[Ips-dsgr] IPS Daily Report - 29 July 01

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SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 29/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 29 JULY AND FORECAST FOR 30 JULY - 01 AUGUST
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
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1A. SOLAR SUMMARY
Activity 29 Jul:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 29 Jul: 117/69

GOES satellite data for 28 Jul
       Daily Proton Fluence >1 MeV:   1.2E+05
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 6.50E+07 (normal)
       X-ray background: B5.9
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             30 Jul             31 Jul             01 Aug
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   120/72             120/72             120/72
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 29 Jul: Quiet 

Estimated Indices 29 Jul :  A   K           
   Australian Region       4   1221 2101
      Darwin               3   1211 1110
      Townsville           1   0110 1102
      Learmonth            5   2221 2212
      Canberra             2   1120 2001
      Hobart               3   0221 2001
    
Observed Regional daily pc3 Indices 29 JUL : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            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 29 Jul : A 
           Fredericksburg         8
           Planetary              7                         

Observed AFr/Ap Indices 28 Jul :  A   K
           Fredericksburg         2
           Planetary              5   2002 2222     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
30 Jul     7    Quiet 
31 Jul     6    Quiet 
01 Aug    10    Quiet to Unsettled 

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3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
29 Jul      Normal         Normal         Normal-fair    
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
30 Jul      Normal         Normal         Normal
31 Jul      Normal         Normal         Normal
01 Aug      Normal         Normal         Normal-Fair
COMMENT: Slightly lower than normal MUFs may be experieneced 
at some high latitudes sites early in the UT day today. 
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
29 Jul    97

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Some spread F observed.


Predicted Monthly T index for July: 115

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
30 Jul   110    Near predicted monthly values 
31 Jul   115    Near predicted monthly values 
01 Aug   115    Near predicted monthly values 
COMMENT: Mildly degraded conditions observed local night hours. 
Mild depressions possible today at some southern regions sites. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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