[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 January 23 issued 2330 UT on 07 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JANUARY) 
Date   T index  Conditions    
07 Jan   104    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.6    0052UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      84
Jan      71
Feb      72


2. FORECAST (08 JANUARY - 10 JANUARY)
Date   T index  Conditions       MUFs                              
08 Jan    95    Normal-fair      Near to 15% above predicted 
                                 monthly values
09 Jan    95    Normal           Near to 15% above predicted 
                                 monthly values    
10 Jan    95    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 3 was issued on 
6 January and is current for 6-8 Jan. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 07-Jan were near predicted 
monthly values to 25% enhanced. Spread F was observed at Hobart 
during local night. MUFs are expected to be near predicted monthly 
values to 15% enhanced over 08-10 Jan. There is a chance of mild 
degradation in HF conditions during local night on 08-Jan. Shortwave 
fadeouts are probable.

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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