[Ips-dhfpr] ASWFC Daily HF Prop Report - 30 January 23 issued 0001 UT on 31 Jan 2023 [SEC=OFFICIAL]

rwc rwc at ips.gov.au
Tue Jan 31 11:01:51 EST 2023


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 JANUARY) 
Date   T index  Conditions    
30 Jan   119    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Enhanced by 30% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 35% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      84
Jan      71
Feb      72


2. FORECAST (31 JANUARY - 02 FEBRUARY)
Date   T index  Conditions       MUFs                              
31 Jan   110    Normal           Near to 15% above predicted 
                                 monthly values
01 Feb   110    Normal           Near to 15% above predicted 
                                 monthly values    
02 Feb   110    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Southern Australian 
region on UT day 30-Jan were near predicted monthly values to 
20% enhanced and MUFs in the Northern Australian region were 
15-35% enhanced. Significant sporadic E was observed at Hobart, 
Canberra, Brisbane, Darwin and Cocos Islands, mostly during local 
night. Small amounts of sporadic E was observed across the Australian 
region during local night. Spread F was observed at Hobart. MUFs 
are expected to be near predicted monthly values to 15% enhanced 
over 31-Jan to 2-Feb. Sporadic E is possible during local night, 
affecting lower frequencies.

----------------------------------------------------------
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



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