[Ips-wsgr] IPS Weekly Solar and Geophysical Report (18 April 14) issued 0237 UT on 18 Apr 2014
rwc
rwc at ips.gov.au
Fri Apr 18 12:37:44 EST 2014
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 18 APRIL 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (11 APRIL - 17 APRIL)
Date 11 12 13 14 15 16 17
10cm 138 136 137 150 162 184 179
AFr 7 16 13 7 5 5 ( 7)
Aaus 5 11 8 3 1 2 ( 7)
T 107 130 111 105 109 108 118
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
11 Apr
Solar: low
Geomagnetic: Quiet to unsettled
Frequencies:
Cocos Island Region:
No data 00-22 UT. Near monthly predicted value at
23 UT.
Niue Island Region:
Enhanced 30-50% 00-08 UT. Mostly near predicted
monthly values at other times.
Northern Australian Region:
Mostly near predicted monthly values. Enhanced
35-50% 18-21 UT at Darwin.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values to 20% enhanced.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 30% enhanced.
12 Apr
Solar: low
Geomagnetic: Quiet to Active. Minor storm conditions at higher
latitudes 12-15 UT.
Frequencies:
Cocos Island Region:
Near predicted monthly values. Enhanced to 20%
11-14, 18-20 UT.
Niue Island Region:
Near predicted monthly values to 20% enhanced
00-03, 09-14, 23 UT, otherwise enhanced 20-60%.
Northern Australian Region:.
Enhanced 15-35% 07-14 and 20-40% 18-23 UT. Near
predicted monthly values at other times.
Southern Australian and New Zealand Region:
Enhanced 15-40%. Spread F at Hobart 08-21 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 35% depressed.
13 Apr
Solar: low
Geomagnetic: Quiet to unsettled with some isolated active periods.
Frequencies:
Cocos Island Region:
Near predicted monthly values. Enhanced 25-40%
11-15 UT. Depressed 20% at 23 UT.
Niue Island Region:
Near predicted monthly values to 20% enhanced.
Enhanced 25-35% 00, 06-09 UT.
Northern Australian Region:
Mostly near predicted monthly values to 20%
enhanced. Depressed 25-45% at Darwin 15-17 UT.
Southern Australian and New Zealand Region:
Near predicted monthly values to 20% enhanced.
Hobart near predicted monthly values to 20%
depressed with spread F 11-22 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 25% depressed.
14 Apr
Solar: low
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Enhanced by 40% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Enhanced by 30% after local dawn.
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
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 70% during local night.
Niue Island Region:
Enhanced by 25% during local day.
Enhanced by 40% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
16 Apr
Solar: moderate, with an M1.0 at 1959UT
Geomagnetic: Quiet
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
17 Apr
Solar: low
Geomagnetic: Quiet to Unsettled
Frequencies:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 100% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Enhanced by 55% during local night.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 15% over the UT day.
2. FORECAST (18 APRIL - 24 APRIL)
Solar:
Moderate activity early in week.
Geomagnetic:
Quiet to unsettled conditions.
Frequencies:
MUFs 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
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