[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 March 26 issued 2330 UT on 24 Mar 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 MARCH 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 MARCH) 
Date   T index  Conditions    
24 Mar    52    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      98
Mar      87
Apr      85


2. FORECAST (25 MARCH - 27 MARCH)
Date   T index  Conditions       MUFs                              
25 Mar    70    Fair-normal      Depressed 10 to 20%/near predicted 
                                 monthly values
26 Mar    90    Normal           Near predicted monthly values    
27 Mar    90    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies in the southern Australian 
region on UT day 24-Mar were depressed 15-25%. In the northern 
Australian region MUFs were 20% depressed during the local night. 
Spread F was observed during the local night hours at Hobart, 
Canberra, Brisbane and Perth. Australian regional MUFs are expected 
to be mildly depressed by 10-20% to near predicted monthly values 
on 25-Mar and near predicted monthly values over 26-27 Mar.

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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