[Ips-wsgr] ASWFC Weekly Solar and Geophysical Report (10 January 25) issued 0101 UT on 10 Jan 2025 [SEC=OFFICIAL]
Australian Space Weather Forecasting Centre
aswfc at bom.gov.au
Fri Jan 10 12:01:59 AEDT 2025
SUBJ: ASWFC WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 10 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx
1. SUMMARY (03 JANUARY - 09 JANUARY)
Date 03 04 05 06 07 08 09
10cm 200 209 169 172 168 160 162
AFr 7 21 12 13 8 6 ( 10)
Aaus 10 25 12 9 11 5 ( 10)
T 96 133 119 159 138 134 163
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
03 Jan
Solar: R3, with an X1.2 at 1139UT, an M2.3 at 2212UT,
and an X1.1 at 2241UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Depressed by 20-40%.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 30% to near predicted monthly values.
Darwin MUFs depressed by 30% early in the UT day.
Learmonth MUFs depressed by 30% during the local day.
Southern Australian Region:
Depressed by 30% to near predicted monthly values.
Perth MUFs depressed by 30% during the local day.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
04 Jan
Solar: R3, with an M2.3 at 2212UT, an X1.1 at 2241UT,
an M7.6 at 0518UT, an X1.8 at 1248UT, and an M2.1
at 2326UT
Geomagnetic: G1
Frequencies:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Enhanced by 15-30% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
15% depressed to near predicted monthly values.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Depressed by 15% over the UT day.
05 Jan
Solar: R1, with an M2.1 at 2326UT, an M4.1 at 0239UT,
an M2.1 at 0718UT, an M4.1 at 0936UT, and an M2.5
at 1537UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Generally near predicted monthly values.
Darwin enhanced by up to 30% local night.
Townsville 15% depressed during the local day.
Southern Australian Region:
Depressed by 15-20% during local day.
Perth near predicted monthly values.
Near predicted monthly values during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Depressed by 15% over the UT day.
Mild increase in absorption observed 05/00-08UT.
06 Jan
Solar: R1, with an M3.1 at 0152UT, an M1.4 at 0350UT,
and an M4.8 at 1624UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Mostly near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
07 Jan
Solar: R1, with an M1.1 at 2305UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Enhanced by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 15% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
08 Jan
Solar: R0
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Niue Island Region:
Enhanced by 15% during local day.
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
09 Jan
Solar: R1, with an M1.1 at 0026UT
Geomagnetic: G0
Frequencies:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
2. FORECAST (10 JANUARY - 16 JANUARY)
Solar:
Solar activity is expected to be at R1-R2 levels this week.
Geomagnetic:
G0 geomagnetic conditions are expected this week.
Frequencies:
MUFs are expected to be near predicted monthly values to 15%
enhanced. Shortwave fadeouts are possible.
For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au
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