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Prediction for CME (2024-02-21T18:36:00-CME-001)

CME Observed Time: 2024-02-21T18:36Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/29338/-1
CME Note: Wide partial halo CME to the west, associated with a beautiful filament eruption seen after 2024-02-21T17:30Z in AIA 304 traversing the western part of the disk and later as prominence off the western limb in SUVI 304. There is also an area of deep dimming and post eruptive arcades centered at (~N05W40) and stretching along 40th longitude (from lat -3 to 20) in AIA 193 associated with this eruption.
CME Shock Arrival Time: 2024-02-24T16:16Z
Observed Geomagnetic Storm Parameters due to CME:
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Predicted Arrival Time: 2024-02-25T03:00Z (-9.0h, +9.0h)
Confidence that the CME will arrive: 30.0%
Predicted geomagnetic storm max Kp range due to CME: 2.0 - 5.0
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: 2024-02-22T01:15Z
Radial velocity (km/s): 540
Longitude (deg): 046W
Latitude (deg): 05S
Half-angular width (deg): 50 

Notes: Glancing impact at most. Low confidence in fit due to lack of StA.
Space weather advisor: Kirk Waite

Lead Time: 0.27 hour(s)
Difference: -10.73 hour(s)
Prediction submitted by Met Office (Met Office) on 2024-02-24T16:00Z

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