[Ips-dhfpr] SWS Daily HF Prop Report - 20 December 17 issued 2332 UT on 20 Dec 2017 [SEC=UNCLASSIFIED]
rwc at ips.gov.au
Thu Dec 21 10:32:55 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 DECEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 DECEMBER)
Date T index Conditions
20 Dec -10 Normal-fair
Cocos Island Region:
No data available during.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
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 (21 DECEMBER - 23 DECEMBER)
Date T index Conditions MUFs
21 Dec -10 Normal-fair Near predicted monthly values
22 Dec -10 Normal-fair Near predicted monthly values
23 Dec -10 Normal-fair Near predicted monthly values
COMMENT: Propagation conditions has improved slightly over the
last 24 hours. Near predicted MUFs observed across Aus/NZ regions
with Minor depressions observed during the local night in the
equatorial region. Sporadic E blanketing also observed at times
across the Australian region. Similar, yet improving conditions
may be expected to prevail today, 21 Dec.
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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