[Ips-dhfpr] SWS Daily HF Prop Report - 15 January 19 issued 2330 UT on 15 Jan 2019 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Wed Jan 16 10:30:22 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 JANUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 JANUARY)
Date T index Conditions
15 Jan -34 Normal-fair
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 20% 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 (16 JANUARY - 18 JANUARY)
Date T index Conditions MUFs
16 Jan -30 Normal-fair Depressed 15 to 30%/near predicted
17 Jan -30 Normal-fair Depressed 15 to 30%/near predicted
18 Jan -30 Normal-fair Depressed 15 to 30%/near predicted
COMMENT: On UT day 15 January, there were minor to moderate MUF
depressions across the Niue Island and Australian regions as
compared to the monthly predicted levels, with some severe MUF
depressions during the local night in the Northern Australian
region. Sporadic E layers were observed across the Australian
region and in Antarctica. Similar levels of ionospheric support
are expected for the next 3 days with MUFs either near predicted
monthly values or mildly to moderately depressed due to continued
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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