[Ips-wsgr] IPS Weekly Solar and Geophysical Report (22 April 16) issued 0055 UT on 22 Apr 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Fri Apr 22 10:55:06 EST 2016
SUBJ: SWS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 22 APRIL 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (15 APRIL - 21 APRIL)
Date 15 16 17 18 19 20 21
10cm 112 113 102 95 89 83 77
AFr 9 8 17 7 3 4 ( 6)
Aaus 3 11 11 4 0 1 ( 2)
T 22 27 20 11 13 19 20
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
15 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Enhanced by 15% during local day.
Depressed by 30% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Southern Australian Region:
Depressed by 30% during local day.
Depressed by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
16 Apr
Solar: Low
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
Enhanced by 30% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
17 Apr
Solar: Low
Geomagnetic: Quiet to Unsettled
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 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 40% during local night.
Southern Australian Region:
Depressed by 35% during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
18 Apr
Solar: High, with an M6.7 at 0029UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 35% 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:
Depressed by 30% during local day.
Depressed by 30% during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
19 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Niue Island Region:
Depressed by 20% 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 40% during local night.
Depressed by 25% after local dawn.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
20 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 40% during local night.
Northern Australian Region:
Depressed by 25% during local day.
Depressed by 40% during local night.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
21 Apr
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Depressed by 15% during local day.
Depressed by 35% during local night.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 45% 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.
Depressed by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
2. FORECAST (22 APRIL - 28 APRIL)
Solar:
Very Low to Low
Geomagnetic:
Active on 23-24 Apr. Quiet to unsettled on other days.
Frequencies:
Moderate MUF depressions likely 23-24-Apr.
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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