[Ips-dhfpr] SWS Daily HF Prop Report - 15 July 22 issued 2331 UT on 15 Jul 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 JULY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 JULY) 
Date   T index  Conditions    
15 Jul    82    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 40% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      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
Jun      60
Jul      65
Aug      67


2. FORECAST (16 JULY - 18 JULY)
Date   T index  Conditions       MUFs                              
16 Jul    80    Normal           Near predicted monthly values
17 Jul    80    Normal           Near predicted monthly values    
18 Jul    80    Normal           Near predicted monthly values   

COMMENT: SWS SWF HF Communications Warning 55 was issued on 14 
July and is current for 15-17 Jul. Maximum usable frequencies 
(MUFs) on UT day 15-Jul were near monthly predicted values. Spread-F 
was observed across the Australian region during local night. 
MUFs are expected to be near monthly predicted values over 16-18 
Jul. Shortwave fadeouts are probable.

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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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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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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