[Ips-dsgr] IPS Daily Report - 02 July 06
rwc
rwc at ips.gov.au
Mon Jul 3 09:34:55 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 02/2330Z JULY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 02 JULY AND FORECAST FOR 03 JULY - 05 JULY
STATUS INDICATORS SOL:GREEN MAG:** YELLOW ** ION: GREEN
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1A. SOLAR SUMMARY
Activity 02 Jul: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 02 Jul: 87/30
1B. SOLAR FORECAST
03 Jul 04 Jul 05 Jul
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 85/27 85/27 85/27
COMMENT: Solar activity should remain at low levels next three
days. Solar wind speed has declined to nominal levels. Solar
radio noise has increased slightly as active regions 897 and
898 rotate towards solar central meridian.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 02 Jul: Quiet
Estimated Indices 02 Jul : A K
Australian Region 2 11111011
Darwin 1 11110001
Learmonth 0 00100000
Culgoora 0 01100000
Camden 6 22212122
Canberra 0 00100000
Hobart 0 00100000
Casey(Ant) 7 22222222
Observed Regional daily pc3 Indices 02 Jul :
Canberra 11 (Quiet)
Learmonth 0 (Quiet)
Culgoora 6 (Quiet)
Hobart 8 (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 Jul : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 01 Jul : A K
Fredericksburg 3
Planetary 5 1210 1211
2B. MAGNETIC FORECAST
Date Ap Conditions
03 Jul 15 Quiet. Active periods late in UT day.
04 Jul 20 Unsettled to active
05 Jul 20 Unsettled to active
COMMENT: Solar wind parameters are at nominal levels and the
geomagnetic field is quiet. A recurrent coronal hole wind stream
is anticipated to arrive late in the UT day today, bringing active
intervals for the following two days.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
02 Jul Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
03 Jul Normal Normal Normal
04 Jul Normal Normal Normal-fair
05 Jul Normal Normal Normal-fair
COMMENT: Expect mostly normal HF conditions day one. Possible
periods of disturbance mainly local night at mid to high latitudes
days two and three.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
02 Jul 18
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by up to 80% over the UT day.
Predicted Monthly T index for July: 13
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
03 Jul 20 near predicted monthly values
04 Jul 20 near predicted monthly values
05 Jul 15 near predicted monthly values
COMMENT: Evening and night time spread-F observed Equatorial/N
Aus regions. Variable daytime depressions observed Equatorial/N
Aus regions. Possible disturbances mainly local night hours S
Aus/NZ/Antarctic regions days two and three due to a recurrent
coronal hole wind stream.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 01 Jul
Daily Proton Fluence >1 MeV: 4.3E+05
Daily Proton Fluence >10 MeV: 1.7E+04
Daily Electron Fluence >2 MeV: 1.30E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 2%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A5.9
ACE Satellite Solar Wind Day Averaged Data for 01 Jul
Speed: 427 km/sec Density: 3.1 p/cc Temp: 45600 K Bz: 0 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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PO Box 1386 WWW: http://www.ips.gov.au
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