[Ips-dhfpr] SWS Daily HF Prop Report - 18 July 21 issued 2330 UT on 18 Jul 2021

Regional Warning Centre rwc at ips.gov.au
Mon Jul 19 09:30:11 EST 2021


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 JULY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JULY) 
Date   T index  Conditions    
18 Jul     9    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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
Jun      13
Jul      23
Aug      26


2. FORECAST (19 JULY - 21 JULY)
Date   T index  Conditions       MUFs                              
19 Jul    10    Normal           Near predicted monthly values
20 Jul    10    Normal           Near predicted monthly values    
21 Jul    10    Normal           Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 18 July were 
mostly near predicted monthly values. There were some mild MUF 
depressions in the Northern Australian region during the local 
day and in the Cocos Island region. MUFs in the Australian region 
are expected to be mostly near predicted monthly values on UT 
days 19-21 July.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://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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