[Ips-dsgr] IPS Daily Report - 18 July 01

rwc rwc at ips.gov.au
Thu Jul 19 09:43:30 EST 2001


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 18/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 18 JULY AND FORECAST FOR 19 JULY - 21 JULY
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 18 Jul:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 18 Jul: 143/97

GOES satellite data for 17 Jul
       Daily Proton Fluence >1 MeV:   7.7E+04
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 6.60E+06 (normal)
       X-ray background: B5.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             19 Jul             20 Jul             21 Jul
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   145/99             145/99             140/94




-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 18 Jul: Quiet to Unsettled 

Estimated Indices 18 Jul :  A   K           
   Australian Region       8   2332 2211
      Darwin               9   2332 2221
      Townsville           4   2220 1210
      Learmonth           10   2332 2322
      Canberra             8   2332 2211
      Hobart               8   2332 2211
    
Observed Regional daily pc3 Indices 18 JUL : 
      Darwin              10   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Canberra            23   (Quiet to unsettled)
      Hobart              40   (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 18 Jul : A 
           Fredericksburg         8
           Planetary             10                         

Observed AFr/Ap Indices 17 Jul :  A   K
           Fredericksburg        11
           Planetary             17   4433 3333     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
19 Jul    10    Quiet to Unsettled 
20 Jul    10    Quiet to Unsettled 
21 Jul    10    Quiet to Unsettled 

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

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
19 Jul      Normal         Normal         Normal-Fair
20 Jul      Normal         Normal         Normal-Fair
21 Jul      Normal         Normal         Normal-Fair

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
18 Jul   113

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Enhanced greater than 15%.
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted to enhanced 25% at times.


Predicted Monthly T index for July: 115

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
19 Jul   115    near predicted monthly values 
20 Jul   115    near predicted monthly values 
21 Jul   115    Near predicted monthly values 


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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