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Prediction for CME (2024-04-11T07:00:00-CME-001)

CME Observed Time: 2024-04-11T07:00Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/30007/-1
CME Note: Faint CME visible to the NE in SOHO LASCO C2/C3 and STEREO A COR2. The start time is unclear due to the CME's faintness. The candidate source is a filament eruption centered around N20E10, with liftoff starting around 2024-04-11T05:48Z in SDO AIA 304. The filament can be seen deflecting to the east. The eruption is also best seen as dimming in SDO AIA 193. STEREO A EUV 195/304 also observes the eruption. ARRIVAL: characterized by an amplification of magnetic field components with Btotal increasing from 4nT at 2024-04-15T17:27Z to 10nT at 19:22Z. A subsequent minor increase in solar wind speed was also observed from ~330 km/s at 17:27Z to 390 km/s at 18:14Z. This was accompanied by a slight increase in density as well. A possible flux rope arrival appeared around 2024-04-16T09:30Z for which a stronger amplification of magnetic field components was observed, with Btotal increasing to 13nT at 13:03Z.
CME Shock Arrival Time: 2024-04-15T17:27Z
Observed Geomagnetic Storm Parameters due to CME:
Max Kp: 4.0

Predicted Arrival Time: 2024-04-14T12:00Z (-7.0h, +7.0h)
Predicted geomagnetic storm max Kp range due to CME: 2.0 - 3.0
Prediction Method: WSA-ENLIL + Cone (NASA M2M)
Prediction Method Note:
## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Psyche, STEREO A, Missions Near Earth)
##
## Message Issue Date: 2024-04-12T17:29:46Z
## Message ID: 20240412-AL-002
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.


## Summary:

C-type CME detected by STEREO A / SOHO. 

Start time of the event: 2024-04-11T07:00Z.

Estimated speed: ~911 km/s.

Estimated opening half-angle: 20 deg.

Direction (lon./lat.): -31/6 in Heliocentric Earth Equatorial coordinates.

Activity ID: 2024-04-11T07:00:00-CME-001

Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that this CME may affect Psyche (glancing blow) and STEREO A (glancing blow).  The flank of the CME may reach Psyche at 2024-04-18T18:00Z and STEREO A at 2024-04-14T10:00Z (plus minus 7 hours).

The simulation also indicates that the CME may have a glancing blow at NASA missions near Earth. Simulations indicate that the flank of the CME will reach NASA missions near Earth at about 2024-04-14T12:00Z (plus minus 7 hours). The roughly estimated expected range of the maximum Kp index is 2-3 (below minor).
   

Links to the movies of the modeled event (includes CME: 2024-04-11T07:00:00-CME-001):

http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_anim.tim-den-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_anim.tim-vel-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240411_101800_2.0_ENLIL_CONE_STA_timeline.gif


## Notes: 


SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s


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NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
Lead Time: 71.97 hour(s)
Difference: 29.45 hour(s)
Prediction submitted by Mary Aronne (M2M Office) on 2024-04-12T17:29Z
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