[Ips-dhfpr] SWS Daily HF Prop Report - 31 July 16 issued 2350 UT on 31 Jul 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Mon Aug 1 09:50:00 EST 2016
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 JULY 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (31 JULY)
Date T index Conditions
31 Jul 16 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 25% during local day.
Depressed by 20% during local night.
Depressed by 35% after local dawn.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 30% during local day.
Depressed by 25% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Depressed by 15% 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
Jun 31
Jul 42
Aug 40
2. FORECAST (01 AUGUST - 03 AUGUST)
Date T index Conditions MUFs
01 Aug 20 Normal-fair Near predicted monthly values
02 Aug 5 Fair-normal 15 to 30% below predicted monthly
values
03 Aug 5 Fair-normal 15 to 30% below predicted monthly
values
COMMENT: SWS HF Communications Warning 37 was issued on 31 July
and is current for 31 Jul to 1 Aug. Depressed MUF's observed
over all regions during the last 24 hours with isolated enhancements
for some Northern AUS and Southern AUS/NZ regions. Disturbed
ionospheric support for Antarctic regions. Continued MUF depressions
are expected over the next 24 hours. Chance of disturbed ionospheric
support for Southern AUS/NZ regions and overall MUF depressions
of 15-30% for 02Aug-03Aug due to increased geomagnetic activity.
----------------------------------------------------------
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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