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Prediction for CME (2018-02-12T01:25:00-CME-001)

CME Observed Time: 2018-02-12T01:25Z
CME Note: This partial halo CME is associated with a long duration C1.5 flare peaking at 1:35Z from AR2699.
CME Shock Arrival Time: 2018-02-15T07:38Z
Observed Geomagnetic Storm Parameters due to CME:
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Predicted Arrival Time: 2018-02-15T11:59Z (-12.0h, +12.0h)
Confidence that the CME will arrive: 90.0%
Predicted geomagnetic storm max Kp range due to CME: 3.0 - 4.0
Prediction Method: Other (SIDC)
Prediction Method Note:
:Issued: 2018 Feb 12 1427 UTC
:Product: documentation at http://www.sidc.be/products/presto
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# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
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A halo CME was first observed in the SOHO/LASCO C2 field of view at 01:25 UT today (2018-Feb-12). The CME has a speed of approximately 509 km/s and is anticipated to reach the Earth on 15-Feb-2018 at 12:00 UT. The source region of the CME was NOAA AR 2699 which is presently near disk center.
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Lead Time: 65.18 hour(s)
Difference: -4.35 hour(s)
Prediction submitted by Leila Mays (GSFC) on 2018-02-12T14:27Z
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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 (http://swpc.noaa.gov). 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