[ips-sf] SWS Summary Forecast for 22 May - issued 2335UT/21-May-2017 [SEC=UNCLASSIFIED]

[rwc]

Solar activity was very low on UT day 21 May. Solar wind stream is
expected to stay strong for the next two days due to the continued
effect of a coronal hole. Very low levels of solar activity with some
possibility of isolated C-class event may be expected for the next
three days (22 to 24 May). Geomagnetic activity stayed mostly at quiet
to unsettled levels today with some active periods. Mostly unsettled
levels of geomagnetic activity may be expected on 22 May with the
possibility of some quiet and some active periods. Geomagnetic
activity is expected to decline to and stay mostly at quiet to
unsettled levels on 23 and 24 May. HF conditions and MUFs stayed close
to the normal values with minor MUF enhancements recorded in some
low-latitude regions. Mostly normal HF conditions and MUFs may be
expected from 22 to 24 May with some possibility of minor to mild MUF
depressions on 22 May.

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

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