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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: 2019-05-16T12:00Z
Prediction Method: Other (SIDC)
Prediction Method Note:
:Issued: 2019 May 13 1240 UTC
:Product: documentation at
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
A filament eruption in the vicinity of NOAA region 2741 was observed in AIA imagery
around 19h UT on May 12. LASCO C2 and C3 imagery show a halo CME first observed in
LASCO C2 at 20:36 UT on May 12. Based on STEREO COR2 A imagery, the CME speed is
estimated at 530 km/s. Since the filament eruption took place near the centre of the
solar disc, we expect the ICME to arrive at
Earth, in the second half of May 16.
# Solar Influences Data analysis Center - RWC Belgium                #
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Lead Time: 47.33 hour(s)
Difference: -----
Prediction submitted by Yaireska Collado (GSFC) on 2019-05-14T12:40Z
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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