[Ips-dsgr] IPS Daily Report - 04 February 06
rwc
rwc at ips.gov.au
Sun Feb 5 10:00:29 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 04/2330Z FEBRUARY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 04 FEBRUARY AND FORECAST FOR 05 FEBRUARY - 07 FEBRUARY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 04 Feb: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 04 Feb: 77/16
1B. SOLAR FORECAST
05 Feb 06 Feb 07 Feb
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 77/16 77/16 77/16
COMMENT: Solar activity was very low over the last
24 hours. The solar wind speed showed fluctuations
between 360 and 390 km/s throughout the UT day today.
The north-south component of the interplanetary magnetic
field, Bz, showed minor to mild (upto +/- 5nT approx.)
fluctuations the whole day staying slightly negative
during the first half and slightly positive during the
second half of the UT day for relatively longer periods.
Solar activity is expected to remain at very low levels
during the next three days.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 04 Feb: Mostly quiet with
isolated unsettled conditions.
Estimated Indices 04 Feb : A K
Australian Region 6 32212201
Darwin 4 22211101
Learmonth 3 22111100
Culgoora 5 21------
Camden 5 22211211
Canberra 7 42-12200
Hobart 4 22212200
Casey(Ant) 9 4--32111
Observed Regional daily pc3 Indices 04 Feb :
Canberra 0 (Quiet)
Learmonth 0 (Quiet)
Culgoora 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.
Estimated AFr/Ap Indices 04 Feb : A
Fredericksburg 5
Planetary 6
Observed AFr/Ap Indices 03 Feb : A K
Fredericksburg 3
Planetary 4 0001 0121
2B. MAGNETIC FORECAST
Date Ap Conditions
05 Feb 5 Quiet
06 Feb 5 Quiet
07 Feb 5 Quiet
COMMENT: Mostly quiet geomagnetic conditions with isolated
unsettled conditions were observed over the last 24 hours.
Almost similar conditions are expected to continue for the
next three days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
04 Feb Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
05 Feb Normal Normal Normal
06 Feb Normal Normal Normal
07 Feb Normal Normal Normal
COMMENT: HF conditions are expected to remain mostly normal
on most locations during the next three days as no significant
rise in geomagnetic activity is expected during this period.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
04 Feb 18
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for February: 16
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
05 Feb 24 near predicted monthly values
06 Feb 24 near predicted monthly values
07 Feb 24 near predicted monthly values
COMMENT: HF conditions are expected to remain mostly normal
almost all over Aus/NZ regions during the next three days.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 03 Feb
Daily Proton Fluence >1 MeV: 1.2E+06
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 1.10E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 0%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A1.0
ACE Satellite Solar Wind Day Averaged Data for 03 Feb
Speed: 360 km/sec Density: 2.6 p/cc Temp: 60200 K Bz: 2 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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