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Prediction for CME (2024-03-17T03:36:00-CME-001)CME Observed Time: 2024-03-17T03:36ZiSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/29631/-1 CME Note: This CME is visible to the S/SE in coronagraph imagery. The source is a filament eruption spanning S45E05 to S15W40 seen in SDO AIA 131, 171, 193, and 304 imagery starting around 2024-03-17T02:30Z. A large western portion of the filament appears to deflect south/southeast, which is likely associated with this event. Dimming is visible from the eruption site in SDO AIA 193 shortly after the filament lifts-off and field line movement can be seen near the S/SW limb at this time in SDO AIA 171. Post-eruptive loops begin to form around 04:30Z. This event partially overlaps CME: 2024-03-17T03:12Z, which also likely stems from the same filament eruption. Arrival signature is likely of a combined arrival of these two CMEs. It is characterized by an increase in magnetic field to 14nT in what is likely the CME sheath, followed after 2024-03-21T10:49Z by smooth rotation of magnetic field components in what is likely the flux rope. CME Shock Arrival Time: 2024-03-21T01:50Z Observed Geomagnetic Storm Parameters due to CME: ---- Predicted Arrival Time: 2024-03-21T04:36Z (-9.6h, +9.6h) Confidence that the CME will arrive: 80.0% Predicted geomagnetic storm max Kp range due to CME: 4.0 - 6.0 Prediction Method: IZMIRAN Prediction Method Note: Initial CME velocity = 380 km/s Background SW velocity = 280 km/s Heliolongitude = 10 degLead Time: 64.27 hour(s) Difference: -2.77 hour(s) Prediction submitted by Nataly Shlyk (IZMIRAN) on 2024-03-18T09:34Z |
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