[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 May 25 issued 2330 UT on 01 May 2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Fri May 2 09:30:51 AEST 2025


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 MAY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 MAY) 
Date   T index  Conditions    
01 May   116    Normal         

Flares: none.

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
Apr      123
May      113
Jun      111


2. FORECAST (02 MAY - 04 MAY)
Date   T index  Conditions       MUFs                              
02 May   110    Normal-fair      Near predicted monthly values
03 May   110    Normal           Near predicted monthly values    
04 May   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 43 was issued on 
1 May and is current for 2-4 May. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 01-May were near predicted 
monthly values. Spread F was observed at Hobart during local 
night hours. MUFs are expected to be near predicted monthly values 
over 02-04 May. Southern Australian region HF conditions may 
become mildly degraded during local night hours over the forecast 
period. Shortwave fadeouts are possible.

----------------------------------------------------------
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



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