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##Quelle: https://services.swpc.noaa.gov/products/alerts.json
Zeitraum: 1 Monat ( 27.Aug.2026 09:34 UTC - 25.Sep.2026 21:58 )
25.Sep.2026 21:58 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 25 2158 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
25.Sep.2026 21:55 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 25 2154 UTC
Valid To: 2026 Sep 26 1200 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
25.Sep.2026 08:35 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Sep 25 0835 UTC
Valid To: 2026 Sep 25 1200 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.
25.Sep.2026 03:00 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 25 0257 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
25.Sep.2026 02:26 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 25 0226 UTC
Valid To: 2026 Sep 25 1800 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
24.Sep.2026 14:30 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5419
Valid From: 2026 Sep 24 0944 UTC
Now Valid Until: 2026 Sep 24 2100 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
24.Sep.2026 09:52 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 24 0945 UTC
Synoptic Period: 0900-1200
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
24.Sep.2026 09:45 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 24 0944 UTC
Valid To: 2026 Sep 24 1500 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
21.Sep.2026 18:32 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Sep 22: None (Below G1) Sep 23: None (Below G1) Sep 24: 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.Sep.2026 05:38 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5417
Valid From: 2026 Sep 15 1849 UTC
Now Valid Until: 2026 Sep 16 1800 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
16.Sep.2026 00:34 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 16 0030 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
15.Sep.2026 18:56 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Sep 15 1855 UTC
Valid To: 2026 Sep 16 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.
15.Sep.2026 18:50 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 15 1849 UTC
Valid To: 2026 Sep 16 0600 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
15.Sep.2026 17:37 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Sep 16: G1 (Minor) Sep 17: G1 (Minor) Sep 18: 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
14.Sep.2026 18:02 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 14 1743 UTC
Synoptic Period: 1500-1800
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
14.Sep.2026 16:54 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 14 1653 UTC
Valid To: 2026 Sep 14 2349 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
14.Sep.2026 15:47 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Sep 15: G1 (Minor) Sep 16: G1 (Minor) Sep 17: 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
14.Sep.2026 11:03 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3743
Begin Time: 2026 Sep 10 1304 UTC
Yesterday Maximum 2MeV Flux: 1827 pfu
Max time: 2026 Sep 13 1800 UTC
· ·
13.Sep.2026 08:27 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3742
Begin Time: 2026 Sep 10 1304 UTC
Yesterday Maximum 2MeV Flux: 1828 pfu
Max time: 2026 Sep 12 1615 UTC
· ·
12.Sep.2026 06:45 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3741
Begin Time: 2026 Sep 10 1304 UTC
Yesterday Maximum 2MeV Flux: 7008 pfu
Max time: 2026 Sep 11 1355 UTC
· ·
11.Sep.2026 05:01 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3740
Begin Time: 2026 Sep 10 1304 UTC
Yesterday Maximum 2MeV Flux: 1391 pfu
Max time: 2026 Sep 11 0455 UTC
· ·
11.Sep.2026 00:45 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3739
Begin Time: 2026 Sep 10 1304 UTC
Yesterday Maximum 2MeV Flux: 3080 pfu
Max time: 2026 Sep 10 1745 UTC
· ·
10.Sep.2026 13:06 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Sep 10 1304 UTC
Station: GOES-19
Comment: Yesterday's max: 1037 pfu
· ·
09.Sep.2026 05:38 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3738
Begin Time: 2026 Sep 08 1550 UTC
Yesterday Maximum 2MeV Flux: 1003 pfu
CORRECTED
· ·
09.Sep.2026 05:35 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3737
Begin Time: 2026 Sep 08 1550 UTC
Yesterday Maximum 2MeV Flux: 1540 pfu
Max time: 2026 Sep 09 0145 UTC
· ·
08.Sep.2026 17:51 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Sep 08 1744 UTC
Synoptic Period: 1500-1800
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.
08.Sep.2026 17:30 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5414
Valid From: 2026 Sep 07 0854 UTC
Now Valid Until: 2026 Sep 09 0900 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
08.Sep.2026 17:27 UTC · EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2263
Valid From: 2026 Sep 07 2000 UTC
Now Valid Until: 2026 Sep 08 2359 UTC
Warning Condition: Persistence
· 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.
08.Sep.2026 17:02 UTC · WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day:
Sep 08: G1 (Minor) Sep 09: G2 (Moderate) Sep 10: 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
08.Sep.2026 16:08 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Sep 08 1550 UTC
Station: GOES-19
Comment: Yesterday's max: 373 pfu
· ·
08.Sep.2026 07:34 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Sep 08 0730 UTC
Synoptic Period: 0600-0900
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.
08.Sep.2026 05:46 UTC · EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2262
Valid From: 2026 Sep 07 2000 UTC
Now Valid Until: 2026 Sep 08 1800 UTC
Warning Condition: Persistence
· 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.
08.Sep.2026 05:45 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5413
Valid From: 2026 Sep 07 0854 UTC
Now Valid Until: 2026 Sep 08 2359 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Sep.2026 20:01 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Sep 07 2000 UTC
Valid To: 2026 Sep 08 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.
