[Ips-wsgr] SWS Weekly Solar and Geophysical Report (28 September 18) issued 0332 UT on 28 Sep 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Fri Sep 28 13:32:25 EST 2018
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 28 SEPTEMBER 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (21 SEPTEMBER - 27 SEPTEMBER)
Date 21 22 23 24 25 26 27
10cm 67 68 68 69 68 69 67
AFr 6 20 9 5 7 6 ( 6)
Aaus 3 15 8 6 13 5 ( 5)
T -6 5 -7 -16 -9 -9 -12
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
21 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Mostly near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
22 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Enhanced by 25% after local dawn.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
23 Sep
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
24 Sep
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
25 Sep
Solar: Very low
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
26 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
27 Sep
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
2. FORECAST (28 SEPTEMBER - 04 OCTOBER)
Solar:
Low
Geomagnetic:
Possibly unsettled on 01-02 Oct, otherwise quiet
Frequencies:
MUFs near predicted monthly values.
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
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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