[Ips-dsgr] IPS Daily Report - 02 August 06
rwc
rwc at ips.gov.au
Thu Aug 3 09:20:11 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 02/2330Z AUGUST 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 02 AUGUST AND FORECAST FOR 03 AUGUST - 05 AUGUST
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 02 Aug: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 02 Aug: 72/8
1B. SOLAR FORECAST
03 Aug 04 Aug 05 Aug
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 70/5 70/5 70/5
COMMENT: Solar wind is presently 550 km/s. The interplanetary
Bz component has fluctuated around zero for the last 24 hours
with a short period around 10 and 21 UTC where it went southward.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 02 Aug: Quiet
Estimated Indices 02 Aug : A K
Australian Region 6 22222212
Darwin 5 22221112
Learmonth 5 22222012
Culgoora 6 22221212
Camden 7 22222222
Canberra 7 22322212
Hobart 6 22222212
Casey(Ant) 12 34332222
Observed Regional daily pc3 Indices 02 Aug :
Charters_Towers 2 (Quiet)
Alice_Springs 2 (Quiet)
Culgoora 6 (Quiet)
Canberra 20 (Quiet)
Hobart 16 (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 02 Aug : A
Fredericksburg 10
Planetary 10
Observed AFr/Ap Indices 01 Aug : A K
Fredericksburg 9
Planetary 12 2443 2212
2B. MAGNETIC FORECAST
Date Ap Conditions
03 Aug 8 Quiet to Unsettled
04 Aug 6 Quiet
05 Aug 6 Quiet
COMMENT: Expect geomagnetic activity to return to quiet as coronal
hole rotates out of geoeffective position.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
02 Aug Normal Normal Normal-poor
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
03 Aug Normal Normal Normal-Fair
04 Aug Normal Normal Normal
05 Aug Normal Normal Normal
COMMENT: Expect normal conditions for this period in the solar
cycle with possible isolated cases of sporadic E at low latitudes.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
02 Aug 18
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for August: 12
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
03 Aug 15 near predicted monthly values
04 Aug 14 near predicted monthly values
05 Aug 12 near predicted monthly values
COMMENT: Expect normal condition to prevail in the Australian
region.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 01 Aug
Daily Proton Fluence >1 MeV: 6.9E+05
Daily Proton Fluence >10 MeV: 1.6E+04
Daily Electron Fluence >2 MeV: 2.60E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 0%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A1.4
ACE Satellite Solar Wind Day Averaged Data for 01 Aug
Speed: 580 km/sec Density: 3.1 p/cc Temp: 186000 K Bz: 1 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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