[Ips-dhfpr] SWS Daily HF Prop Report - 14 February 19 issued 2330 UT on 14 Feb 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Fri Feb 15 10:30:26 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 FEBRUARY)
Date T index Conditions
14 Feb -20 Normal
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Niue Island Region:
Depressed by 35% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Enhanced by 65% during local night.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 25% 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
2. FORECAST (15 FEBRUARY - 17 FEBRUARY)
Date T index Conditions MUFs
15 Feb -20 Normal-fair Near predicted monthly values/depressed
10 to 25%
16 Feb -20 Normal-fair Near predicted monthly values/depressed
10 to 25%
17 Feb -20 Normal-fair Near predicted monthly values/depressed
10 to 25%
COMMENT: On UT day 14 February, MUFs were moderately depressed
across Southern Australian region. In Northern Australian region
MUFs were mostly enhanced. During the next three UT days, 15-17
February, mild to moderate depressions are likely due to continued
very low levels of ionising radiation from the Sun and the recent
increase in geomagnetic activity on UT days 13-14 February.
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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