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

[Regional Warning Centre]

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

1. SUMMARY (26 AUGUST) 
Date   T index  Conditions    
26 Aug    46    Fair           

Flares    Max     Fadeout    Freq.  Sectors
  M1.0 25/2327UT  possible   lower  West Pacific
  M2.1    1055UT  possible   lower  European
  M7.2    1214UT  probable   lower  European

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 35% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   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
Jul      65
Aug      67
Sep      68


2. FORECAST (27 AUGUST - 29 AUGUST)
Date   T index  Conditions       MUFs                              
27 Aug    50    Normal-fair      Depressed 15%/near predicted 
                                 monthly values
28 Aug    50    Normal-fair      Depressed 15%/near predicted 
                                 monthly values    
29 Aug    50    Normal-fair      Depressed 15%/near predicted 
                                 monthly values   

COMMENT: SWS SWF HF Communications Warning 63 was issued on 25 
August and is current for 26-27 Aug. Maximum usable frequencies 
(MUFs) on UT day 26-Aug were near predicted monthly values to 
15% depressed during the 24-hour period. Spread-F was observed 
at Hobart, Brisbane and Townsville during local night hours. 
Regional MUFs are expected to be mostly near predicted monthly 
values to 15% depressed on 27-29.

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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