[Ips-dhfpr] SWS Daily HF Prop Report - 14 January 18 issued 2346 UT on 14 Jan 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Mon Jan 15 10:46:07 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 JANUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 JANUARY)
Date T index Conditions
14 Jan -4 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 during local day.
Enhanced by 35% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 20% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Dec -10
Jan 4
Feb 4
2. FORECAST (15 JANUARY - 17 JANUARY)
Date T index Conditions MUFs
15 Jan -15 Normal 15 to 25% below predicted monthly
values
16 Jan -5 Normal Near predicted monthly values/depressed
15 to 20%
17 Jan 5 Normal Near predicted monthly values
COMMENT: On UT day 14 Jan, MUFs experienced Minor to Moderate
MUF depressions in the Australian and Niue Island Regions. MUFs
were enhanced in all regions between approximately 0600 UT and
1200 UT due to active to minor geomagnetic storm levels in the
planetary K index early in the UT day, with Kp reaching 4 and
5. Periods of Sporadic E blanketing were also evident. On UT
day 15 Jan, MUFs are expected to experience minor to moderate
depressions due to the geomagnetic activity, returning to near
predicted monthly values on 16 Jan.
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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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