[Ips-dsgr] IPS Daily Report - 08 June 06
rwc
rwc at ips.gov.au
Fri Jun 9 09:39:37 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 08/2330Z JUNE 2006 BY IPS RADIO AND SPACE 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: 80/20
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 80/20 80/20 80/20
COMMENT: Solar activity remained very low today. Region 892
(S06E14) produced a few low B-class flares. Due to the effect
of the coronal hole the solar wind speed remained between 600
and 670 km/s for most part of the UTday today. The north-south
component of the interplanetary magnetic field (Bz) showed minor
to moderate fluctuations on both sides of the normal value
throughout the day. Solar activity is expected to remain at
very low to low levels for the next three days.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 08 Jun: Quiet to Active
Estimated Indices 08 Jun : A K
Australian Region 14 33433322
Darwin 13 33333322
Learmonth 19 33453332
Culgoora 12 33432222
Camden 12 33432222
Canberra 18 34533322
Hobart 16 34433322
Casey(Ant) 18 33433-43
Observed Regional daily pc3 Indices 08 Jun :
Canberra 74 (Active)
Learmonth 2 (Quiet)
Culgoora 31 (Quiet to unsettled)
Hobart 51 (Unsettled)
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.
Estimated AFr/Ap Indices 08 Jun : A
Fredericksburg 22
Planetary 25
Observed AFr/Ap Indices 07 Jun : A K
Fredericksburg 18
Planetary 24 4443 3344
2B. MAGNETIC FORECAST
Date Ap Conditions
09 Jun 14 Unsettled to Active
10 Jun 10 Quiet to Unsettled
11 Jun 8 Quiet to Unsettled
COMMENT: The currently going on coronal hole effect is
expected to keep the geomagnetic activity enhanced upto
active levels on 09 June. The activity level is expected
to decline to quiet to unsettled levels thereafter.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
08 Jun Normal Normal-fair Normal-poor
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
09 Jun Normal Normal-fair Fair
10 Jun Normal Normal Normal-fair
11 Jun Normal Normal Normal
COMMENT: Minor to moderate degradations in HF conditions
may be observed at high and some mid latitude locations
on 09 June.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
08 Jun 15
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly near prediceted monthly values with occassional
enhancements and periods of degradations.
Predicted Monthly T index for June: 15
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
09 Jun 17 near predicted monthly values
10 Jun 19 Near predicted monthly values
11 Jun 20 Near predicted monthly values
COMMENT: HF conditions are expected to remain mostly
normal in Aus/NZ regions for the next three days with
some possibility of minor to moderate degradations in
southern regions on 09 June.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 07 Jun
Daily Proton Fluence >1 MeV: 5.5E+05
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 2.80E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 4%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A6.0
ACE Satellite Solar Wind Day Averaged Data for 07 Jun
Speed: 620 km/sec Density: 3.2 p/cc Temp: 275000 K Bz: -1 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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