[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 October 22 issued 2330 UT on 12 Oct 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 OCTOBER) 
Date   T index  Conditions    
12 Oct   112    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 25-65%.
   Niue Island Region:
      Enhanced by 50% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 65% during local night.
   Southern Australian Region:
      Enhanced by 15-25%.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Sep      74
Oct      69
Nov      69


2. FORECAST (13 OCTOBER - 15 OCTOBER)
Date   T index  Conditions       MUFs                              
13 Oct   100    Normal           10 to 20% above predicted monthly 
                                 values
14 Oct   100    Normal           10 to 20% above predicted monthly 
                                 values    
15 Oct   100    Normal           10 to 20% below predicted monthly 
                                 values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 12-Oct were 
mostly near predicted monthly values to 15-65% enhanced. Ionospheric 
scintillation was briefly observed at Darwin 12/1716-1731UT. 
MUFs are expected to be near predicted monthly values to 10-20% 
enhanced over 13-15 Oct, with good HF conditions expected. Isolated 
minor 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