[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 October 22 issued 2330 UT on 11 Oct 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 OCTOBER) 
Date   T index  Conditions    
11 Oct   104    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M3.9    0842UT  possible   lower  Mid East/Indian
  M1.5    1052UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 60% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 55% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   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 (12 OCTOBER - 14 OCTOBER)
Date   T index  Conditions       MUFs                              
12 Oct   100    Normal           10 to 15% above predicted monthly 
                                 values
13 Oct   100    Normal           10 to 15% above predicted monthly 
                                 values    
14 Oct   100    Normal           10 to 15% above predicted monthly 
                                 values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 11-Oct were 
mostly near predicted monthly values to 15-25% enhanced. Spread 
F was observed during local night hours at Hobart. MUFs are expected 
to be near predicted monthly values to 10-15% enhanced over 12-14 
Oct. 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