[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 January 23 issued 2330 UT on 11 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 JANUARY) 
Date   T index  Conditions    
11 Jan   118    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.5    0059UT  possible   lower  West Pacific
  M5.7    0156UT  possible   lower  West Pacific
  M1.3    0610UT  possible   lower  Mid East/Indian
  M3.1    0833UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 25% during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (12 JANUARY - 14 JANUARY)
Date   T index  Conditions       MUFs                              
12 Jan   110    Normal           Near to 15% above predicted 
                                 monthly values
13 Jan   110    Normal           Near to 15% above predicted 
                                 monthly values    
14 Jan   110    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 5 was issued on 
10 January and is current for 11-13 Jan. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 11-Jan were near predicted 
monthly values to 40% enhanced during local night hours. Sporadic 
E was observed at Townsville. MUFs are generally expected to 
be near predicted monthly values to 15% enhanced over 12-14 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