[Ips-whfpr] ASWFC Weekly Prop. Report (08 March 23) issued 0107 UT on 08 Mar 2023 [SEC=OFFICIAL]

[rwc]

SUBJ: ASWFC WEEKLY HF PROPAGATION REPORT
ISSUED ON 08 MARCH 2023 
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 MARCH - 07 MARCH)
Date   T index   Conditions        
01 Mar  116      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 30% after local dawn.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Mar  141      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 65% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Enhanced by 25% during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

03 Mar  101      Normal-fair       
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Niue Island Region:
      Enhanced by 35-45%.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

04 Mar  110      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20-35% during local day.
   Niue Island Region:
      Enhanced by 30-35% during local day.
   Northern Australian Region:
      Enhanced by 15-30% during local day.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

05 Mar  122      Fair-normal       
MUFS:
   Cocos Island Region:
      Enhanced by 15-25%.
   Niue Island Region:
      Enhanced by 25-30%.
   Northern Australian Region:
      Enhanced by 20-40%.
   Southern Australian Region:
      Variable conditions, MUFs depressed 15% to 30% enhanced at some sites.
      Enhanced by 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day, with periods of absorption at Mawson.

06 Mar   98      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 40% after local dawn.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

07 Mar  123      Normal            
MUFS:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 40% during local night.
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 30% during local night.
      Enhanced by 40% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for March:  80

2. FORECAST (08 MARCH - 14 MARCH) 
MUFS: briefly depressed after local dawn on 14 Mar
MUFs near predicted monthly values on other days.

Propagation conditions: Fair on 14 Mar. Otherwise normal. SWFs probable early in
week.

T index: 80
ASWFC SWF HF Communications Warning 28 was issued on 6 March 
and is current for 7-8 Mar.

3. OUTLOOK (15 MARCH - 14 APRIL)
Degraded HF propagation conditions possible:
 27 Mar, 01-02 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