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Prediction for CME (2023-11-09T12:23:00-CME-001)CME Observed Time: 2023-11-09T12:23ZiSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/27655/-1 CME Note: Halo CME visible in SOHO LASCO C2/C3 and STEREO A COR2. The start time is based off of STEREO A COR2 imagery due to a data gap in SOHO at the time of this DONKI entry. The eruption starts around 2023-11-08T10:42Z and is primarily characterized as a broad region of dimming centered around S10W10 near AR 3480. A piece of a filament may have erupted as seen in SDO AIA 304. This CME is associated with a C2.6 flare from AR 3480 peaking at 2023-11-09T11:18Z best seen in SDO AIA 131. Dimming is visible in SDO AIA 193, post-eruptive arcades can be best seen in SDO AIA 94/193, and opening field lines are visible in SDO AIA 171. Increase in B_total from 1.8 nT to 5.12 nT, eventually reaching a maximum of 8.3 nT, accompanied by an increase in speed from 450 km/s to approx. 530 km/s, which reached a maximum of approx. 580 km/s. Rotation is also seen in the magnetic field components, and Bz reaches near -5.8 nT. Accompanied by increases in density and temperature. CME Shock Arrival Time: 2023-11-12T05:30Z Observed Geomagnetic Storm Parameters due to CME: Max Kp: 4.0 Predicted Arrival Time: 2023-11-11T14:00Z (-6.0h, +6.0h) Confidence that the CME will arrive: 80.0% Predicted geomagnetic storm max Kp range due to CME: 5.0 - 7.0 Prediction Method: WSA-ENLIL + Cone (Met Office) Prediction Method Note: Met Office ENLIL settings. ENLIL version: 2.7 Resolution: medium-res (512x60x180) (X1=0.1-1.7/uniform X2=30.-150./uniform X3=0.-360./uniform) Ambient settings: a3b2-sa1 WSA version: 4.5 GONG: mrzqs Note that this arrival time forecast is based on the simulation but is then adjusted by a human-in-the-loop. Please specify following CME input parameters. Time at 21.5Rs boundary: Radial velocity (km/s): Longitude (deg): Latitude (deg): Half-angular width (deg): Notes: Space weather advisor:Lead Time: 47.17 hour(s) Difference: 15.50 hour(s) Prediction submitted by Met Office (Met Office) on 2023-11-10T06:20Z |
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