[Ips-dhfpr] SWS Daily HF Prop Report - 18 February 19 issued 2330 UT on 18 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Tue Feb 19 10:30:22 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 FEBRUARY)
Date T index Conditions
18 Feb -1 Normal
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Niue Island Region:
No data available during local day.
No data available during local night.
Northern Australian Region:
Depressed by 25% during local day.
Enhanced by 40% 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
2. FORECAST (19 FEBRUARY - 21 FEBRUARY)
Date T index Conditions MUFs
19 Feb -5 Normal Near predicted monthly values
20 Feb -10 Normal Near predicted monthly values
21 Feb -10 Normal Near predicted monthly values
COMMENT: On UT day 18 February, MUFs were mostly near monthly
predicted levels over the Australian region. Moderate enhancements
were observed in Northern Australian and Cocos Island regions
during the local night. Moderate depressions were observed in
the Northern Australian region during the local day. During the
next three UT days, 19-21 February, MUFs are expected to be mostly
near monthly predicted levels. However, mild to moderate depressions
are possible due to continued very low levels of ionising radiation
from the Sun.
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
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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