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Prediction for CME (2024-09-14T15:36:00-CME-001)

CME Observed Time: 2024-09-14T15:36Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/33434/-1
CME Note: Partial halo CME seen to the southeast in SOHO C2/C3 and not yet observed in STEREO A due to a data gap. Associated with a powerful X4.5-class solar flare from AR3825 (S18E55) and subsequent strong eruption, characterized by intense brightening in SDO 131 and fast ejecta seen best in GOES 284 as well as a large, fast EUV wave associated with the eruption traversing back towards the northwest seen best in SDO 171/193 that covers approximately half the solar disk. The arrival of this CME is characterized by a significant increase in B_total from ~9nT to ~15nT, eventually reaching 20 nT by 2024-09-17T01:35Z with simultaneous increases in solar wind temperature, density, and velocity, which reached a peak sustained velocity of 560 km/s. By 2024-09-17T01:39Z, the magnetic field components begin to stabilize with time with steady -Bx and -Bz components dominate the signature until 2024-09-17T12:00Z. There is evidence of a clear flux rope signature.
CME Shock Arrival Time: 2024-09-16T22:49Z
Observed Geomagnetic Storm Parameters due to CME:
Max Kp: 7.67

Predicted Arrival Time: 2024-09-16T15:38Z (-7.0h, +7.0h)
Predicted geomagnetic storm max Kp range due to CME: 6.0 - 8.0
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 update (Lucy, Parker Solar Probe, STEREO A, Missions Near Earth)
##
## Message Issue Date: 2024-09-14T19:45:58Z
## Message ID: 20240914-AL-007
##
## 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:

Update on CME with ID 2024-09-14T15:36:00-CME-001 (see previous notification 20240914-AL-006). 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 Lucy, Parker Solar Probe, and STEREO A (minor impact).  The leading edge of the CME will reach Lucy at 2024-09-16T14:25Z, Parker Solar Probe at 2024-09-15T12:01Z, and STEREO A at 2024-09-17T03:00Z (plus minus 7 hours). 

The simulation also indicates that the CME may impact NASA missions near Earth. Simulations indicate that the leading edge of the CME will reach NASA missions near Earth at about 2024-09-16T15:38Z (plus minus 7 hours). The roughly estimated expected range of the maximum Kp index is 6-8 (moderate to severe).

Updated CME parameters are (event upgraded/downgraded to O-type):

Start time of the event: 2024-09-14T15:36Z.

Estimated speed: ~1070 km/s.

Estimated opening half-angle: 51 deg.

Direction (lon./lat.): -50/8 in Heliocentric Earth Equatorial coordinates.

Activity ID: 2024-09-14T15:36:00-CME-001


Links to the movies of the modeled event (includes CME: 2024-09-14T15:36:00-CME-001):

http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_anim.tim-den-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_anim.tim-vel-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_ENLIL_CONE_PSP_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_ENLIL_CONE_STA_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240914_180800_2.0_ENLIL_CONE_Lucy_timeline.gif


## Notes: 

This CME event (2024-09-14T15:36:00-CME-001) is associated with X4.5 flare from AR 13825 (S18E55) with ID 2024-09-14T15:13:00-FLR-001 which peaked at 2024-09-14T15:29Z (see notifications 20240914-AL-004, 20240914-AL-005).


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: 51.07 hour(s)
Difference: 7.18 hour(s)
Prediction submitted by Chris Stubenrauch (M2M Office) on 2024-09-14T19:45Z
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