[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 March 23 issued 2330 UT on 12 Mar 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 MARCH 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 MARCH) 
Date   T index  Conditions    
12 Mar   150    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 95% during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
      Enhanced by 65% after local dawn.
   Southern Australian Region:
      Enhanced by 40% during local day.
      Enhanced by 35% during local night.
      Enhanced by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      117
Mar      80
Apr      80


2. FORECAST (13 MARCH - 15 MARCH)
Date   T index  Conditions       MUFs                              
13 Mar   140    Normal           Near predicted monthly values 
                                 to 30-40% enhanced
14 Mar   120    Normal-fair      Near predicted monthly values    
15 Mar   100    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 12-Mar were 
15-65% enhanced in the Australian region, with the strongest 
enhancements observed in the northern Australian region after 
local dawn. Enhancements up to 95% were observed at Niue Island 
during local night. MUFs are expected to be 30-40% enhanced on 
13-Mar, and near monthly values over 14-15 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