[Ips-dhfpr] SWS Daily HF Prop Report - 30 January 20 issued 2331 UT on 30 Jan 2020

Regional Warning Centre rwc at ips.gov.au
Fri Jan 31 10:31:27 EST 2020


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 JANUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 JANUARY) 
Date   T index  Conditions    
30 Jan    -9    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   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
Dec      -29
Jan      -16
Feb      -17


2. FORECAST (31 JANUARY - 02 FEBRUARY)
Date   T index  Conditions       MUFs                              
31 Jan   -15    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
01 Feb   -15    Normal           Near predicted monthly values/depressed 
                                 15 to 25%    
02 Feb   -15    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were mostly near predicted 
monthly values for the Australian region on 30 January. Minor 
MUFs depressions were observed in the Southern Australian region 
during local day. Sporadic-E occurrences were seen over all Australian 
sites. Similar levels of ionospheric support are expected for 
the next three UT days, 31 January to 02 February. Mild MUFs 
depressions are possible for 31 January and 01 February.

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