[Ips-dhfpr] ASWFC Daily HF Prop Report - 05 January 24 issued 2330 UT on 05 Jan 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 JANUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 JANUARY) 
Date   T index  Conditions    
05 Jan   144    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : 10MeV Proton/PCA Event Began at 2250UT 03/01, Ended at 2155UT 04/01
 and, 10MeV Proton/PCA Event Began at 2225UT 04/01, Ended at 0125UT 05/01

Monthly T index:
Month  T index
Dec      110
Jan      106
Feb      105


2. FORECAST (06 JANUARY - 08 JANUARY)
Date   T index  Conditions       MUFs                              
06 Jan   130    Normal           Near to 15% above predicted 
                                 monthly values
07 Jan   130    Normal           Near to 15% above predicted 
                                 monthly values    
08 Jan   130    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 1 was issued on 
4 January and is current for 4-6 Jan. Maximum usable frequencies 
(MUFs) on UT day 5-Jan in the southern Australian region were 
enhanced by 20% during local day and 15% during local night. 
In the northern Australian region MUFs were near predicted monthly 
values during local day, with enhancements of up to 45% observed 
during local night. particularly at Darwin. Sporadic E was observed 
across the Australian region and was generally stronger at higher 
latitudes. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 6-8 Jan. Shortwave fadeouts are possible.

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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