[Ips-dsgr] IPS Daily Report - 26 February 02

rwc rwc at ips.gov.au
Wed Feb 27 10:11:36 EST 2002


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 26/2330Z FEBRUARY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 26 FEBRUARY AND FORECAST FOR 27 FEBRUARY - 01 MARCH
STATUS INDICATORS SOL:** YELLOW **   MAG:GREEN     ION: GREEN
http://www.ips.gov.au/asfc/current
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1A. SOLAR SUMMARY
Activity 26 Feb:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 26 Feb: 208/159

http://www.ips.gov.au/learmonth/solar     http://www.ips.gov.au/culgoora

1B. SOLAR FORECAST
             27 Feb             28 Feb             01 Mar
Activity     Low to moderate    Low to moderate    Low to moderate
Fadeouts     Possible           Possible           Possible
10.7cm/SSN   200/152            195/147            190/143

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2A. MAGNETIC SUMMARY
http://www.ips.gov.au/asfc/aus_geomag

Geomagnetic field for Australian Region 26 Feb: Quiet 

Estimated Indices 26 Feb :  A   K           
   Australian Region       8   2322 2223
      Darwin               6   2222 1223
      Learmonth            5   2221 1223
      Canberra             5   1221 1223
      Hobart               5   1221 2223
      Casey(Ant)          13   2433 3222
      Davis(Ant)          13   33-- 3232
    
Observed Regional daily pc3 Indices 26 FEB : 
      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 26 Feb : A 
           Fredericksburg         6
           Planetary              8                         

Observed AFr/Ap Indices 25 Feb :  A   K
           Fredericksburg         4
           Planetary              7   1022 3322     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
27 Feb     6    Quiet 
28 Feb     7    Quiet 
01 Mar     6    Quiet 
COMMENT: Quiet conditions are expected. 

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

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
27 Feb      Normal         Normal         Normal
28 Feb      Normal         Normal         Normal
01 Mar      Normal         Normal         Normal

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY

http://www.ips.gov.au/asfc/aus_hf

Date   T index
26 Feb   165

Observed Australian Regional MUFs
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Enhanced by 15% during local night.
     Depressed by 60% after local dawn.
  Southern Australian and New Zealand Region:
     Enhanced by 25% during local day,
     Enhanced by 20% during local night.
     Enhanced by 25% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.


Predicted Monthly T index for February: 114

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
27 Feb   160    15-20% above predicted monthly values 
28 Feb   150    15-20% above predicted monthly values 
01 Mar   150    15-20% above predicted monthly values 

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5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 25 Feb
       Daily Proton Fluence >1 MeV:   1.4E+05
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 3.60E+05 (normal)
       X-ray background: C1.2
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

ACE Satellite Solar Wind Day Averaged Data for 25 Feb
Speed: 329 km/sec  Density:    2.5 p/cc  Temp:    43900 K  Bz:  -1 nT
http://sec.noaa.gov/ace/MAG_SWEPAM_24h.html

(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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