[Ips-dhfpr] SWS Daily HF Prop Report - 04 May 22 issued 2331 UT on 04 May 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 MAY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 MAY) 
Date   T index  Conditions    
04 May    78    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M5/--    0859UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Apr      77
May      51
Jun      54


2. FORECAST (05 MAY - 07 MAY)
Date   T index  Conditions       MUFs                              
05 May    80    Normal           Near predicted monthly values
06 May    75    Normal           Near predicted monthly values    
07 May    75    Normal           Near predicted monthly values   

COMMENT: SWS SWF HF Communications Warning 40 was issued on 3 
May and is current for 4-6 May. Maximum usable frequencies (MUFs) 
on UT day 4-May were at near monthly predicted values, to sightly 
enhanced. Spread-F was observed at Hobart 11-21 UT. MUFs are 
expected to be near monthly predicted values for 5-7 May, to 
mildly enhanced. Short-wave fadeouts are likely during 5-7 May.

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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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