[Ips-dhfpr] SWS Daily HF Prop Report - 31 March 22 issued 2331 UT on 31 Mar 2022 [SEC=OFFICIAL]

rwc rwc at ips.gov.au
Fri Apr 1 10:31:47 EST 2022


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 MARCH 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 MARCH) 
Date   T index  Conditions    
31 Mar    89    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M9.6    1835UT  probable   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 50% during local day.
      Enhanced by 90% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
      Enhanced by 30% after local dawn.
   Southern Australian Region:
      Enhanced by 30% during local day.
      Enhanced by 45% 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
Feb      59
Mar      42
Apr      44


2. FORECAST (01 APRIL - 03 APRIL)
Date   T index  Conditions       MUFs                              
01 Apr    60    Normal-fair      Near to 15% above predicted 
                                 monthly values
02 Apr    60    Normal-fair      Near to 15% above predicted 
                                 monthly values    
03 Apr    60    Normal-fair      Near to 15% above predicted 
                                 monthly values   

COMMENT: SWS Preliminary HF Communications Warning 30 was issued 
on 30 March and is current for 31 Mar to 1 Apr. Maximum usable 
frequencies (MUFs) on UT day 31 Mar were mildly to strongly enhanced. 
Mildly degraded conditions may be experienced on 01-03 Apr due 
to increased geomagnetic activity. Possible shortwave fadeouts 
on daylight HF circuits over the next few days.

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