[Ips-wsgr] IPS Weekly Solar and Geophysical Report (05 April 13) issued 0138 UT on 05 Apr 2013
rwc
rwc at ips.gov.au
Fri Apr 5 12:38:18 EST 2013
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 05 APRIL 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (29 MARCH - 04 APRIL)
Date 29 30 31 01 02 03 04
10cm 105 108 113 119 122 127 129
AFr 19 12 3 6 4 3 ( 4)
Aaus 13 8 4 5 2 2 ( 4)
T 63 49 53 80 79 91 92
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
29 Mar
Solar: Very low
Geomagnetic: Quiet to active with isolated minor storm levels at
high latitudes. A weak (26nT) impulse was observed
in the IPS magnetometer data at 0815 UT.
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Enhanced by 30% after local dawn.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
30 Mar
Solar: Very low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Depressed by 35% during local day.
Depressed by 35% during local night.
Southern Australian and New Zealand Region:
Depressed by 40% during local day.
Depressed by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
31 Mar
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Depressed by 15% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 30% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
01 Apr
Solar: Very low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
Near predicted monthly values with 20-30% enhancements
07-13 UT and 15-20% depressions 15-21, 23 UT.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values. Enhanced 25-50% 07-14 UT
at Darwin.
Southern Australian and New Zealand Region:
Near predicted monthly values. Night spread F at Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 20% enhanced.
02 Apr
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values. Enhanced 20-35% 07-09
and 13-14 UT. Depressed 23% at 23 UT.
Niue Island Region:
Near predicted monthly values. Depressions of 15-30%
00, 16-17 and 21 UT.
Northern Australian Region:
Near predicted monthly values. Depressions of 20-30%
16-18 UT at Darwin.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values. Depressions of 20-30%
14-19 UT.
03 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values with enhancements of
25% 08-10, 19 UT and 35-60% 13-18 UT.
Niue Island Region:
Near predicted monthly values. Enhanced 30-55% 07-14
UT and 25% 18-19 UT.
Northern Australian Region:
Near predicted monthly values. Enhanced 25-50% 06-14
UT and 15-25% 18-22 UT at Darwin. Enhanced 20-25%
05-08 UT at Townsville.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values. Night spread F
at Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 25% enhanced during
local day and depressions to 25% local night.
04 Apr
Solar: Low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values. Enhanced 20-30%
07-10 and 13-14 UT.
Niue Island Region:
Near predicted monthly values. Enhanced 20-25%
05-06 and 14 UT.
Northern Australian Region:
Near predicted monthly values. Enhanced 25-40% 10-14,
17-18 and 22 UT at Darwin. Enhanced 20-40% 16-18 UT
at Townsville.
Southern Australian and New Zealand Region:
Near predicted monthly values to 20% enhanced. Spread
F at Hobart, mostly night time.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 30% enhanced.
Depressions of 30% at Mawson 03-04 and 14 UT.
2. FORECAST (05 APRIL - 11 APRIL)
Solar: Low
Geomagnetic: Quiet to unsettled conditions.
Frequencies: Near predicted monthly values to 15% enhanced.
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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