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Prediction Detail

Prediction for CME (2019-05-12T19:54:00-CME-001)

CME Observed Time: 2019-05-12T19:54Z
CME Note: There is no clear signature arrival for this specific CME. The arrival attributed to the 2019-05-13T16:09Z CME is also very weak and difficult to be certain about it.
CME was not detected at Earth.
Observed Geomagnetic Storm Parameters due to CME:

Predicted Arrival Time: 2019-05-16T21:04Z (-4.0h, +4.0h)
Prediction Method: EAM (Effective Acceleration Model)
Prediction Method Note:
% Compiled module: EAM_V2.
Vo = 340.0 km/s
u_r =      390.7 km/s
Acceleration:      0.211 m/s^2
Duration in seconds:        349804.88
Duration in days:        4.0486676
Acceleration of the CME:  0.21 m/s^2
Velocity of the CME at 1 AU:  464.6 km/s
Expected date and time for the arrival of the CME: 16/05/2019 Time: 21:04 UT
Lead Time: 84.57 hour(s)
Difference: -----
Prediction submitted by Evangelos Paouris (UoA) on 2019-05-13T08:30Z
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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