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Prediction Detail

Prediction for CME (2018-08-20T21:24:00-CME-001)

CME Observed Time: 2018-08-20T21:24Z
CME Note: The CME is associated with a filament eruption occurring around 2018-08-20T18:00Z at N40W05 in SDO 193.
CME Shock Arrival Time: 2018-08-25T06:00Z
Observed Geomagnetic Storm Parameters due to CME:
Max Kp: 7.0
Dst min. in nT: -169
Dst min. time: 2018-08-26T07:00Z

Predicted Arrival Time: 2018-08-25T01:08Z (-6.0h, +6.0h)
Prediction Method: EAM (Effective Acceleration Model)
Prediction Method Note:
% Compiled module: EAM_V2.
Vo = 310 km/s
u_r =      359.886 km/s
Acceleration:      0.318841 m/s^2
Duration in seconds:        359084.60
Duration in days:        4.1560718
t2 is negative
Acceleration of the CME:   0.32 m/s^2
Velocity of the CME at 1 AU:  474.4 km/s
Expected date and time for the arrival of the CME: 25/08/2018 Time: 01:08 UT
Lead Time: 69.00 hour(s)
Difference: 4.87 hour(s)
Prediction submitted by Evangelos Paouris (UoA) on 2018-08-22T09:00Z
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Important Disclaimer Notice

If you are looking for the official U.S. Government forecast for space weather, please go to NOAA's Space Weather Prediction Center ( This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

NASA Official: Dr. Maria Kuznetsova
Curator: Chiu Wiegand