[Ips-dhfpr] SWS Daily HF Prop Report - 24 January 19 issued 2330 UT on 24 Jan 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Fri Jan 25 10:30:20 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 JANUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 JANUARY)
Date T index Conditions
24 Jan -20 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 25% during local day.
Depressed by 20% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Depressed by 15% during local day.
Depressed 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
Dec -32
Jan -12
Feb -13
2. FORECAST (25 JANUARY - 27 JANUARY)
Date T index Conditions MUFs
25 Jan -20 Normal Near predicted monthly values
26 Jan -15 Normal Near predicted monthly values
27 Jan -15 Normal Near predicted monthly values
COMMENT: On UT day 24 January, MUFs were slightly depressed over
most Australian region as the aftermath of the recent geomagnetic
disturbance associated with the coronal hole. Near predicted
to depressed MUFs are expected for the next two UT days (25-26
January), as a consequence of very low levels of ionising radiation
from the Sun and recent disturbed geomagnetic conditions associated
with the coronal hole.
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For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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