[Ips-dhfpr] SWS Daily HF Prop Report - 05 February 22 issued 2331 UT on 05 Feb 2022

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 FEBRUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 FEBRUARY) 
Date   T index  Conditions    
05 Feb     2    Fair-poor      

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 45% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values. Enhanced to
      50% during 13-17 UT.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      46
Feb      38
Mar      41


2. FORECAST (06 FEBRUARY - 08 FEBRUARY)
Date   T index  Conditions       MUFs                              
06 Feb    25    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 20%
07 Feb    40    Normal           Near predicted monthly values    
08 Feb    65    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: SWS SWF HF Communications Warning 15 was issued on 4 
February and is current for 4-6 Feb. SWS HF Communications Warning 
16 was issued on 5 February and is current for 5-6 Feb. Frequencies 
were depressed at most locations on 05 February with deeper depressions 
during local day. Sporadic E observed at Cocos Is. 19-22 UT, 
Canberra 07-14 UT, Hobart 14-19 UT and Norfolk Is. during daytime. 
Depressions likely at times at mid and high latitudes on 06 February 
with propagation conditions expected to improve. Isolated shortwave 
fadeouts are possible on daylight HF circuits over the next few 
days.

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