Monitoring

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Time UTC	DSCOVR			ACE
	Solar Wind		GSM	Solar Wind		GSM
	Proton Density	Bulk Speed	Bz	Proton Density	Bulk Speed	Bz
21:14	-	-	-	-	-	-
21:13	-	-	-	-	-	-
21:12	-	-	-	-	-	-1.5
21:11	7.33	543.0	-1.62	0.9	589.7	-1.6
21:10	7.49	542.1	-1.98	0.8	584.8	-1.6
21:09	7.13	546.4	-1.80	0.7	579.2	-2.0
21:08	7.28	550.5	-1.95	0.6	576.0	-2.1
21:07	7.33	552.2	-1.42	0.6	570.7	-2.2
21:06	7.10	551.5	-1.94	0.7	574.6	-2.1
21:05	7.93	541.6	-1.94	0.7	573.5	-2.0
21:04	7.44	540.4	-1.78	0.8	578.7	-1.7
21:03	7.23	549.1	-1.56	0.7	579.8	-1.7
21:02	7.46	548.5	-1.05	0.7	574.6	-1.9
21:01	7.20	552.2	-1.86	0.9	574.3	-1.7
21:00	7.94	555.8	-1.74	0.6	564.4	-2.2
20:59	7.85	556.3	-2.33	0.8	575.5	-2.0
20:58	7.63	560.3	-2.97	0.9	574.2	-1.8
20:57	7.70	564.6	-3.33	0.9	577.6	-2.0
20:56	7.95	559.6	-2.25	0.7	577.1	-2.1
20:55	8.12	554.9	-1.71	0.7	576.2	-1.9
20:54	8.12	556.7	-1.77	0.8	574.7	-2.0
20:53	8.00	554.4	-1.55	0.8	568.0	-2.3
20:52	7.98	553.8	-1.88	0.9	564.3	-2.9
20:51	7.92	554.9	-1.36	1.0	569.9	-2.3
20:50	7.55	548.9	-1.26	0.9	572.1	-1.5
20:49	7.36	549.3	-1.15	1.0	572.9	-1.0
20:48	7.28	549.7	-0.88	1.3	579.3	-0.9
20:47	7.98	552.7	-0.75	1.1	573.3	-1.3
20:46	8.00	555.5	-0.88	1.2	577.7	-0.7
20:45	8.26	558.4	-1.30	1.2	578.8	-1.1
20:44	8.10	554.5	-0.97	1.2	587.5	-1.5
20:43	7.87	551.2	-0.94	1.2	588.5	0.4
20:42	7.71	545.0	-0.43	1.4	591.9	0.2
20:41	8.25	545.1	-0.47	1.3	594.8	0.0
20:40	7.21	548.6	-0.69	1.3	599.8	-0.0
20:39	7.14	547.8	-0.44	1.2	599.9	-0.3
20:38	7.41	543.0	0.23	1.4	594.4	0.4
20:37	7.61	540.8	0.32	1.6	589.4	0.4
20:36	7.30	541.8	0.66	1.6	585.5	0.4
20:35	7.96	532.1	0.11	1.6	577.9	0.2
20:34	7.66	536.2	0.24	1.5	568.8	0.0
20:33	7.81	527.0	0.65	1.5	564.7	1.1
20:32	7.61	540.2	-0.09	1.7	571.1	1.1
20:31	7.61	528.2	0.32	1.6	570.2	1.4
20:30	7.47	529.1	0.43	1.5	564.2	1.1
20:29	7.36	529.8	0.27	1.4	564.7	0.8
20:28	7.44	532.8	-0.51	0.9	575.7	2.3
20:27	7.72	547.1	-1.71	1.0	577.4	3.2
20:26	7.49	557.0	-3.42	0.6	579.7	3.5
20:25	7.15	552.1	-3.02	0.5	582.2	-3.0
20:24	8.03	554.8	-3.06	0.9	566.0	-3.6
20:23	7.06	559.9	-3.14	1.2	558.5	-2.0
20:22	7.48	547.1	-3.31	1.2	559.3	-0.7
20:21	7.38	533.4	-1.30	1.0	561.9	-0.4
20:20	7.19	531.6	-1.69	0.7	566.2	-2.0
20:19	7.13	533.2	-1.84	0.6	567.5	-2.7
20:18	7.29	531.3	-1.66	0.7	567.1	-2.7
20:17	7.23	534.0	-2.08	1.1	555.5	-1.9
20:16	7.23	531.7	-1.92	0.8	563.7	-2.3
