[Ips-dhfpr] ASWFC Daily HF Prop Report - 13 December 24 issued 2330 UT on 13 Dec 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 DECEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 DECEMBER) 
Date   T index  Conditions    
13 Dec   151    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    0318UT  possible   lower  E. Asia/Aust.
  M2.1    1124UT  possible   lower  European
  M1.0    1424UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      127
Dec      117
Jan      114


2. FORECAST (14 DECEMBER - 16 DECEMBER)
Date   T index  Conditions       MUFs                              
14 Dec   140    Normal           Near predicted monthly values
15 Dec   135    Normal-fair      Near predicted monthly values    
16 Dec   135    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 13-Dec were 
near predicted monthly values to 15% enhanced in the Australian 
region. Sporadic-E was common during local night hours.MUFs are 
expected to be near predicted monthly values over 14-16 Dec.

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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