[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 January 25 issued 2330 UT on 06 Jan 2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Tue Jan 7 10:30:50 AEDT 2025


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 JANUARY) 
Date   T index  Conditions    
06 Jan   159    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M3.1    0152UT  possible   lower  West Pacific
  M1.4    0350UT  possible   lower  E. Asia/Aust.
  M4.8    1624UT  possible   lower  South American/
                                    Atlantic

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.

PCA Event : 10MeV Proton/PCA Event Began at 2220UT 04/01, Ended at 0930UT 05/01

Monthly T index:
Month  T index
Dec      132
Jan      119
Feb      116


2. FORECAST (07 JANUARY - 09 JANUARY)
Date   T index  Conditions       MUFs                              
07 Jan   145    Normal           10 to 15% above predicted monthly 
                                 values
08 Jan   145    Normal           10 to 15% above predicted monthly 
                                 values    
09 Jan   145    Normal           10 to 15% above predicted monthly 
                                 values   

COMMENT: ASWFC SWF HF Communications Warning 5 was issued on 
6 January and is current for 7-9 Jan. Maximum usable frequencies 
(MUFs) in the Australian region were near predicted values to 
15% enhanced on UT day 6-Jan. Some spread-F was observed at Hobart 
during local night hours. MUFs are expected to be near predicted 
values to 10-15% enhanced over 7-9 Jan.

----------------------------------------------------------
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



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