[Ips-dsgr] IPS Daily Report - 27 July 01

rwc rwc at ips.gov.au
Sat Jul 28 09:13:34 EST 2001


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 27/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 27 JULY AND FORECAST FOR 28 JULY - 30 JULY
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 27 Jul:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 27 Jul: 121/73

GOES satellite data for 26 Jul
       Daily Proton Fluence >1 MeV:   1.5E+05
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 1.40E+07 (normal)
       X-ray background: B4.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             28 Jul             29 Jul             30 Jul
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   120/72             120/72             120/72

-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 27 Jul: Quiet 

Estimated Indices 27 Jul :  A   K           
   Australian Region       4   1122 2111
      Darwin               4   2122 1112
      Townsville           2   1011 1111
      Learmonth            8   2223 2222
      Canberra             5   1123 2111
      Hobart               5   1123 2111
    
Observed Regional daily pc3 Indices 27 JUL : 
      Darwin              23   (Quiet to unsettled)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Canberra            36   (Quiet to unsettled)
      Hobart              32   (Quiet to unsettled)
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 27 Jul : A 
           Fredericksburg         8
           Planetary              9                         

Observed AFr/Ap Indices 26 Jul :  A   K
           Fredericksburg        11
           Planetary             14   4423 3323     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
28 Jul     8    Quiet to Unsettled 
29 Jul     8    Quiet to Unsettled 
30 Jul     8    Quiet to Unsettled 
COMMENT: Quiet conditions are expected. 
-----------------------------------------------------------
3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
27 Jul      Normal         Normal         Normal-Fair
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
28 Jul      Normal         Normal         Normal-Fair
29 Jul      Normal         Normal         Normal-Fair
30 Jul      Normal         Normal         Normal-Fair

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
27 Jul   102

Observed Australian Regional MUFs
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% 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.


Predicted Monthly T index for July: 115

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
28 Jul   115    Near predicted monthly values 
29 Jul   115    Near predicted monthly values 
30 Jul   115    Near predicted monthly values 


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