[Ips-dhfpr] SWS Daily HF Prop Report - 25 September 16 issued 2351 UT on 25 Sep 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Mon Sep 26 09:51:13 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 SEPTEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 SEPTEMBER)
Date T index Conditions
25 Sep 38 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 29
Sep 35
Oct 34
2. FORECAST (26 SEPTEMBER - 28 SEPTEMBER)
Date T index Conditions MUFs
26 Sep 20 Normal-fair Near predicted monthly values/depressed
10 to 20%
27 Sep 10 Fair Depressed 10%-30%/near predicted
monthly values
28 Sep 10 Normal-fair Depressed 10%-30%/near predicted
monthly values
COMMENT: Observed MUF's near predicted monthly values for most
regions over the last 24 hours with notable depressions for Equatorial
regions and disturbed ionospheric support for Antarctic stations
due to increased geomagnetic activity. Geomagnetic activity is
expected to reach Active levels with possible Minor Storm periods
for 26Sep-28Sep due to recurrent coronal hole effects resulting
in depressed MUFs of 10%-30% for Southern AUS/NZ and Northern
AUS regions and poor ionospheric support for Antarctic stations
over the next 3 days.
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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.
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