20:15	7.17	533.5	-2.19	0.7	564.8	-2.2
20:14	7.54	537.5	-2.61	0.9	559.5	-2.0
20:13	7.27	537.0	-2.73	0.9	557.9	-2.2
20:12	7.31	537.9	-2.47	0.6	567.7	-2.3
20:11	7.45	534.0	-2.52	0.8	562.6	-2.8
20:10	6.93	553.1	-2.69	0.8	561.3	-2.7
20:09	7.14	553.7	-2.98	0.7	567.9	-3.0
20:08	7.09	551.2	-3.01	0.6	573.6	-2.8
20:07	7.24	551.4	-3.22	0.5	574.8	-3.0
20:06	7.32	553.1	-3.17	0.7	566.5	-3.0
20:05	7.27	554.1	-3.16	0.9	557.5	-2.4
20:04	7.59	556.2	-3.13	1.1	554.7	-2.0
20:03	7.97	558.5	-3.10	0.9	560.4	-2.2
20:02	7.41	550.1	-3.03	0.6	571.9	-2.5
20:01	7.21	549.5	-3.05	0.6	568.7	-3.1
20:00	7.68	545.1	-2.67	0.6	572.7	-3.0
19:59	7.95	557.3	-3.44	1.4	549.0	-2.7
19:58	7.42	551.1	-2.36	1.6	550.6	-1.3
19:57	7.57	556.7	-2.48	1.4	548.1	-1.4
19:56	7.57	554.1	-2.40	1.5	548.2	-1.3
19:55	7.29	558.3	-3.12	1.2	551.9	-1.6
19:54	8.01	559.6	-3.60	0.9	561.2	-2.2
19:53	7.20	554.0	-3.09	0.9	562.7	-2.6
19:52	7.69	555.9	-3.53	1.1	559.3	-2.4
19:51	7.55	555.7	-3.45	1.1	561.9	-2.4
19:50	7.20	553.8	-3.22	0.9	567.1	-2.6
19:49	7.33	552.4	-3.09	0.8	569.4	-2.8
19:48	7.17	547.0	-2.57	1.0	567.7	-2.8
19:47	7.06	552.8	-2.92	1.3	560.9	-2.5
19:46	7.31	554.9	-3.19	1.5	554.5	-2.3
19:45	7.48	553.0	-3.08	1.2	556.5	-1.7
19:44	8.64	556.3	-3.10	1.1	559.1	-2.2
19:43	7.43	580.6	-2.78	1.3	555.6	-2.1
19:42	7.85	549.3	-3.01	1.2	556.4	-1.7
19:41	7.07	551.9	-2.85	1.3	557.9	-2.0
19:40	6.94	560.5	-2.98	1.3	558.0	-1.8
19:39	7.61	548.3	-2.69	1.1	561.6	-1.8
19:38	7.40	552.3	-3.11	1.1	559.1	-2.0
19:37	7.42	550.6	-2.71	1.1	558.2	-2.0
19:36	7.55	559.0	-3.58	1.1	558.6	-1.9
19:35	7.27	553.7	-3.45	1.2	560.8	-1.7
19:34	7.09	551.3	-2.85	1.2	562.0	-1.8
19:33	7.24	552.4	-2.89	1.2	560.2	-2.0
19:32	7.65	551.2	-3.05	1.2	560.6	-2.1
19:31	7.52	537.6	-0.89	1.2	563.2	-2.5
19:30	7.80	542.4	-0.43	1.4	559.2	-2.0
19:29	7.58	538.7	-2.44	1.5	556.6	-1.6
19:28	7.68	537.0	-2.65	1.7	554.7	-1.3
19:27	7.50	536.2	-2.18	1.6	554.7	-0.7
19:26	7.69	535.2	-0.68	1.5	551.2	-1.4
19:25	7.73	539.0	0.70	1.6	553.8	-1.5
19:24	7.03	547.3	0.44	1.7	551.8	-1.0
19:23	7.43	547.5	0.50	1.8	552.9	-0.5
19:22	7.37	550.1	0.36	1.7	553.5	0.0
19:21	7.66	552.8	0.42	1.5	557.6	-0.2
19:20	8.11	552.7	-0.45	1.6	553.6	-1.7
19:19	8.01	557.8	-0.65	1.6	551.3	-0.2
19:18	8.04	553.6	-0.50	1.6	552.6	-0.9
19:17	8.15	552.8	-0.19	1.7	554.3	-0.2
19:16	7.68	554.5	-1.95	1.7	554.4	0.4
19:15	7.89	552.2	-0.56	1.7	552.5	0.5

