[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 March 24 issued 2330 UT on 12 Mar 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 MARCH 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 MARCH) 
Date   T index  Conditions    
12 Mar   121    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values to 50% enhanced.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      138
Mar      111
Apr      112


2. FORECAST (13 MARCH - 15 MARCH)
Date   T index  Conditions       MUFs                              
13 Mar   110    Normal           Near predicted monthly values
14 Mar   110    Normal-fair      Near predicted monthly values    
15 Mar   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 26 was issued on 
11 March and is current for 11-13 Mar. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 12-Mar were generally 
near predicted monthly values. Enhancements of 50% were observed 
at Darwin late in the local day and during local night hours. 
Minor scintillation was observed at Darwin and Weipa 12/12-15UT. 
Minor spread F was observed at Perth during local night hours. 
MUFs are expected to be near predicted monthly values over 13-15 
Mar. Isolated shortwave fadeouts are possible.

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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