[Ips-wsgr] IPS Weekly Solar and Geophysical Report (02 March 12) issued 0201 UT on 02 Mar 2012
rwc
rwc at ips.gov.au
Fri Mar 2 13:01:13 EST 2012
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 02 MARCH 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (24 FEBRUARY - 01 MARCH)
Date 24 25 26 27 28 29 01
10cm 109 108 107 106 103 102 103
AFr 6 3 7 12 11 6 ( 12)
Aaus 6 7 7 18 8 6 ( 17)
T 79 96 83 70 61 72 76
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
24 Feb
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Enhanced by 25% during local day.
Near predicted monthly values 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.
25 Feb
Solar: Very low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 45% during local night.
Niue Island Region:
Near predicted monthly values.
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.
26 Feb
Solar: Low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Enhanced by 25% during local day.
Enhanced by 15% 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.
27 Feb
Solar: Very low
Geomagnetic: Quiet to unsettled until 12 UT. Active to minor
storm levels 12-21 UT, then settling to quiet conditions.
Frequencies:
Cocos Island Region:
Near predicted monthly values with enhancements to 30%
11-14, 18 and 22-23 UT.
Niue Island Region:
Near predicted monthly values with depressions to 30%
08-14, 17 and 21-22 UT.
Northern Australian Region:
Mostly near predicted monthly values. Depressions to
25% 19-23 UT.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values. Depressions at
some stations to 20% 20-23 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Weak ionosphere due to polar cap absorption (proton enhancement).
Near predicted monthly values.
28 Feb
Solar: Very low
Geomagnetic: Mostly quiet. One period of unsettled to active
conditions 06-09 UT.
Frequencies:
Cocos Island Region:
Mostly near predicted monthly values.
Niue Island Region:
Near predicted monthly values with occasional enhancements
to 25% 04-13 UT.
Northern Australian Region:
Mostly near predicted monthly values. Depressions to 25% 00-02,
06-09 UT at Townsville.
Southern Australian and New Zealand Region:
Eastern Australia region mostly depressed to 25% improving after
local dawn. Western Australia region near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Weak ionosphere possibly due to absorption. Depressed mostly
15-30%.
29 Feb
Solar: Very low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
Mostly near predicted monthly values. Depression to 25%
at 23 UT.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values. Depressions to 25% observed
at Norfolk Is. 00-14 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 25% depressed.
01 Mar
Solar: Low
Geomagnetic: Quiet to active. A weak (12nT) impulse was observed at
0313UT in the IPS magnetometer data.
Frequencies:
Cocos Island Region:
Near predicted monthly values with enhancements to 35%
07-18 UT.
Niue Island Region:
No data.
Northern Australian Region:
Near predicted monthly values. Depressions to 20% at
Darwin 18-21 UT.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values. Depressions to 20% from
about 19 UT and at Norfolk Is. 03-06 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly near predicted monthly values.
2. FORECAST (02 MARCH - 08 MARCH)
Solar: Low. Possible moderate activity early in week.
Geomagnetic: Quiet to unsettled conditions. Active levels possibly
beginning 4 Mar or 5 Mar.
Frequencies: Near predicted monthly values. Depressions to 25% possible
2 and 5 Mar. Short wave fadeouts possible early in week.
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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