[Ips-dhfpr] ASWFC Daily HF Prop Report - 09 March 23 issued 2330 UT on 09 Mar 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 MARCH 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 MARCH) 
Date   T index  Conditions    
09 Mar   138    Normal         

Flares: none.   

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 20-65%.
   Northern Australian Region:
      Enhanced by 15-45%.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   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 (10 MARCH - 12 MARCH)
Date   T index  Conditions       MUFs                              
10 Mar   115    Normal           10 to 20% above predicted monthly 
                                 values
11 Mar   115    Normal           10 to 20% above predicted monthly 
                                 values    
12 Mar   115    Normal           10 to 20% above predicted monthly 
                                 values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 09-Mar were 
near predicted monthly values to 45% enhanced in the Australian 
region, with very strong enhancements observed at Niue. Strong 
ionospheric scintillation was observed at Niue 09/0712-0840UT. 
MUFs are expected to be near predicted monthly values to 20% 
enhanced over 10-12 Mar. Isolated minor HF fadeouts 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