[Ips-whfpr] ASWFC Weekly Prop. Report (12 March 25) issued 0032 UT on 12 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT
ISSUED ON 12 MARCH 2025 
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 MARCH - 11 MARCH)
Date   T index   Conditions        
05 Mar  137      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

06 Mar  138      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 65% 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.

07 Mar  145      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 55% 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.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

08 Mar  141      Normal            
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

09 Mar   64      Poor-fair         
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
   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 35% over the UT day.

10 Mar  104      Normal            
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 30% over the UT day.

11 Mar  104      Normal            
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 25% over the UT day.

Predicted Monthly T index for March: 117

2. FORECAST (12 MARCH - 18 MARCH) 
MUFS: briefly depressed after local dawn over 12-15 Mar
MUFs near predicted monthly values on other days.

Propagation conditions: Mildly degraded over 12-15, 
especially near local night and dawn hours. Otherwise normal. SWFs possible this
week

T index: 117

3. OUTLOOK (19 MARCH - 18 APRIL)
Degraded HF propagation conditions possible:
26-27 Mar, 4-5 Apr, 9-11 Apr

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