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

[Australian Space Weather Forecasting Centre]

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

1. SUMMARY (11 JULY) 
Date   T index  Conditions    
11 Jul   116    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0417UT  possible   lower  E. Asia/Aust.
  M1.2    0625UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly 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
Jun      120
Jul      118
Aug      117


2. FORECAST (12 JULY - 14 JULY)
Date   T index  Conditions       MUFs                              
12 Jul   120    Normal           Near predicted monthly values
13 Jul   115    Normal-fair      Near predicted monthly values    
14 Jul   110    Normal-fair      Near predicted monthly values 
                                 to 15% depressed   

COMMENT: ASWFC SWF HF Communications Warning 72 was issued on 
10 July and is current for 10-12 Jul. Maximum usable frequencies 
(MUFs) on UT day 11-Jul were near predicted values in the Australian 
region. Sporadic E was common in the Australian region during 
local night hours. MUFs are expected to be near predicted values 
over 12-14 Jul, with mild depressions possible by 14-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