[Ips-dhfpr] SWS Daily HF Prop Report - 27 July 22 issued 2331 UT on 27 Jul 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 JULY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JULY) 
Date   T index  Conditions    
27 Jul    50    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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
Jun      60
Jul      65
Aug      67


2. FORECAST (28 JULY - 30 JULY)
Date   T index  Conditions       MUFs                              
28 Jul    55    Normal           Near predicted monthly values
29 Jul    55    Normal           Near predicted monthly values    
30 Jul    55    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 27-Jul were 
near monthly predicted values. Spread-F was observed in the northern 
Australian region during local night hours. MUFs are generally 
expected to be near monthly predicted values over 28-30 Jul, 
with the possibility of mildly degraded conditions due to a possible 
increase in geomagnetic activity over 29-30 Jul.

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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
Level 2 Bice Building, Lot Fourteen Precinct, North Terrace, Adelaide SA 5000
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au