[Ips-wsgr] ASWFC Weekly Solar and Geophysical Report (08 December 23) issued 0041 UT on 08 Dec 2023 [SEC=OFFICIAL]

[rwc]

SUBJ: ASWFC WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 08 DECEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx

1. SUMMARY (01 DECEMBER - 07 DECEMBER)
Date     01    02    03    04    05    06    07
10cm    162   148   139   138   142   130   135
AFr      30    11    10     9     9     7  (  5)
Aaus     41     7    15     9    14     7  (  3)
T        95    22   120   132   107    99   101

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

01 Dec 
Solar:        R1, with an M1.1 at 0441UT, and an M1.0 at 
              2121UT
Geomagnetic:  G2
In the BOM magnetometer data for 01 Dec, a weak (17nT) impulse 
was observed at 0019UT, a weak (26nT) impulse was observed at 
0925UT and a weak (9nT) impulse was observed at 0953UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 50% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

02 Dec 
Solar:        R0
Geomagnetic:  G0
In the BOM magnetometer data for 02 Dec, a weak (12nT) impulse 
was observed at 0019UT.
Frequencies:  
   Cocos Island Region:
      Depressed by 40% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 45% during local day.
      Depressed by 35% during local night.
   Southern Australian Region:
      Depressed by 40% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 25% over the UT day.

03 Dec 
Solar:        R0
Geomagnetic:  G0
In the BOM magnetometer data for 03 Dec, a weak (10nT) impulse 
was observed at 0121UT and a weak (9nT) impulse was observed 
at 1304UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 75% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

04 Dec 
Solar:        R0
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

05 Dec 
Solar:        R1, with an M1.5 at 0644UT, an M1.0 at 2110UT, 
              and an M1.4 at 2120UT
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Enhanced by 20%.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

06 Dec 
Solar:        R1, with an M2.1 at 0541UT, and an M2.3 at 
              2144UT
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% 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.

07 Dec 
Solar:        R0
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values 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.

 
2. FORECAST (08 DECEMBER - 14 DECEMBER)
Solar: 
Solar activity is expected to be at R0-R1 levels this week. 

Geomagnetic:  
G0 geomagnetic conditions are expected this week. 

Frequencies:  
MUFs are expected to be near predicted monthly values this week.

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