[Ips-dhfpr] ASWFC Daily HF Prop Report - 16 March 23 issued 2331 UT on 16 Mar 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 MARCH 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 MARCH) 
Date   T index  Conditions    
16 Mar   136    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 105% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 35% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 25% during local night.
      Enhanced by 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : 10MeV Proton/PCA Event Began at 1740UT 14/03, Ended at 0515UT 15/03

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


2. FORECAST (17 MARCH - 19 MARCH)
Date   T index  Conditions       MUFs                              
17 Mar   135    Normal           Near predicted monthly values 
                                 to 20-30% enhanced
18 Mar   140    Normal           Near predicted monthly values 
                                 to 20-30% enhanced    
19 Mar   140    Normal           Near predicted monthly values 
                                 to 20-30% enhanced   

COMMENT: Maximum usable frequencies (MUFs) on UT day 16-Mar in 
the Australian region were enhanced by 15-40% over the local 
day and night. Sporadic-E was briefly observed in my northern 
region sites during local night. Scintillation was observed at 
Darwin from 16/1437-1459UT. MUFs are expected to be enhanced 
by 20-30% over 17-19 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