[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 July 26 issued 2336 UT on 01 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 JULY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 JULY) 
Date   T index  Conditions    
01 Jul   102    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0627UT  possible   lower  Mid East/Indian
  M1.0    0643UT  possible   lower  Mid East/Indian
  M1.5    0735UT  possible   lower  Mid East/Indian
  M2.5    0817UT  possible   lower  Mid East/Indian
  M1.3    1008UT  possible   lower  European
  M1.0    1126UT  possible   lower  European
  M1.1    1431UT  possible   lower  South American/
                                    Atlantic
  M2.6    1455UT  possible   lower  South American/
                                    Atlantic
  M3.5    1943UT  possible   lower  East Pacific/
                                    North American
  M8.5    2309UT  probable   lower  West Pacific

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      81
Jul      66
Aug      63


2. FORECAST (02 JULY - 04 JULY)
Date   T index  Conditions       MUFs                              
02 Jul    90    Normal           Near predicted monthly values
03 Jul    60    Fair             Depressed 15 to 20%/near predicted 
                                 monthly values    
04 Jul    70    Normal-fair      Depressed 10 to 15%/near predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 60 was issued on 
30 June and is current for 1-2 Jul. Maximum Usable Frequencies 
(MUFs) in the Australian region were enhanced over UT day 01-Jul, 
with enhancements of 20-30% reported across the region. Spread-F 
was also present across most of the Australian region during 
local night hours, including significant spread-F at Hobart. 
MUFs are expected to be near predicted values on 02-Jul, with 
some enhancements possible. MUFs are forecast to become 15-20% 
depressed on 03-04 Jul due to the arrival of a CME first observed 
on 30-Jun. 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