Solar Storms at S1 Solar Radiation Storm
Reported by SWPC yesterday.
What the source measured
SWPC reported: S1 solar radiation storm. Minor radiation effects at high altitudes.
How we know
Confirmed by 2 independent sources, including SWPC.
Our own score for this event is 17 out of 100, at 67 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Solar Storms |
| Severity | High |
| Calamity Score (ours) | 17 / 100 |
| Our confidence | 67% |
| Coordinates | 0.0000, 0.0000 |
| Timestamp | 2026-09-06T09:55:17.633Z |
| Source | https://www.swpc.noaa.gov/products/alerts-watches-and-warnings |
Score Breakdown
Technical Details
| Scale | S1 |
| EventType | solar_radiation |
| Soho Lasco ActivityId | 2026-09-06T10:53:00-CME-001 |
| Soho Lasco SpeedKms | 1085 |
| Soho Lasco HalfAngleDeg | 37 |
| Soho Lasco IsHalo | true |
| Soho Lasco EarthDirected | false |
| Soho Lasco EventType | cme |
| Soho Lasco Note | This CME is visible to the east in STEREO A COR2 imagery only. This event is not seen in SOHO LASCO C2/C3 or GOES CCOR-1 in real-time due to data gaps starting around 2206-09-06T03:30Z. The source is an eruption and C5.0 flare from Active Region 14524 (N12E32) starting around 2026-09-06T10:36Z as se |
| MergedSources | [{"id":"soho_lasco_2026_09_06T07_38_00_CME_001","source":"soho_lasco","severity":"low","severityValue":20,"timestamp":1788680280000,"latitude":0,"longitude":0},{"id":"soho_lasco_2026_09_06T10_53_00_CME_001","source":"soho_lasco","severity":"high","severityValue":75,"timestamp":1788691980000,"latitude":0,"longitude":0}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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Calamity.live data shows a solar storm event with CalamityScore 17/100, at S1 Solar Radiation Storm, based on data from swpc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.