CME Halo (Earth-directed) — 1862 km/s
Coronal Mass Ejection detected at 2026-08-21T09:36Z. Linear speed: 1862 km/s. Half-angle: 45°. Full halo CME — potential global geomagnetic impact. ENLIL model indicates Earth-directed component. This CME is visible to the NW in SOHO LASCO C2 before a data gap, to the NW in GOES CCOR-1, and as a halo with the bulk portion directed to the W/NW in STEREO A COR2 imagery. The source for this CME i
Geographic Context
This solar storm event occurred at coordinates 0.00°, 0.00°.
Event Assessment
This event is a solar storm event classified as critical severity. Calamity.live has classified it as "critical" severity with a severity value of 90. The computed Calamity Score is 22 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), intensity (20), population (20). Data for this event was sourced from soho_lasco, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
This solar storm event is being tracked through Calamity.live's global monitoring network, which aggregates data from 250 scientific sources. Real-time monitoring and multi-source verification help ensure data accuracy and timely reporting of significant natural hazard events worldwide.
Event Data
| Type | Solar Storm |
| Severity | critical |
| Severity Value | 90 |
| Calamity Score | 22 / 100 |
| Confidence | 50% |
| Coordinates | 0.0000, 0.0000 |
| Timestamp | 2026-08-21T09:36:00.000Z |
| Source | https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/48186/-1 |
Score Breakdown
Technical Details
| ActivityId | 2026-08-21T09:36:00-CME-001 |
| SpeedKms | 1862 |
| HalfAngleDeg | 45 |
| IsHalo | true |
| EarthDirected | true |
| EventType | cme |
| Note | This CME is visible to the NW in SOHO LASCO C2 before a data gap, to the NW in GOES CCOR-1, and as a halo with the bulk portion directed to the W/NW in STEREO A COR2 imagery. The source for this CME is a long duration M1.6 flare from Active Region 14507 (N04W88) as seen in SDO/AIA 131 with associate |
Safety Information
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This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a solar storm event with CalamityScore 22/100, based on data from soho_lasco. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.