[ips-sf] SWS Summary Forecast for 28 February - issued 2334UT/27-Feb-2019 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Thu Feb 28 10:34:51 EST 2019

The Sun is currently spotless, Very Low solar activity is expected for
today, UT day 28 February. The Earth is currently under the influence
of elevated solar wind speed associated with a negative polarity
coronal hole. Geomagnetic activity in the Australian region is
expected to be Unsettled to Active and at times may even reach Minor
Storm levels today, 28 February. A period of significant southward Bz
component could produce a Major Storm period over the next 24 hours.
High-frequency radio communication users are advised to use slightly
lower to near predicted monthly frequencies due to very low levels of
ionising radiation from the Sun and disturbed geomagnetic conditions
associated with the coronal hole.

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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