[Ips-dsgr] IPS Daily Report - 14 August 02
rwc
rwc at ips.gov.au
Thu Aug 15 09:58:31 EST 2002
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 14/2330Z AUGUST 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 14 AUGUST AND FORECAST FOR 15 AUGUST - 17 AUGUST
STATUS INDICATORS SOL:** YELLOW ** MAG:** RED ** ION: GREEN
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1A. SOLAR SUMMARY
Activity 14 Aug: Moderate
Flares Max Fadeout Freq. Sectors
M2/1N 0212UT possible lower E. Asia/Aust.
M1/1F 1815UT possible lower East Pacific/
North American
Observed 10.7 cm flux/Equivalent Sunspot Number for 14 Aug: 208/159
1B. SOLAR FORECAST
15 Aug 16 Aug 17 Aug
Activity Moderate Moderate Moderate
Fadeouts Possible Possible Possible
10.7cm/SSN 210/161 215/165 215/165
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 14 Aug: Quiet to Unsettled
Estimated Indices 14 Aug : A K
Australian Region 10 2222 3333
Darwin 11 2222 3423
Townsville 8 2122 3322
Learmonth 13 2222 4433
Canberra 9 1122 4323
Hobart 12 1322 4334
Casey(Ant) 12 2332 333-
Davis(Ant) 21 -343 344-
Observed Regional daily pc3 Indices 14 AUG :
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Canberra 19 (Quiet)
Hobart 11 (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 14 Aug : A
Fredericksburg 12
Planetary 15
Observed AFr/Ap Indices 13 Aug : A K
Fredericksburg 9
Planetary 13 4433 3232
2B. MAGNETIC FORECAST
Date Ap Conditions
15 Aug 15 Unsettled to Active
16 Aug 30 Active to Minor storm
17 Aug 15 Unsettled to Active
COMMENT: A partial halo CME observed in association with the
M2-flare on 14 August is expected to impact the Earth late in
the UT day of 15 August to early on 16 August. Storm levels are
expected to follow.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
14 Aug Normal Normal Normal-Fair
PCA Event : Began at 1245UT 14/08, Ended at 1350UT 14/08
and, Began at 1545UT 14/08, Ended at 1825UT 14/08
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
15 Aug Normal Normal Normal-Fair
16 Aug Fair Fair Fair-Poor
17 Aug Normal Normal Normal-Fair
COMMENT: Degraded HF conditions expected during the forecast
period, particularly during local night hours, at mid to high
latitudes.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
14 Aug 132
Observed Australian Regional MUFs
Equatorial PNG Region:
Enhanced by 25% during local day,
Enhanced by 95% during local night.
Enhanced by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 35% during local night.
Southern Australian and New Zealand Region:
Enhanced by 15% during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 35% over the UT day.
Predicted Monthly T index for August: 102
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
15 Aug 115 Near predicted monthly values
16 Aug 95 Near predicted monthly values/depressed 10-20%.
17 Aug 105 Near predicted monthly values
COMMENT: IPS HF Communications Warning 37 was issued on 13 August
and is current for interval 13-15 August (SWFs) .
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 13 Aug
Daily Proton Fluence >1 MeV: 1.2E+05
Daily Proton Fluence >10 MeV: 1.8E+04
Daily Electron Fluence >2 MeV: 3.30E+07 (normal)
X-ray background: B9.3
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
ACE Satellite Solar Wind Day Averaged Data for 13 Aug
Speed: 464 km/sec Density: 2.7 p/cc Temp: 134000 K Bz: -4 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/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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