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Prediction for CME (2024-01-23T17:36:00-CME-001)

CME Observed Time: 2024-01-23T17:36Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/28730/-1
CME Note: CME seen to the SW in all coronagraphs. Source is very likely an M4.3 class flare from AR 3561 (S17W39) which peaked at 2024-01-23T16:40Z, best seen in SDO AIA 131. Also observed as opening field lines and a small dimming region in SDO AIA 171/193/211, and some filament material erupting in SDO AIA 304. Potential CME arrival signature is characterized by an amplification of magnetic field components, with Btotal reaching 12nT at 2024-01-28T09:34Z and by rotation of two magnetic field components. Closer to 10Z there is rotation of all three magnetic field components and a drop in density. However, this arrival signature is also characterised by a slow increase in solar wind speed from ~350 km/s to just under 490 km/s around 2024-01-29T03Z, accompanied by minor increase in temperature, possibly indicating an admixture of a brief coronal hole high speed stream. Alternative CME candidate could be 2024-01-24T01:36Z CME.
CME Shock Arrival Time: 2024-01-28T03:42Z
Observed Geomagnetic Storm Parameters due to CME:
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Predicted Arrival Time: 2024-01-27T08:00Z (-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 (STEREO A, OSIRIS-APEX, Missions Near Earth)
##
## Message Issue Date: 2024-01-24T14:06:06Z
## Message ID: 20240124-AL-003
##
## 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: 2024-01-23T17:36Z.

Estimated speed: ~562 km/s.

Estimated opening half-angle: 40 deg.

Direction (lon./lat.): 40/-33 in Heliocentric Earth Equatorial coordinates.

Activity ID: 2024-01-23T17:36:00-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 STEREO A and OSIRIS-APEX (glancing blow). The leading edge or flank of the CME will reach STEREO A at 2024-01-27T06:38Z and OSIRIS-APEX at 2024-01-25T16:00Z (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 2024-01-27T08:00Z (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: 2024-01-23T17:36:00-CME-001):

http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_anim.tim-den-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_anim.tim-vel-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_ENLIL_CONE_STA_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20240123_234700_2.0_ENLIL_CONE_Osiris_timeline.gif


## Notes: 

This CME event (2024-01-23T17:36:00-CME-001) is associated with M4.3 flare with ID 2024-01-23T16:36:00-FLR-001 which peaked at 2024-01-23T16:40Z from Active Region 13561 (S17W39).


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: 85.60 hour(s)
Difference: 19.70 hour(s)
Prediction submitted by Mary Aronne (M2M Office) on 2024-01-24T14:06Z
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