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##Quelle: https://services.swpc.noaa.gov/products/alerts.json
Zeitraum: 1 Monat ( 11.Oct.2026 17:02 UTC - 10.Nov.2026 04:01 )
10.Nov.2026 05:01 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3770
Begin Time: 2026 Nov 08 2245 UTC
Yesterday Maximum 2MeV Flux: 4674 pfu
Max time: 2026 Nov 09 1630 UTC
· ·
10.Nov.2026 03:02 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5452
Valid From: 2026 Nov 09 0556 UTC
Now Valid Until: 2026 Nov 10 1200 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
09.Nov.2026 17:55 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5451
Valid From: 2026 Nov 09 0556 UTC
Now Valid Until: 2026 Nov 10 0600 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
09.Nov.2026 10:01 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3769
Begin Time: 2026 Nov 08 2245 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026 Nov 08 2335 UTC
· ·
09.Nov.2026 05:56 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Nov 09 0556 UTC
Valid To: 2026 Nov 09 1800 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
08.Nov.2026 23:24 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Nov 08 2245 UTC
Station: GOES-19
Comment:
· ·
08.Nov.2026 02:03 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Nov 08 0203 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
07.Nov.2026 19:45 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Nov 07 1945 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
07.Nov.2026 19:40 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5449
Valid From: 2026 Nov 07 0056 UTC
Now Valid Until: 2026 Nov 08 2359 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Nov.2026 19:35 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Nov 07 1935 UTC
Valid To: 2026 Nov 08 2100 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
07.Nov.2026 19:20 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Nov 07 1920 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Nov.2026 11:55 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5448
Valid From: 2026 Nov 07 0056 UTC
Now Valid Until: 2026 Nov 07 2359 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Nov.2026 06:26 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Nov 07: G1 (Minor) Nov 08: G1 (Minor) Nov 09: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Nov.2026 00:56 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Nov 07 0056 UTC
Valid To: 2026 Nov 07 1200 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
06.Nov.2026 10:56 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3767
Begin Time: 2026 Nov 01 1302 UTC
Yesterday Maximum 2MeV Flux: 2197 pfu
Max time: 2026 Nov 05 1700 UTC
· ·
05.Nov.2026 18:57 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Nov 05 1828 UTC
Estimate Velocity: 609 km/s
Comment:
· ·
05.Nov.2026 17:45 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Nov 06: G1 (Minor) Nov 07: G1 (Minor) Nov 08: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
05.Nov.2026 12:54 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3766
Begin Time: 2026 Nov 01 1302 UTC
Yesterday Maximum 2MeV Flux: 1477 pfu
Max time: 2026 Nov 04 1425 UTC
· ·
04.Nov.2026 19:04 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Nov 05: None (Below G1) Nov 06: G1 (Minor) Nov 07: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
04.Nov.2026 14:47 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3765
Begin Time: 2026 Nov 01 1302 UTC
Yesterday Maximum 2MeV Flux: 4077 pfu
Max time: 2026 Nov 03 1620 UTC
· ·
04.Nov.2026 08:19 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Nov 04 0819 UTC
Valid To: 2026 Nov 04 1500 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
03.Nov.2026 05:02 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3764
Begin Time: 2026 Nov 01 1302 UTC
Yesterday Maximum 2MeV Flux: 4481 pfu
Max time: 2026 Nov 02 1540 UTC
· ·
02.Nov.2026 12:03 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3763
Begin Time: 2026 Nov 01 1302 UTC
Yesterday Maximum 2MeV Flux: 5350 pfu
Max time: 2026 Nov 01 1550 UTC
· ·
01.Nov.2026 14:57 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5445
Valid From: 2026 Oct 31 1235 UTC
Now Valid Until: 2026 Nov 01 2359 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
01.Nov.2026 13:02 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Nov 01 1302 UTC
Station: GOES-19
Comment:
· ·
01.Nov.2026 01:17 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Nov 01 0117 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
01.Nov.2026 00:08 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Nov 01 0007 UTC
Valid To: 2026 Nov 01 0900 UTC
Warning Conditions: Persistence
Noaa Scale: G1 - Minor
Comment: Re-issued due to technical issues with end date of previous warning.
