[Ips-dhfpr] ASWFC Daily HF Prop Report - 02 July 23 issued 2331 UT on 02 Jul 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 JULY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 JULY) 
Date   T index  Conditions    
02 Jul    92    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.0    0235UT  possible   lower  E. Asia/Aust.
  X1.0    2313UT  probable   all    West Pacific

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      98
Jul      87
Aug      83


2. FORECAST (03 JULY - 05 JULY)
Date   T index  Conditions       MUFs                              
03 Jul    90    Normal           Near predicted monthly values
04 Jul    90    Normal           Near predicted monthly values    
05 Jul    90    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 61 was issued on 
2 July and is current for 2-4 Jul. Maximum usable frequencies 
(MUFs) on UT day 02-Jul in the Australian region were generally 
near predicted monthly values. Enhancements of 15% were observed 
in southern Australian regions during local night hours. Spread 
F was observed during local night hours at Hobart and Perth. 
MUFs are expected to be near predicted monthly values over 03-05 
Jul. Mildly degraded HF conditions may be experienced during 
local night hours. Shortwave fadeouts are probable.

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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