[Ips-dhfpr] SWS Daily HF Prop Report - 07 July 22 issued 2330 UT on 07 Jul 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JULY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JULY) 
Date   T index  Conditions    
07 Jul    49    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      60
Jul      65
Aug      67


2. FORECAST (08 JULY - 10 JULY)
Date   T index  Conditions       MUFs                              
08 Jul    50    Normal-fair      Depressed 10 to 15%/near predicted 
                                 monthly values
09 Jul    60    Normal           Near predicted monthly values    
10 Jul    60    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 07-Jul were 
generally near predicted monthly values, with spread-F observed 
during local night hours indicating degraded HF conditions. MUFs 
are expected to be near predicted monthly values over 08-10 Jul, 
with degraded conditions possible for the southern Australian 
region due to coronal hole high speed wind stream induced geomagnetic 
activity. 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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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