[Ips-wsgr] IPS Weekly Solar and Geophysical Report (29 April 16) issued 0119 UT on 29 Apr 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Fri Apr 29 11:19:05 EST 2016
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 29 APRIL 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (22 APRIL - 28 APRIL)
Date 22 23 24 25 26 27 28
10cm 77 79 82 82 85 93 95
AFr 13 11 11 6 6 11 ( 6)
Aaus 8 6 9 2 5 7 ( 2)
T 22 29 31 30 24 29 32
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
22 Apr
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 40% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
23 Apr
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 45% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 40% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
24 Apr
Solar: Very low
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 40% during local night.
Southern Australian Region:
Near predicted monthly values 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 Apr
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 35% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Southern Australian Region:
Depressed by 15% during local day.
No data available during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
26 Apr
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% 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.
27 Apr
Solar: Very low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% 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.
28 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 35% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
2. FORECAST (29 APRIL - 05 MAY)
Solar:
Low
Geomagnetic:
Active on 29 Apr to 1 May. Possible Minor Storm periods 30 Apr to 1 May. Quiet
to unsettled on other days.
Frequencies:
Moderate MUF depressions likely 29 Apr to 1 May.
MUFs near predicted monthly values on other days.
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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