[Ips-dsgr] IPS Daily Report - 05 June 08
rwc
rwc at ips.gov.au
Fri Jun 6 09:29:10 EST 2008
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 05/2330Z JUNE 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 05 JUNE AND FORECAST FOR 06 JUNE - 08 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 05 Jun: Very low
Flares: None
Observed 10.7 cm flux/Equivalent Sunspot Number for 05 Jun: 66/0
1B. SOLAR FORECAST
06 Jun 07 Jun 08 Jun
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 67/0 67/0 68/2
COMMENT: The visible disk is spotless. The solar wind speed is
approximately 370 km/s at present.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 05 Jun: Quiet
Estimated Indices 05 Jun : A K
Australian Region 2 21111001
Darwin 3 12011111
Townsville 5 22221112
Learmonth 1 20110000
Camden 1 11011000
Canberra 0 00011000
Hobart 3 30021000
Casey(Ant) 3 21111111
Observed Regional daily pc3 Indices 05 Jun :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice_Springs 0 (Quiet)
Culgoora 0 (Quiet)
Camden 0 (Quiet)
Gnangara 2 (Quiet)
Canberra 0 (Quiet)
Hobart 0 (Quiet)
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 Space Environment Research Center, Japan.
Estimated AFr/Ap Indices 05 Jun : A
Fredericksburg 3
Planetary 5
Observed AFr/Ap Indices 04 Jun : A K
Fredericksburg 2
Planetary 4 2110 1102
2B. MAGNETIC FORECAST
Date Ap Conditions
06 Jun 7 Quiet
07 Jun 12 Unsettled
08 Jun 6 Quiet
COMMENT: The geomagnetic field may become unsettled late today
due to a coronal hole wind stream. This activity is expected
to persist on the 7th.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
05 Jun Normal-fair Normal-fair Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
06 Jun Normal Normal Normal
07 Jun Normal Normal Normal-Fair
08 Jun Normal Normal Normal
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
05 Jun -8
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Near predicted monthly values. Depressions to 50% at
Vanimo 02-11 UT and to 30% at Niue 03, 21-22 UT. Night
spread F observed at Niue.
Northern Australian Region:
Near predicted monthly values. Occasional depressions
to 30%, particularly at Darwin. Night spread F observed.
Southern Australian and New Zealand Region:
Near predicted monthly values. Occasional depressions
to 25% at Canberra, Hobart and Learmonth. Enhancements
to 30% at Christchurch 11-18 UT. Night spread F
observed at Christchurch, Hobart and Learmonth.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values. Depressions to 40%
at Casey and Mawson 04-08 UT. Spread F observed.
Predicted Monthly T index for June: 5
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
06 Jun 0 Near predicted monthly values
07 Jun 5 Near predicted monthly values
08 Jun 5 Near predicted monthly values
COMMENT: Occasional depressions to 30% possible. Night spread
F may continue to form and degrade night communications.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 04 Jun
Daily Proton Fluence >1 MeV: 2.1E+06
Daily Proton Fluence >10 MeV: 1.7E+04
Daily Electron Fluence >2 MeV: 2.70E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 4%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A1.0
ACE Satellite Solar Wind Day Averaged Data for 04 Jun
Speed: 436 km/sec Density: 0.7 p/cc Temp: 56000 K Bz: 0 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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