Built 2020-09-26 21:15 from source

Solar wind parameters of the latest hour by NOAA
parameter	min	max	mean
IMF Bz [nT]	-3.4	0.7	-1.7
velocity [km/s]	527.0	559.9	545.9
density [cm^-3]	6.9	8.3	7.5

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

Kevo (KEV)	224	45	427
Masi (MAS)	248	44	413
Kilpisjärvi (KIL)	252	38	422
Ivalo (IVA)	-	29	379
Muonio (MUO)	206	24	398
Sodankylä (SOD)	123	17	388
Pello (PEL)	120	15	370
Oulujärvi (OUJ)	51	8	214
Mekrijärvi (MEK)	32	5	59
Hankasalmi (HAN)	31	6	78
Nurmijärvi (NUR)	29	6	67
Tartu (TAR)	22	5	45

low	increased	moderate	high	very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)

Built 2020-09-26 21:02 from source

NUR | HAN | SOD | KEV | KIL

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

Issue Time: 2020-09-26 17:38 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3764
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-27 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: 2020-09-26 17:38 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1559
Valid From: 2020-09-26 13:30 UTC
Now Valid Until: 2020-09-27 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: 2020-09-26 17:38 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Sep 27: G1 (Minor) Sep 28: G1 (Minor) Sep 29: 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: 2020-09-26 13:38 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-26 13:38 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: 2020-09-26 13:31 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-26 13:30 UTC
Valid To: 2020-09-26 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: 2020-09-26 13:16 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3057
Begin Time: 2020-09-24 15:40 UTC
Yesterday Maximum 2MeV Flux: 6990 pfu

Issue Time: 2020-09-26 11:07 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3763
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-26 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: 2020-09-26 05:17 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-26 05:16 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: 2020-09-26 04:57 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-26 04:55 UTC
Valid To: 2020-09-26 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: 2020-09-25 23:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3762
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-26 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: 2020-09-25 20:23 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 26: None (Below G1) Sep 27: None (Below G1) Sep 28: 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: 2020-09-25 17:59 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-25 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: 2020-09-25 17:06 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-25 17:05 UTC
Valid To: 2020-09-25 21:00 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: 2020-09-25 14:34 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3761
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-25 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: 2020-09-25 10:41 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3056
Begin Time: 2020-09-24 15:40 UTC
Yesterday Maximum 2MeV Flux: 1232 pfu

Issue Time: 2020-09-25 08:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3760
Valid From: 2020-09-25 04:25 UTC
Now Valid Until: 2020-09-25 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: 2020-09-25 06:01 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-09-25 05:59 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: 2020-09-25 04:26 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-09-25 04:25 UTC
Valid To: 2020-09-25 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: 2020-09-24 17:03 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020-09-24 15:40 UTC
Station: GOES-16

Issue Time: 2020-09-24 08:07 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2020-09-24 08:06 UTC
Valid To: 2020-09-24 12:00 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: 2020-09-24 07:47 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020-09-24 07:41 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: 2020-09-24 07:33 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020-09-24 07:33 UTC
Valid To: 2020-09-24 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: 2020-09-24 07:22 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3758
Valid From: 2020-09-23 19:56 UTC
Now Valid Until: 2020-09-24 18:00 UTC
Warning Condition: Persisence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2020-09-24 02:57 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3757
Valid From: 2020-09-23 19:56 UTC
Now Valid Until: 2020-09-24 09:00 UTC
Warning Condition: Persisence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2020-09-23 21:28 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020-09-23 21:00 UTC
Synoptic Period: 2100-2400 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: 2020-09-23 19:58 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020-09-23 19:56 UTC
Valid To: 2020-09-24 03:00 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.

Built 2020-09-26 17:40 from source