[Ips-wsgr] IPS Weekly Solar and Geophysical Report (21 September 12) issued 0212 UT on 21 Sep 2012
rwc
rwc at ips.gov.au
Fri Sep 21 12:12:09 EST 2012
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 21 SEPTEMBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (14 SEPTEMBER - 20 SEPTEMBER)
Date 14 15 16 17 18 19 20
10cm 101 98 97 102 104 110 117
AFr 5 5 7 6 7 13 ( 10)
Aaus 4 5 6 5 7 9 ( 9)
T 64 74 63 65 79 73 82
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
14 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values 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 and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
15 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
16 Sep
Solar: Very low
Geomagnetic: Quiet with an isolated Unsettled period.
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Depressed by 30% after local dawn.
Niue Island Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
17 Sep
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
18 Sep
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Niue Island Region:
Enhanced by 15% during local day.
Depressed 15-30% 12-17UT.
Northern Australian Region:
Darwin enhanced 15-30% 04-06, 10-15UT.
Depressed 30% 16-20UT.
Townsville depressed 15% before local dawn.
Learmonth near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
19 Sep
Solar: Low
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
Enhanced 15% 07-09UT,
otherwise near predicted monthly values.
Niue Island Region:
Enhanced by 15% over the UT day.
Northern Australian Region:
Darwin enhanced to 40% 04-08UT,
depressed 30% 14-18UT.
Townsville depressed 15% 06-12, 15-19UT.
Learmonth depressed 20% 11-15UT.
Southern Australian and New Zealand Region:
Brisbane, Norfolk I. depressed 5-15%
03-14, 17-21UT.
Perth enhanced 30% 15-21UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
20 Sep
Solar: Low
Geomagnetic: Quiet to Unsettled
In the IPS magnetometer data for 20 Sep, a weak (14nT) impulse
was observed at 0624UT.
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Enhanced 15% 05-06UT. Depressed 15-30% 08-18UT.
Enhanced by 20% after local dawn.
Northern Australian Region:
Darwin depressed 20% 02-04, 17-18UT.
Otherwise near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Christchurch depressed 15% 00-07UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed to 30% at times.
2. FORECAST (21 SEPTEMBER - 27 SEPTEMBER)
Solar:
Low
Geomagnetic:
Quiet to unsettled conditions.
Frequencies:
MUFs near predicted monthly values. Variable enhancements/depressions
possible at times Equatorial/N Aus regions.
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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