[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 April 24 issued 2330 UT on 11 Apr 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 APRIL 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 APRIL) 
Date   T index  Conditions    
11 Apr   117    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M5.4    1706UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      120
Apr      114
May      115


2. FORECAST (12 APRIL - 14 APRIL)
Date   T index  Conditions       MUFs                              
12 Apr   115    Normal           Near predicted monthly values
13 Apr   115    Normal           Near predicted monthly values    
14 Apr   115    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 35 was issued on 
11 April and is current for 12-14 Apr. Maximum usable frequencies 
(MUFs) on UT day 11-Apr were mostly near predicted monthly values. 
Periods of sporadic-E were observed at Townsville, Perth, Canberra, 
Learmonth and Niue during local night hours. MUFs are expected 
to be near predicted monthly values over 12-14 Apr. Short-wave 
fadeouts are possible.

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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.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au