[ips-sf] IPS Summary Forecast for 04 September - issued 0003UT/04-Sep-2015

rwc rwc at ips.gov.au
Fri Sep 4 10:03:59 EST 2015

Solar activity during the past 24 hours was very low. The north-south
component of interplanetary magnetic field, Bz, has been strongly
southward over the last 3 hrs. This is one of the prerequisites of
geomagnetic disturbances. However, the current solar wind speeds are
at moderate levels, which are unfavourable to cause any major
geomagnetic disturbance. If the solar wind speeds elevate in the
coming 24 hours, active to minor storm conditions are possible. If
this happens, there is chance that aurora would be visible during the
local night hours of the 4 Sep from Tasmania and other southern most
regions of Australia. Conditions for HF radio wave propagation are
still unusually depressed.

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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