[Ips-wsgr] IPS Weekly Solar and Geophysical Report (17 April 15) issued 0409 UT on 17 Apr 2015
rwc
rwc at ips.gov.au
Fri Apr 17 14:09:33 EST 2015
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 17 APRIL 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 APRIL - 16 APRIL)
Date 10 11 12 13 14 15 16
10cm 115 123 134 NA 147 155 150
AFr 21 14 NA 12 9 20 ( 25)
Aaus 20 11 2 5 9 16 ( 21)
T 109 104 71 90 92 97 91
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
10 Apr
Solar: low
Geomagnetic: Quiet to Minor Storm
In the IPS magnetometer data for 10 Apr, a weak (15nT) impulse
was observed at 1235UT.
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
No data available during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Enhanced 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.
11 Apr
Solar: low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Mostly 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.
12 Apr
Solar: moderate, with an M1 at 0950UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
No data available during local night.
Niue Island Region:
No data available .
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Southern Australian and New Zealand 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.
13 Apr
Solar: low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
No data available during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 20% over the UT day.
14 Apr
Solar: low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 20% during local night.
Northern Australian Region:
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.
15 Apr
Solar: low
Geomagnetic: Quiet to Active
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Enhanced by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 55% during local night.
Enhanced by 20% after local dawn.
Southern Australian and New Zealand 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.
16 Apr
Solar: low
Geomagnetic: Unsettled to Active
Frequencies:
Cocos Island Region:
Enhanced by 35% during local day.
Enhanced by 30% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values.
Enhanced by 25% after local dawn.
Southern Australian and New Zealand Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
2. FORECAST (17 APRIL - 23 APRIL)
Solar: Moderate activity possible early in week otherwise mostly low levels
expected.
Geomagnetic: Isolated active and possible minor storm periods early in the
week declining to mostly quiet to unsettled for the remainder of the forecast
period.
Frequencies: Depressions for southern regions (mid-high latitudes) early in the
forecast period otherwise MUFs should be mostly near predicted monthly values.
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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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