[ips-sf] IPS Summary Forecast for 20 September - issued 0002UT/20-Sep-2015

rwc rwc at ips.gov.au
Sun Sep 20 10:02:56 EST 2015

Low level solar activity is expected for 20 September. The CME
observed during 18 September in association with the long duration
C2.6 flare is primarily directed southward out of the ecliptic plane
and is expected to have only a glancing impact around 16UT on 20
September. Mildly elevated solar wind speeds persisted during 19
September and are expected to increase slightly during 20 September
with the impact of the CME. ACE EPAM data indicates an energetic ion
enhancement event beginning 19/2045UT, which may be a precursor to the
arrival of the anticipated CME. Isolated active and minor storm
periods at high latitudes are possible with the CME arrival with
mostly quiet to unsettled levels prior. Degraded HF conditions are
expected to continue over the next few days.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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