[Ips-dhfpr] SWS Daily HF Prop Report - 21 August 19 issued 2331 UT on 21 Aug 2019

Regional Warning Centre rwc at ips.gov.au
Thu Aug 22 09:31:43 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 AUGUST 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 AUGUST) 
Date   T index  Conditions    
21 Aug    -0    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 30% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
      Enhanced by 20% after local dawn.
   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
Jul      -2
Aug      -13
Sep      -15


2. FORECAST (22 AUGUST - 24 AUGUST)
Date   T index  Conditions       MUFs                              
22 Aug    -5    Normal           Near predicted monthly values
23 Aug    -5    Normal           Near predicted monthly values    
24 Aug    -5    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) ranged mostly from 
near predicted monthly values to moderately enhanced ones during 
UT day 21 August. Sporadic-E and Spread-F occurrences were observed 
over some sites. MUFs are expected to range mostly near predicted 
monthly levels for UT days 22-24 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 

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