[Ips-dhfpr] SWS Daily HF Prop Report - 04 February 19 issued 2330 UT on 04 Feb 2019 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Tue Feb 5 10:30:19 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 FEBRUARY) 
Date   T index  Conditions    
04 Feb   -20    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      -27
Feb      -12
Mar      -13


2. FORECAST (05 FEBRUARY - 07 FEBRUARY)
Date   T index  Conditions       MUFs                              
05 Feb   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
06 Feb   -15    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 15%    
07 Feb   -15    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 15%   

COMMENT: On UT day 04 February, MUFs were near monthly predicted 
levels to mildly depressed across Australian/NZ regions. Nearly 
similar levels of ionospheric support in this regions are expected 
mostly for the next 3 days (UT days 5 to 7 February) due to continued 
low levels of ionising radiation from the Sun.

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