[Ips-dsgr] IPS Daily Report - 06 December 05
rwc
rwc at ips.gov.au
Wed Dec 7 10:30:44 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 06/2330Z DECEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 06 DECEMBER AND FORECAST FOR 07 DECEMBER - 09 DECEMBER
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 06 Dec: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 06 Dec: 89/33
1B. SOLAR FORECAST
07 Dec 08 Dec 09 Dec
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 90/34 90/34 85/27
COMMENT: Solar activity was very low over the UT day. No significant
flares were recorded in GOES Xrays. Solar activity is expected
to continue at very low levels today.
Previously M-flare(s) producing region 822 is due for return
to the south-east limb around 8 Dec.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 06 Dec: Quiet
Estimated Indices 06 Dec : A K
Australian Region 5 1222 2111
Darwin 3 1111 2111
Learmonth 5 1222 2111
Culgoora 3 1211 1111
Canberra 7 2--- ---1
Hobart 5 1222 2111
Casey(Ant) - ---- ----
Observed Regional daily pc3 Indices 06 Dec :
Townsville NA
Learmonth 0 (Quiet)
Culgoora 0 (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.
Estimated AFr/Ap Indices 06 Dec : A
Fredericksburg 3
Planetary 5
Observed AFr/Ap Indices 05 Dec : A K
Fredericksburg 2
Planetary 2 1100 0001
2B. MAGNETIC FORECAST
Date Ap Conditions
07 Dec 5 Quiet
08 Dec 6 Quiet
09 Dec 5 Quiet
COMMENT: Geomagnetic activity was generally quiet at all latitudes
over the UT day. Expect quiet geomagnetic conditions to prevail
for the next 24 hours.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
06 Dec Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
07 Dec Normal Normal Normal
08 Dec Normal Normal Normal-Fair
09 Dec Normal Normal Normal-Fair
COMMENT: HF conditions were normal over the UT day. These conditions
are expected to continue for the next 24 hours.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
06 Dec 23
Observed Australian Regional MUFs
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for December: 18
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
07 Dec 17 near predicted monthly values
08 Dec 16 near predicted monthly values
09 Dec 18 near predicted monthly values
COMMENT: Normal HF conditions prevailed in the Australian region
over the UT day. The strong sporadic E that has occurred overnight
for the previous two days was not evident last night. Normal
HF conditions are expected to continue for the next 24 hours.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 05 Dec
Daily Proton Fluence >1 MeV: 7.5E+05
Daily Proton Fluence >10 MeV: 1.4E+04
Daily Electron Fluence >2 MeV: 9.60E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:10%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A8.9
ACE Satellite Solar Wind Day Averaged Data for 05 Dec
Speed: 486 km/sec Density: 0.9 p/cc Temp: 34500 K Bz: 0 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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