[Ips-dhfpr] ASWFC Daily HF Prop Report - 15 July 24 issued 2330 UT on 15 Jul 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 JULY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 JULY) 
Date   T index  Conditions    
15 Jul   127    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0345UT  possible   lower  E. Asia/Aust.
  M2.7    0937UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Enhanced by 50% during local day.
      Enhanced by 50% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      120
Jul      118
Aug      117


2. FORECAST (16 JULY - 18 JULY)
Date   T index  Conditions       MUFs                              
16 Jul   125    Normal           Near predicted monthly values
17 Jul   125    Normal           Near predicted monthly values    
18 Jul   125    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 74 was issued on 
13 July and is current for 14-16 Jul. Maximum usable frequencies 
(MUFs) on UT day 15-Jul were mostly near predicted values in 
the Australian region. Sporadic-E was observed in Norfolk Island 
and Brisbane during local night hours. Spread-F was observed 
in Niue during local night hours. MUFs are expected to be near 
predicted values over 16-18 Jul. Shortwave 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