[Ips-dhfpr] SWS Daily HF Prop Report - 01 August 22 issued 2330 UT on 01 Aug 2022 [SEC=OFFICIAL]

Regional Warning Centre rwc at ips.gov.au
Tue Aug 2 09:30:57 EST 2022


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 AUGUST 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 AUGUST) 
Date   T index  Conditions    
01 Aug    49    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night and after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      65
Aug      67
Sep      68


2. FORECAST (02 AUGUST - 04 AUGUST)
Date   T index  Conditions       MUFs                              
02 Aug    50    Normal           Depressed 0 to 15%/near predicted 
                                 monthly values
03 Aug    50    Normal           Depressed 0 to 15%/near predicted 
                                 monthly values    
04 Aug    50    Normal           Depressed 0 to 15%/near predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 01-Aug were 
mostly near predicted monthly values to 15-20% depressed at some 
Australian sites. Ionospheric conditions were degraded during 
local night hours in Northern Australia. Spread-F was observed 
at several Australian sites. MUFs are expected to be near predicted 
monthly values to 15% depressed over 02-04 Aug.

----------------------------------------------------------
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
Level 2 Bice Building, Lot Fourteen Precinct, North Terrace, Adelaide SA 5000
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au



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