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
31.Oct.2026 19:14 UTC · ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026 Oct 31 1914 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment:
· NOAA Scale: G2 - Moderate ·
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
31.Oct.2026 19:08 UTC · WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026 Oct 31 1908 UTC
Valid To: 2026 Oct 31 2359 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment:
· NOAA Scale: G2 - Moderate ·
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
31.Oct.2026 19:07 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Oct 31 1907 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
31.Oct.2026 19:04 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Oct 31 1901 UTC
Valid To: 2026 Oct 31 2359 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
31.Oct.2026 18:47 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 31 1845 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
31.Oct.2026 12:20 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 31 1235 UTC
Valid To: 2026 Nov 01 1500 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
30.Oct.2026 23:11 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Oct 30 2310 UTC
Valid To: 2026 Oct 31 0600 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
30.Oct.2026 22:40 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 30 2235 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
30.Oct.2026 22:24 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 30 2223 UTC
Valid To: 2026 Oct 31 1200 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
30.Oct.2026 14:59 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3761
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026 Oct 29 1630 UTC
· ·
29.Oct.2026 19:10 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 30: None (Below G1) Oct 31: G1 (Minor) Nov 01: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
29.Oct.2026 16:14 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3760
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 2493 pfu
Max time: 2026 Oct 28 1805 UTC
· ·
28.Oct.2026 16:38 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 29: None (Below G1) Oct 30: None (Below G1) Oct 31: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: G1 (Minor) geomagnetic storms are likely on 31 Oct primarily due to recurrent, positive polarity coronal hole high speed stream effects.
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
28.Oct.2026 09:23 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3759
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 1789 pfu
Max time: 2026 Oct 27 1715 UTC
· ·
27.Oct.2026 11:38 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3758
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 3304 pfu
Max time: 2026 Oct 26 1105 UTC
· ·
26.Oct.2026 05:17 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3757
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 2864 pfu
Max time: 2026 Oct 25 1820 UTC
· ·
25.Oct.2026 09:27 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3756
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 3259 pfu
Max time: 2026 Oct 24 1530 UTC
· ·
24.Oct.2026 09:04 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3755
Begin Time: 2026 Oct 23 1140 UTC
Yesterday Maximum 2MeV Flux: 3169 pfu
Max time: 2026 Oct 23 1540 UTC
· ·
23.Oct.2026 19:55 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 23 1953 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
23.Oct.2026 19:27 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 23 1926 UTC
Valid To: 2026 Oct 24 0900 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
23.Oct.2026 11:47 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Oct 23 1140 UTC
Station: GOES-19
Comment:
· ·
22.Oct.2026 20:21 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5441
Valid From: 2026 Oct 21 1616 UTC
Now Valid Until: 2026 Oct 23 0300 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
22.Oct.2026 16:48 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5440
Valid From: 2026 Oct 21 1616 UTC
Now Valid Until: 2026 Oct 22 2100 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
22.Oct.2026 14:24 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5439
Valid From: 2026 Oct 21 1616 UTC
Now Valid Until: 2026 Oct 22 1800 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
22.Oct.2026 05:32 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5438
Valid From: 2026 Oct 21 1616 UTC
Now Valid Until: 2026 Oct 22 1500 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
22.Oct.2026 00:03 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Oct 21 2359 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
21.Oct.2026 22:28 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Oct 21 2227 UTC
Valid To: 2026 Oct 22 0900 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
· NOAA Scale: G1 - Minor ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
21.Oct.2026 21:30 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 21 2059 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
21.Oct.2026 16:17 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 21 1616 UTC
Valid To: 2026 Oct 22 0600 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
21.Oct.2026 04:29 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 21 0429 UTC
Synoptic Period: 0300-0600
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
21.Oct.2026 02:05 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 21 0204 UTC
Valid To: 2026 Oct 21 1200 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
20.Oct.2026 19:12 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 21: G1 (Minor) Oct 22: None (Below G1) Oct 23: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
19.Oct.2026 09:09 UTC · SUMMARY: 10cm Radio Burst
Begin Time: 2026 Oct 19 0858 UTC
Maximum Time: 2026 Oct 19 0859 UTC
End Time: 2026 Oct 19 0859 UTC
Peak Flux: 430 sfu
Duration: 1 minutes
Latest Penticton Noon Flux: 137 sfu
Comment:
· ·
18.Oct.2026 17:24 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 19: G1 (Minor) Oct 20: G1 (Minor) Oct 21: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
17.Oct.2026 20:14 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 18: None (Below G1) Oct 19: None (Below G1) Oct 20: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
16.Oct.2026 19:39 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Oct 16 1940 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
16.Oct.2026 19:38 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 16 1938 UTC
Valid To: 2026 Oct 17 0300 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
16.Oct.2026 14:19 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Oct 16 1345 UTC
Station: GOES-19
Comment:
· ·
13.Oct.2026 20:58 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5434
Valid From: 2026 Oct 13 0115 UTC
Now Valid Until: 2026 Oct 14 1200 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
13.Oct.2026 14:31 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5433
Valid From: 2026 Oct 13 0115 UTC
Now Valid Until: 2026 Oct 13 2100 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
13.Oct.2026 01:15 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Oct 13 0115 UTC
Valid To: 2026 Oct 13 1500 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
11.Oct.2026 19:11 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 12: None (Below G1) Oct 13: G1 (Minor) Oct 14: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment:
NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation