[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 December 22 issued 2330 UT on 26 Dec 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 DECEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 DECEMBER) 
Date   T index  Conditions    
26 Dec    70    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   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
Nov      77
Dec      70
Jan      70


2. FORECAST (27 DECEMBER - 29 DECEMBER)
Date   T index  Conditions       MUFs                              
27 Dec    70    Normal-fair      Depressed 10 to 15%/near predicted 
                                 monthly values
28 Dec    70    Normal           Depressed 10 to 15%/near predicted 
                                 monthly values    
29 Dec    70    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 26-Dec were mostly near predicted monthly values. 
Spread F was observed at Hobart over night. Sporadic E was observed 
at Perth and Townsville. MUFs are expected to be near predicted 
monthly values on 27-Dec, with depressions of 15% possible for 
southern Australian region after local dawn. Isolated minor fadeouts 
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