[Ips-dhfpr] SWS Daily HF Prop Report - 30 April 22 issued 2337 UT on 30 Apr 2022 [SEC=OFFICIAL]

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SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 APRIL 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 APRIL) 
Date   T index  Conditions    
30 Apr    88    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.6    0501UT  possible   lower  E. Asia/Aust.
  M1.4    0534UT  possible   lower  E. Asia/Aust.
  M4.8    0958UT  possible   lower  Mid East/Indian
  X1.1    1347UT  probable   all    European
  M1.9    1947UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 45% during local night.
      Enhanced by 30% after local dawn.
   Southern Australian Region:
      Enhanced by 30% during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      64
Apr      46
May      49


2. FORECAST (01 MAY - 03 MAY)
Date   T index  Conditions       MUFs                              
01 May    90    Normal           Near to 25% above predicted 
                                 monthly values
02 May    90    Normal           Near to 25% above predicted 
                                 monthly values    
03 May    80    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: SWS SWF HF Communications Warning 39 was issued on 30 
April and is current for 30 Apr to 2 May. Maximum usable frequencies 
(MUFs) on UT day 30 Apr were mostly above monthly predicted values. 
Spread-F was observed at Hobart 11-20 UT. MUFs are expected to 
be 15-25% above monthly predicted values for 1-3 May. Short-wave 
fadeouts are possible on 1-May.

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