CME ScoreBoard Header

CME Scoreboard

CME Scoreboard: Prediction Detail

Prediction for CME (2017-09-04T20:36:00-CME-001)

CME Observed Time: 2017-09-04T20:36Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/12989/-1
CME Note: Associated with M5.5 flare from AR 12673. CME start time was updated from 2017-09-04T23:06Z. Note that there was also a CME starting on 2017-09-04T19:39Z that was slightly slower but in a similar direction and was likely "merged" with the faster 2017-09-04T20:36Z CME.
CME Shock Arrival Time: 2017-09-06T23:08Z
Observed Geomagnetic Storm Parameters due to CME:
Max Kp: 4.0
Dst min. in nT: -23
Dst min. time: 2017-09-07T09:00Z

Predicted Arrival Time: 2017-09-06T22:00Z (-6.0h, +6.0h)
Confidence that the CME will arrive: 70.0%
Predicted geomagnetic storm max Kp range due to CME: 5.0 - 8.0
Prediction Method: WSA-ENLIL + Cone (Met Office)
Prediction Method Note:

Met Office ENLIL settings.
ENLIL version: 2.7
Resolution: medium-res (512x60x180) (X1=0.1-1.7/uniform X2=30.-150./uniform X3=0.-360./uniform)
Ambient settings: a3b2-sa1
WSA version: 2.2

Please specify following CME input parameters.
Time at 21.5Rs boundary: 2017-09-04T23:42Z
Radial velocity (km/s): 1200
Longitude (deg): W6
Latitude (deg): S15
Half-angular width (deg): 41

Notes: ENLIL has arrival time nearer 07/0200Z however background solar wind speed is considered significantly too low so predicted arrival time has been brought forward.
Space weather advisor: DUTY ADVISOR

Lead Time: 32.38 hour(s)
Difference: 1.13 hour(s)
Prediction submitted by Met Office (Met Office) on 2017-09-05T14:45Z

CME Scoreboard Footer

CCMC Rules of the Road: CCMC requests that users notify the CCMC, CME model/technique developers and submitting forecasters/researchers before performing event and validation studies with data from the CME Arrival Time Scoreboard. It is recommended that such studies be performed with the knowledge and collaboration of developers and submitting forecasters/researchers.

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

Curator: Chiu Wiegand | NASA Official: Dr. Masha Kuznetsova | Privacy and Security Notices | Accessibility | CCMC Data Policy