[Ips-dhfpr] SWS Daily HF Prop Report - 27 September 17 issued 2348 UT on 27 Sep 2017 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Sep 28 09:48:57 EST 2017
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 SEPTEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 SEPTEMBER)
Date T index Conditions
27 Sep 32 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian Region:
Enhanced by 15% during local day.
Enhanced by 35% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 10
Sep 5
Oct 4
2. FORECAST (28 SEPTEMBER - 30 SEPTEMBER)
Date T index Conditions MUFs
28 Sep 20 Fair Near predicted monthly values
29 Sep 15 Fair Near predicted monthly values
30 Sep 10 Normal-fair Near predicted monthly values
COMMENT: Over the last 24 hours, MUFs were near predicted monthly
values in the Northern Australian Region and enhanced in the
Southern and Antarctic regions. The two day outlook (28-29 September)
is for the MUFs to be slightly enhanced compared to the predicted
monthly levels, but with possible minor depressions at mid-high
latitudes in the early local mornings. This is in response to
Active to Minor Storm geomagnetic conditions associated with
the passage of a coronal hole. MUFs are expected to return to
near predicted monthly values on 30 September.
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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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