[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 December 23 issued 2346 UT on 08 Dec 2023 [SEC=OFFICIAL]

rwc rwc at ips.gov.au
Sat Dec 9 10:46:49 EST 2023


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 DECEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 DECEMBER) 
Date   T index  Conditions    
08 Dec   103    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M5.4    2307UT  confirmed  lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   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      114
Dec      100
Jan      98


2. FORECAST (09 DECEMBER - 11 DECEMBER)
Date   T index  Conditions       MUFs                              
09 Dec   100    Normal           Near predicted monthly values
10 Dec   100    Normal           Near predicted monthly values    
11 Dec   100    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were near predicted 
monthly values in the Australian region on UT day 08-Dec. Sporadic 
E observed at times at Hobart and Canberra. MUFs are expected 
to be near predicted monthly values over 09-11 Dec. A short duration 
shortwave fadeout was observed for eastern Australian locations 
in association with the R2 flare at 08/2307UT. Isolated minor 
shortwave fadeouts are possible.

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