[Ips-dhfpr] SWS Daily HF Prop Report - 08 September 17 issued 2354 UT on 08 Sep 2017 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Sat Sep 9 09:54:42 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 SEPTEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (08 SEPTEMBER)
Date T index Conditions
08 Sep 47 Fair-normal
Flares Max Fadeout Freq. Sectors
M3.9 0000UT possible lower West Pacific
M1.3 0224UT possible lower E. Asia/Aust.
M8.1 0749UT probable lower Mid East/Indian
M3.0 1547UT possible lower South American/
Atlantic
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Niue Island Region:
Enhanced by 35% during local day.
Near predicted monthly values during local night.
Enhanced by 35% after local dawn.
Northern Australian Region:
Enhanced by 35% during local day.
Enhanced by 45% during local night.
Enhanced by 25% after local dawn.
Southern Australian Region:
Enhanced by 35% during local day.
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
No data available over the UT day.
PCA Event : 10MeV Proton/PCA Event Began at 0020UT 05/09, Ended at 1455UT 08/09
and, 10MeV Proton/PCA Event Began 09 09 2017 0245UT and is in progress
Monthly T index:
Month T index
Aug 10
Sep 5
Oct 4
2. FORECAST (09 SEPTEMBER - 11 SEPTEMBER)
Date T index Conditions MUFs
09 Sep -10 Poor-fair 20 to 30% below predicted monthly
values
10 Sep -10 Poor-fair 20 to 30% below predicted monthly
values
11 Sep 5 Normal-fair Near predicted monthly values
COMMENT: SWS SWF HF Communications Warning 38 was issued on 7
September and is current for 7-9 Sep. SWS HF Communications Warning
39 was issued on 7 September and is current for 8-10 Sep. Maximum
usable frequencies (MUFs) were near predicted monthly values
to enhanced in the Aus/NZ region over the last 24 hours. Spread
F and Sporadic E blaketing observed at most locations. Expect
similar conditions to prevail on 09-10 September with MUF depressions.
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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
Bureau of Meteorology
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