[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 March 26 issued 2330 UT on 12 Mar 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 MARCH 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 MARCH) 
Date   T index  Conditions    
12 Mar    92    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   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
Feb      98
Mar      87
Apr      85


2. FORECAST (13 MARCH - 15 MARCH)
Date   T index  Conditions       MUFs                              
13 Mar   100    Normal           Near predicted monthly values
14 Mar    85    Normal-fair      Near predicted monthly values    
15 Mar    90    Normal-fair      Near predicted monthly values 
                                 to 15% depressed   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 12-Mar were mostly near predicted monthly values. 
Signal spreading was observed in Hobart during local night hours. 
MUFs are expected to be near predicted values over 13-14 Mar, 
then up to 15% depressed by 15-Mar due to anticipated geomagnetic 
activity.

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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