[Ips-wsgr] IPS Weekly Solar and Geophysical Report (30 December 11) issued 0205 UT on 30 Dec 2011
rwc
rwc at ips.gov.au
Fri Dec 30 13:05:25 EST 2011
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 30 DECEMBER 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (23 DECEMBER - 29 DECEMBER)
Date 23 24 25 26 27 28 29
10cm 138 143 144 146 140 145 147
AFr 2 2 3 2 2 4 ( 5)
Aaus 2 3 3 2 1 8 ( 10)
T 133 132 133 132 128 137 125
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
23 Dec
Solar: low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian and New Zealand Region:
Enhanced by 20% during local day.
Enhanced by 15% during local night.
Enhanced by 30% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
24 Dec
Solar: low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available from Cocos Island.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Southern Australian and New Zealand Region:
Enhanced by 15% during local day.
Enhanced by 20% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
25 Dec
Solar: moderate, with an M4.0 at 1816UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 30% during local night.
Southern Australian and New Zealand Region:
Enhanced by 25% during local day.
Enhanced by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
26 Dec
Solar: moderate, with an M1.5 at 0228UT , and an M2.0 at
2019UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
27 Dec
Solar: low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Enhanced by 30% during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian and New Zealand Region:
Enhanced by 20% during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
28 Dec
Solar: low
Geomagnetic: Quiet to Unsettled
A weak (11nT) impulse was observed in the IPS magnetometer data at
1115UT on 28 Dec.
Frequencies:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Southern Australian and New Zealand Region:
Enhanced by 15% during local day.
Enhanced by 30% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
29 Dec
Solar: moderate, with an M1.9 at 1350UT , and an M2.0 at
2152UT
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
No data.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Southern Australian and New Zealand Region:
Enhanced by 20% during local day.
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
2. FORECAST (30 DECEMBER - 05 JANUARY)
Solar:Low to Moderate.
Geomagnetic:Possible active periods 30 Dec.
Quiet to Unsettled otherwise.
Frequencies:
MUFs near predicted monthly values.
Possible depressions at times for high latitudes.
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au/1/2/1.
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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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