[Ips-dhfpr] SWS Daily HF Prop Report - 18 August 19 issued 2331 UT on 18 Aug 2019

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 AUGUST 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 AUGUST) 
Date   T index  Conditions    
18 Aug    -3    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Enhanced by 30% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      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
Jul      -2
Aug      -13
Sep      -15


2. FORECAST (19 AUGUST - 21 AUGUST)
Date   T index  Conditions       MUFs                              
19 Aug    -5    Normal           Near predicted monthly values
20 Aug    -5    Normal           Near predicted monthly values    
21 Aug    -5    Normal           Near predicted monthly values   

COMMENT: The maximum usable frequencies (MUFs) stayed mostly 
near predicted monthly values across the Australian region on 
UT day 18 August. Mild MUF enhancements as well as depressions 
were also observed. Sporadic E occurrences were observed over 
several sites. MUFs in the Australian regions are expected to 
stay mostly near the predicted monthly values for the next three 
UT days, 19-21 August.

----------------------------------------------------------
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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of SWS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.