[Ips-wsgr] ASWFC Weekly Solar and Geophysical Report (03 January 25) issued 0024 UT on 03 Jan 2025 [SEC=OFFICIAL]

Fri Jan 3 11:24:21 AEDT 2025

SUBJ: ASWFC WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 03 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx

1. SUMMARY (27 DECEMBER - 02 JANUARY)
Date     27    28    29    30    31    01    02
10cm    259   260   255   224   218   219   212
AFr       3     4     5     7    10    48  ( 18)
Aaus      3     5     5     8    13    59  ( ??)
T       164   151   157   134   136    69    39

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

27 Dec 
Solar:        R1, with an M1.2 at 1538UT, and an M3.3 at 
              2035UT
Geomagnetic:  G0
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.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 15% over the UT day.

28 Dec 
Solar:        R1, with an M4.5 at 1121UT, an M1.3 at 1518UT, 
              and an M1.2 at 2214UT
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 20% over the UT day.

29 Dec 
Solar:        R3, with an M1.2 at 2214UT, an M1.0 at 0235UT, 
              an M2.0 at 0430UT, an M3.1 at 0526UT, an X1.1 at 
              0718UT, an M1.6 at 1224UT, an M1.1 at 1429UT, an 
              M7.1 at 1509UT, an M3.3 at 1708UT, an M1.1 at 2039UT, 
              an M1.5 at 2153UT, and an M1.9 at 2330UT
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Dec 
Solar:        R3, with an M1.9 at 2330UT, an M1.7 at 0047UT, 
              an M1.7 at 0300UT, an X1.5 at 0414UT, an M1.4 at 
              0840UT, an M1.7 at 1011UT, an M3.5 at 1446UT, an 
              M5.0 at 1654UT, an M1.2 at 1730UT, an M1.6 at 1742UT, 
              an M1.6 at 1824UT, and an M1.0 at 2241UT
Geomagnetic:  G0
In the BOM magnetometer data for 30 Dec, a weak (9nT) impulse 
was observed at 0410UT.
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 50% during local night.
   Niue Island Region:
      Near predicted monthly values.
   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.

31 Dec 
Solar:        R1, with an M1.0 at 2241UT, an M1.0 at 0500UT, 
              an M2.0 at 2151UT, and an M2.7 at 2219UT
Geomagnetic:  G1
In the BOM magnetometer data for 31 Dec, a weak (15nT) impulse 
was observed at 1621UT.
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

01 Jan 
Solar:        R1, with an M1.1 at 0445UT, an M1.0 at 1524UT, 
              an M1.2 at 1817UT, and an M1.1 at 2141UT
Geomagnetic:  G3
In the BOM magnetometer data for 01 Jan, a weak (18nT) impulse 
was observed at 0308UT.
Frequencies:  
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 45% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

02 Jan 
Solar:        R1, with an M1.1 at 1740UT
Geomagnetic:  G1
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Depressed by 40% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   Southern Australian Region:
      Depressed by 35% during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

2. FORECAST (03 JANUARY - 09 JANUARY)
Solar: 
R0-R1 with a chance for R2 activity this week.

Geomagnetic:  
G0-G1 over 4-5 Jan. G0 other days.

Frequencies:  
MUFs depressed 20-25% on 3-Jan, 15% over 4-7 Jan. 

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