[Ips-wsgr] IPS Weekly Solar and Geophysical Report (20 March 15) issued 0146 UT on 20 Mar 2015
rwc
rwc at ips.gov.au
Fri Mar 20 12:46:45 EST 2015
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 20 MARCH 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (13 MARCH - 19 MARCH)
Date 13 14 15 16 17 18 19
10cm 119 116 114 117 114 115 109
AFr 5 5 7 9 46 32 ( 22)
Aaus 5 3 5 12 56 28 ( 19)
T 99 96 101 101 84 25 91
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
13 Mar
Solar: moderate, with an M1.2 at 0404UT, and an M1.8 at
0608UT
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
No data available during local night.
Niue Island Region:
Enhanced by 50% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
14 Mar
Solar: moderate, with an M1.4 at 0440UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 40% during local day.
Enhanced by 65% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
15 Mar
Solar: moderate, with an M1.2 at 2324UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
16 Mar
Solar: moderate, with an M1.2 at 2324UT, and an M1.6 at
1104UT
Geomagnetic: Unsettled to Active
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
No data available during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
17 Mar
Solar: moderate, with an M1.0 at 2336UT
Geomagnetic: Quiet to Major Storm
In the IPS magnetometer data for 17 Mar, a weak (43nT) impulse
was observed at 0445UT.
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 15% during local night.
Depressed by 35% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values.
Depressed by 40% after local dawn.
Southern Australian Region:
Mostly near predicted monthly values.
Depressed by 50% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
18 Mar
Solar: moderate, with an M1.0 at 2336UT
Geomagnetic: Unsettled to Minor Storm
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 50% during local day.
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Southern Australian Region:
Depressed by 50% during local day.
Depressed by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
19 Mar
Solar: low
Geomagnetic: Quiet to Minor Storm
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Enhanced by 35% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
2. FORECAST (20 MARCH - 26 MARCH)
Solar:
Low
Geomagnetic:
Active on 20 Mar, 22-24 Mar. Quiet to unsettled on other days.
Frequencies:
briefly depressed after local dawn on 20 Mar,
possible mild depressions 23-25 Mar,
MUFs near predicted monthly values on other days.
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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