[Ips-dsgr] SWS Daily Report - 07 June 17 issued 2330 UT on 07 Jun 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Thu Jun 8 09:30:23 EST 2017
SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/07 JUNE 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 07 JUNE AND FORECAST FOR 08 JUNE - 10 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 07 Jun: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 07 Jun: 76/14
1B. SOLAR FORECAST
08 Jun 09 Jun 10 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 72/8
COMMENT: Solar activity was very low for the UT day, 7 June,
with two weak but moderately long duration C-class flares. Very
low levels of solar activity is expected for the next 3 UT days
(8-10 June) with a chance of C-class flares. No Earth-directed
CMEs were observed in the available LASCO imagery up to 07/1600
UT. The solar wind speed continued to trend near the nominal
level of between 300km/s and 375 km/s over the last 24 hours.
The IMF Bt was mostly steady near 4 nT during the UT day. The
Bz component of the IMF varied between -2 nT and +2 nT, with
no significant period of strong southward Bz conditions. The
two day outlook (8-9 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 07 Jun: Quiet
Estimated Indices 07 Jun : A K
Australian Region 2 12101001
Cocos Island 1 11100001
Darwin 2 12100101
Townsville 3 12201101
Learmonth 1 11110001
Alice Springs 2 12100001
Culgoora 3 12211001
Gingin 3 12211001
Camden 3 12111101
Canberra 1 01101000
Launceston 3 12211001
Hobart 1 01101000
Estimated Antarctic Regional K Indices 07 Jun :
Macquarie Island 1 00210000
Casey 3 12201111
Mawson 13 25322213
Observed Regional daily pc3 Indices 07 Jun :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice Springs 0 (Quiet)
Gingin 2 (Quiet)
Canberra 4 (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 07 Jun : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 06 Jun : A K
Fredericksburg 5
Planetary 6 2310 2112
2B. MAGNETIC FORECAST
Date Ap Conditions
08 Jun 7 Quiet
09 Jun 7 Quiet
10 Jun 7 Quiet
COMMENT: Magnetic conditions were again at quiet levels across
the Australian region during the UT day, 7 June. Mostly quiet
and occasional unsettled conditions are expected for the UT days
8-9 June.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
07 Jun Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
08 Jun Normal Normal Normal
09 Jun Normal Normal Normal
10 Jun Normal Normal Normal
COMMENT: Mostly near monthly predicted HF conditions and MUFs
are expected for today, 8 June.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
07 Jun 10
Observed Australian Regional MUFs
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
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
08 Jun 10 Near predicted monthly values
09 Jun 10 Near predicted monthly values
10 Jun 10 Near predicted monthly values
COMMENT: Mostly near predicted monthly MUFs were observed over
the Australian region on UT day 7 June. Expect similar MUF conditions
for the next three UT days, 8-10 June.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 06 Jun
Daily Proton Fluence >1 MeV: 1.4E+06
Daily Proton Fluence >10 MeV: 1.7E+04
Daily Electron Fluence >2 MeV: 1.00E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 2%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A9.2
DSCOVR Satellite Solar Wind Day Averaged Data for 06 Jun
Speed: 359 km/sec Density: 5.9 p/cc Temp: 73700 K Bz: 0 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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