[Ips-dsgr] IPS Daily Report - 26 July 01

rwc rwc at ips.gov.au
Fri Jul 27 09:22:34 EST 2001


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 26/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 26 JULY AND FORECAST FOR 27 JULY - 29 JULY
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 26 Jul:  Very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 26 Jul: 123/76

GOES satellite data for 25 Jul
       Daily Proton Fluence >1 MeV:   5.8E+05
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 2.40E+06 (normal)
       X-ray background: B4.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             27 Jul             28 Jul             29 Jul
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   125/78             120/72             120/72

COMMENT: A solar region in the north west quadrant of the solar 
disk has shown growth overnight. However, this region remains 
magnetically simple. 

-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 26 Jul: Quiet to Unsettled 

Estimated Indices 26 Jul :  A   K           
   Australian Region       9   3312 3122
      Darwin               8   3312 2122
      Townsville           6   3221 2021
      Learmonth           13   4322 3232
      Canberra             8   3312 3022
      Hobart               8   3312 3021
    
Observed Regional daily pc3 Indices 26 JUL : 
      Darwin              35   (Quiet to unsettled)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Canberra            65   (Active)
      Hobart              68   (Active)

Estimated AFr/Ap Indices 26 Jul : A 
           Fredericksburg        15
           Planetary             16                         

Observed AFr/Ap Indices 25 Jul :  A   K
           Fredericksburg        21
           Planetary             22   3454 3443     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
27 Jul    10    Quiet to Unsettled 
28 Jul     8    Quiet to Unsettled 
29 Jul     8    Quiet to Unsettled 

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

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

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

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 25% 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.
      Some spread F observed.


Predicted Monthly T index for July: 115

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