	59
Ivalo (IVA)	41	4	54
Muonio (MUO)	43	4	50
Sodankylä (SOD)	38	4	49
Pello (PEL)	40	4	47
Oulujärvi (OUJ)	35	3	40
Mekrijärvi (MEK)	25	2	28
Hankasalmi (HAN)	30	2	29
Nurmijärvi (NUR)	28	3	31
Tartu (TAR)	22	2	22

low	increased	moderate	high	very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)

Built 2025-04-20 13:32 from source

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

Issue Time: 2025-04-20 00:56 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-04-20 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: 2025-04-20 00:41 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-04-20 00:38 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: 2025-04-20 00:38 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-04-20 00:38 UTC
Valid To: 2025-04-20 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: 2025-04-20 00:06 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-04-20 00:05 UTC
Valid To: 2025-04-20 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: 2025-04-19 20:47 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Apr 20: None (Below G1) Apr 21: None (Below G1) Apr 22: G2 (Moderate)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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: 2025-04-19 14:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4931
Valid From: 2025-04-19 02:18 UTC
Now Valid Until: 2025-04-19 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: 2025-04-19 02:27 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-04-19 02:27 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: 2025-04-19 02:19 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-04-19 02:18 UTC
Valid To: 2025-04-19 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: 2025-04-19 00:07 UTC
ALERT: Type II Radio Emission
Begin Time: 2025-04-18 23:45 UTC
Estimated Velocity: 349 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: 2025-04-18 04:48 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-04-18 04:47 UTC
Valid To: 2025-04-18 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: 2025-04-18 04:02 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-04-18 03:57 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: 2025-04-18 01:52 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-04-18 01:52 UTC
Valid To: 2025-04-18 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: 2025-04-17 10:12 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4928
Valid From: 2025-04-15 17:05 UTC
Now Valid Until: 2025-04-17 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.

Built 2025-04-20 00:58 from source