07.Sep.2026 16:35 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Sep 08: G1 (Minor) Sep 09: G1 (Minor) Sep 10: 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
07.Sep.2026 14:13 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5412
Valid From: 2026 Sep 07 0854 UTC
Now Valid Until: 2026 Sep 08 0900 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Sep.2026 11:08 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Sep 07 1107 UTC
Synoptic Period: 0900-1200
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
07.Sep.2026 08:55 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 07 0854 UTC
Valid To: 2026 Sep 07 1800 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
06.Sep.2026 18:24 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Sep 06 1822 UTC
Station: GOES-19
Comment:
· ·
06.Sep.2026 12:12 UTC · WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Sep 06: None (Below G1) Sep 07: None (Below G1) Sep 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
06.Sep.2026 11:55 UTC · SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
Begin Time: 2026 Sep 05 1615 UTC
Maximum Time: 2026 Sep 05 1645 UTC
End Time: 2026 Sep 05 2135 UTC
Maximum 10MeV Flux: 18 pfu
Noaa Scale: S1 - Minor
Comment:
· NOAA Scale: S1 - Minor ·
05.Sep.2026 23:58 UTC · EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 631
Valid From: 2026 Sep 05 1620 UTC
Now Valid Until: 2026 Sep 06 1200 UTC
Warning Condition: Persistence
· NOAA Scale: S1 - Minor ·
05.Sep.2026 23:41 UTC · SUMMARY: Proton Event 100MeV Integral Flux exceeded 1pfu
Begin Time: 2026 Sep 05 1545 UTC
Maximum Time: 2026 Sep 05 1550 UTC
End Time: 2026 Sep 05 1615 UTC
Maximum 100MeV Flux: 1 pfu
Comment:
· ·
05.Sep.2026 16:33 UTC · ALERT: Proton Event 10meV Integral Flux exceeded 10pfu
Begin Time: 2026 Sep 05 1615 UTC
Noaa Scale: S1 - Minor
Comment:
· NOAA Scale: S1 - Minor ·
05.Sep.2026 16:20 UTC · WARNING: Proton 10MeV Integral Flux above 10pfu expected
Valid From: 2026 Sep 05 1620 UTC
Valid To: 2026 Sep 05 2359 UTC
Warning Conditions: Onset
Noaa Scale: S1 - Minor
Comment:
· NOAA Scale: S1 - Minor ·
05.Sep.2026 15:56 UTC · ALERT: Proton Event 100MeV Integral Flux exceeded 1pfu
Begin Time: 2026 Sep 05 1552 UTC
Comment:
· ·
05.Sep.2026 15:55 UTC · WARNING: Proton 100MeV Integral Flux above 1pfu expected
Valid From: 2026 Sep 05 1554 UTC
Valid To: 2026 Sep 05 2359 UTC
Warning Conditions: Onset
Comment:
· ·
04.Sep.2026 20:07 UTC · ALERT: Type IV Radio Emission
Begin Time: 2026 Sep 04 1924 UTC
Comment:
· ·
04.Sep.2026 20:06 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Sep 04 1922 UTC
Estimate Velocity: 698 km/s
Comment:
· ·
04.Sep.2026 12:08 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3734
Begin Time: 2026 Aug 31 1146 UTC
Yesterday Maximum 2MeV Flux: 830 pfu
Max time: 2026 Sep 04 1200 UTC
· ·
03.Sep.2026 16:44 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Sep 03 1629 UTC
Estimate Velocity: 1,359 km/s
Comment:
· ·
03.Sep.2026 10:31 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3733
Begin Time: 2026 Aug 31 1146 UTC
Yesterday Maximum 2MeV Flux: 1239 pfu
Max time: 2026 Sep 03 1020 UTC
· ·
02.Sep.2026 19:55 UTC · ALERT: Type IV Radio Emission
Begin Time: 2026 Sep 02 1920 UTC
Comment:
· ·
02.Sep.2026 19:45 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Sep 02 1919 UTC
Estimate Velocity: 1,181 km/s
Comment:
· ·
02.Sep.2026 10:14 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3732
Begin Time: 2026 Aug 31 1146 UTC
Yesterday Maximum 2MeV Flux: 1201 pfu
Max time: 2026 Sep 02 1000 UTC
· ·
01.Sep.2026 07:37 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3731
Begin Time: 2026 Aug 31 1146 UTC
Yesterday Maximum 2MeV Flux: 1030 pfu
Max time: 2026 Sep 01 0730 UTC
· ·
31.Aug.2026 11:47 UTC · ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026 Aug 31 1146 UTC
Station: GOES-19
Comment: Yesterday's max: 1264 pfu
· ·
31.Aug.2026 08:58 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Aug 31 0858 UTC
Valid To: 2026 Aug 31 1500 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
30.Aug.2026 05:55 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5409
Valid From: 2026 Aug 28 1409 UTC
Now Valid Until: 2026 Aug 30 2359 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
29.Aug.2026 11:42 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5408
Valid From: 2026 Aug 28 1409 UTC
Now Valid Until: 2026 Aug 30 0600 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
28.Aug.2026 23:50 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5407
Valid From: 2026 Aug 28 1409 UTC
Now Valid Until: 2026 Aug 29 1200 UTC
Warning Condition: Persistence
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
28.Aug.2026 20:40 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Aug 28 2039 UTC
Valid To: 2026 Aug 29 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.
28.Aug.2026 15:02 UTC · ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 Aug 28 1500 UTC
Synoptic Period: 1500-1800
Active Warning: YES
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
28.Aug.2026 14:11 UTC · WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Aug 28 1409 UTC
Valid To: 2026 Aug 28 2359 UTC
Warning Conditions: Onset
Comment:
· NOAA Space Weather Scale descriptions can be found at · www.swpc.noaa.gov/noaa-scales-explanation
27.Aug.2026 09:34 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3729
Begin Time: 2026 Aug 21 1105 UTC
Yesterday Maximum 2MeV Flux: 1049 pfu
Max time: 2026 Aug 27 0925 UTC
· ·