[Ips-dhfpr] SWS Daily HF Prop Report - 22 March 17 issued 2330 UT on 22 Mar 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at sws.bom.gov.au
Thu Mar 23 10:30:27 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 MARCH 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 MARCH)
Date T index Conditions
22 Mar 14 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 15% during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Depressed by 20% during local day.
Near predicted monthly values 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
Feb 10
Mar 16
Apr 15
2. FORECAST (23 MARCH - 25 MARCH)
Date T index Conditions MUFs
23 Mar 10 Normal-fair 10 to 30% below predicted monthly
values
24 Mar 12 Normal-fair Depressed 5 to 15%/near predicted
monthly values
25 Mar 15 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 20 was issued on 21 March
and is current for 22-23 Mar. MUFs across the Australian/NZ region
were mostly near predicted monthly values today (22 March, UT)
with some periods of minor depressions in some northern and southern
regions. Minor MUF enhancements were also observed at times in
the northern regions. Minor to moderate MUF depressions and degradations
in HF conditions are expected in the Australian/NZ regions on
23 and 24 March due to expected continued rise in geomagnetic
activity levels on these days. HF conditions are expected to
return to mostly normal levels by 25 March.
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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
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