[Ips-dsgr] SWS Daily Report - 08 June 17 issued 2330 UT on 08 Jun 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Fri Jun 9 09:30:20 EST 2017
SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/08 JUNE 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 08 JUNE AND FORECAST FOR 09 JUNE - 11 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 08 Jun: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 08 Jun: 74/11
1B. SOLAR FORECAST
09 Jun 10 Jun 11 Jun
Activity Very low to low Very low to low Very low to low
Fadeouts None expected None expected None expected
10.7cm/SSN 72/8 72/8 75/13
COMMENT: Solar activity was very low for the UT day, 8 June,
with no notable flares. Very low levels of solar activity is
expected for the next 3 UT days (9-11 June) with a chance of
C-class flares. No Earth-directed CMEs were observed in the available
LASCO imagery up to 08/1700 UT. The solar wind speed continued
to trend near the nominal level of 310 km/s over the last 24
hours. The IMF Bt was mostly steady near 3 nT during the UT day.
The Bz component of the IMF varied between -4 nT and +2 nT, with
no significant period of southward Bz conditions. The two day
outlook (9-10 June) is for the solar winds to continue to trend
near the nominal levels.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 08 Jun: Quiet
Estimated Indices 08 Jun : A K
Australian Region 0 11000000
Darwin 0 10000000
Townsville 1 11100001
Learmonth 1 10100001
Alice Springs 0 11000000
Culgoora 0 01000000
Gingin 0 10000100
Camden 0 11000000
Canberra 0 00000000
Launceston 0 01001000
Hobart 0 00001000
Estimated Antarctic Regional K Indices 08 Jun :
Macquarie Island 0 00001000
Casey 2 22101100
Mawson 4 32200002
Observed Regional daily pc3 Indices 08 Jun :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice Springs 0 (Quiet)
Gingin 0 (Quiet)
Canberra 0 (Quiet)
Melbourne NA
Pc3 pulsations are high frequency (10-45 second period) variations
of the Earths magnetic field. Daily pc3-indices are the daily sum
of 20 minute pc3-indices for that station and have been shown to be
well correlated with rejection of high resolution aeromagnetic
survey flight-line data.
NOTE: Indices may have been generated from data obtained in
cooperation with the following organisations: Geoscience Australia,
University of Newcastle Space Physics Group, Australian Government
Antarctic Division and International Center for Space Weather
Science and Education, Japan.
Estimated AFr/Ap Indices 08 Jun : A
Fredericksburg 4
Planetary 5
Observed AFr/Ap Indices 07 Jun : A K
Fredericksburg 5
Planetary 6 2221 1112
2B. MAGNETIC FORECAST
Date Ap Conditions
09 Jun 5 Quiet
10 Jun 5 Quiet
11 Jun 5 Quiet
COMMENT: Magnetic conditions were again at quiet levels across
the Australian region during the UT day, 8 June. Mostly quiet
and occasional unsettled conditions are expected for the UT days
9-10 June.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
08 Jun Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
09 Jun Normal Normal Normal
10 Jun Normal Normal Normal
11 Jun Normal Normal Normal
COMMENT: Mostly near monthly predicted HF conditions and MUFs
are expected for today, 9 June.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
08 Jun 9
Observed Australian Regional MUFs
Cocos Island Region:
No data available
Niue Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Monthly T index:
Month T index
May 10
Jun 10
Jul 9
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
09 Jun 10 Near predicted monthly values
10 Jun 10 Near predicted monthly values
11 Jun 10 Near predicted monthly values
COMMENT: Mostly near predicted monthly MUFs were observed over
the Australian region on UT day 8 June. Expect similar MUF conditions
for the next three UT days, 9-11 June.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 07 Jun
Daily Proton Fluence >1 MeV: 1.1E+06
Daily Proton Fluence >10 MeV: 1.8E+04
Daily Electron Fluence >2 MeV: 1.60E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 3%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A8.1
DSCOVR Satellite Solar Wind Day Averaged Data for 07 Jun
Speed: 341 km/sec Density: 10.6 p/cc Temp: 17300 K Bz: -1 nT
(Courtesy Space Weather Prediction Center, Boulder USA)
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Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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