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##Quelle: https://services.swpc.noaa.gov/products/alerts.json
Zeitraum: 1 Monat ( 25.Mar.2026 07:22 UTC - 24.Apr.2026 08:12 )
24.Apr.2026 08:12 UTC · ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026 Apr 24 0812 UTC · NOAA Scale: R2 - Moderate ·
24.Apr.2026 05:05 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3683 · Begin Time: 2026 Apr 19 1920 UTC · Yesterday Maximum 2MeV Flux: 3446 pfu
24.Apr.2026 01:31 UTC · SUMMARY: X-ray Event exceeded X1
Begin Time: 2026 Apr 24 0051 UTC · Maximum Time: 2026 Apr 24 0107 UTC · End Time: 2026 Apr 24 0113 UTC
24.Apr.2026 01:29 UTC · SUMMARY: 10cm Radio Burst
Begin Time: 2026 Apr 24 0103 UTC · Maximum Time: 2026 Apr 24 0104 UTC · End Time: 2026 Apr 24 0109 UTC
24.Apr.2026 01:08 UTC · ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026 Apr 24 0105 UTC · NOAA Scale: R2 - Moderate ·
23.Apr.2026 17:23 UTC · SUMMARY: 10cm Radio Burst
Begin Time: 2026 Apr 23 1703 UTC · Maximum Time: 2026 Apr 23 1705 UTC · End Time: 2026 Apr 23 1707 UTC
23.Apr.2026 14:52 UTC · SUMMARY: 10cm Radio Burst
Begin Time: 2026 Apr 23 1355 UTC · Maximum Time: 2026 Apr 23 1356 UTC · End Time: 2026 Apr 23 1357 UTC
23.Apr.2026 09:14 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Apr 23 0859 UTC · Estimated Velocity: 722 km/s ·
23.Apr.2026 08:59 UTC · SUMMARY: 10cm Radio Burst
Begin Time: 2026 Apr 23 0844 UTC · Maximum Time: 2026 Apr 23 0844 UTC · End Time: 2026 Apr 23 0844 UTC
23.Apr.2026 05:35 UTC · ALERT: Type IV Radio Emission
Begin Time: 2026 Apr 23 0513 UTC · · Comment: Report from San Vito
23.Apr.2026 05:10 UTC · ALERT: Type II Radio Emission
Begin Time: 2026 Apr 23 0450 UTC · Estimated Velocity: 1033 km/s ·
23.Apr.2026 04:59 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3682 · Begin Time: 2026 Apr 19 1920 UTC · Yesterday Maximum 2MeV Flux: 4922 pfu
22.Apr.2026 05:03 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3681 · Begin Time: 2026 Apr 19 1920 UTC · Yesterday Maximum 2MeV Flux: 4987 pfu
21.Apr.2026 16:51 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5325 · Valid From: 2026 Apr 20 0805 UTC · Now Valid Until: 2026 Apr 21 2359 UTC
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
21.Apr.2026 13:41 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3680 · Begin Time: 2026 Apr 19 1920 UTC · Yesterday Maximum 2MeV Flux: 1344 pfu
21.Apr.2026 05:45 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5324 · Valid From: 2026 Apr 20 0805 UTC · Now Valid Until: 2026 Apr 21 1800 UTC
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
21.Apr.2026 05:44 UTC · EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2228 · Valid From: 2026 Apr 21 0110 UTC · Now Valid Until: 2026 Apr 21 1500 UTC
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
21.Apr.2026 01:53 UTC · ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026 Apr 21 0148 UTC · Synoptic Period: 0000-0300 UTC ·
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
21.Apr.2026 01:10 UTC · EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5323 · Valid From: 2026 Apr 20 0805 UTC · Now Valid Until: 2026 Apr 21 1200 UTC
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
21.Apr.2026 01:10 UTC · WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Apr 21 0110 UTC · Valid To: 2026 Apr 21 0600 UTC · Warning Condition: Persistence
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
20.Apr.2026 20:23 UTC · CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3679 · Begin Time: 2026 Apr 19 1920 UTC · Yesterday Maximum 2MeV Flux: 1297 pfu