[Ips-whfpr] ASWFC Weekly Prop. Report (08 January 25) issued 0110 UT on 08 Jan 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT
ISSUED ON 08 JANUARY 2025 
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 JANUARY - 07 JANUARY)
Date   T index   Conditions        
01 Jan   69      Fair-poor         
MUFS:
   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   39      Fair              
MUFS:
   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.

03 Jan   96      Fair-normal       
MUFS:
   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  133      Normal-fair       
MUFS:
   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  119      Fair-normal       
MUFS:
   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  159      Normal            
MUFS:
   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  138      Normal-fair       
MUFS:
   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.

Predicted Monthly T index for January: 119

2. FORECAST (08 JANUARY - 14 JANUARY) 
MUFS: MUFs near predicted monthly values.

Propagation conditions: Normal. Shortwave fadeouts possible this week.

T index: 119
ASWFC SWF HF Communications Warning 5 was issued on 6 January 
and is current for 7-9 Jan.

3. OUTLOOK (15 JANUARY - 14 FEBRUARY)
Degraded HF propagation conditions possible:
9 Feb

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

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