[Ips-dsgr] IPS Daily Report - 26 December 08

rwc rwc at ips.gov.au
Sat Dec 27 10:02:02 EST 2008


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 26/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 26 DECEMBER AND FORECAST FOR 27 DECEMBER - 29 DECEMBER
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 26 Dec:  Very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 26 Dec:  69/3

1B. SOLAR FORECAST
             27 Dec             28 Dec             29 Dec
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    71/6               71/6               71/6

COMMENT: Solar activity was Very Low over the last 24 hours. 
The solar wind is at normal levels and is expected to remain 
at normal levels for the next three days. 

-----------------------------------------------------------
2A. MAGNETIC SUMMARY

Geomagnetic field for Australian Region 26 Dec: Quiet 

Estimated Indices 26 Dec :  A   K           
   Australian Region       4   22111111
      Darwin               3   21101112
      Townsville           6   22212221
      Learmonth            2   21001111
      Camden               2   12001111
      Canberra             1   11000111
      Hobart               2   12101011
      Casey(Ant)           9   3-331122
    
Observed Regional daily pc3 Indices 26 Dec : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Alice_Springs        0   (Quiet)
      Camden               0   (Quiet)
      Gnangara             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 and have been shown to be
well correlated with rejection of high resolution aeromagnetic
survey flight-line data. 

NOTE: Indices may have been generated from data obtained in 
cooperation with the following organisations: Geoscience Australia, 
University of Newcastle Space Physics Group, Australian Government 
Antarctic Division and Space Environment Research Center, Japan.

Estimated AFr/Ap Indices 26 Dec : A 
           Fredericksburg         2
           Planetary              5                         

Observed AFr/Ap Indices 25 Dec :  A   K
           Fredericksburg         2
           Planetary              3   0001 2111     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
27 Dec     2    Quiet 
28 Dec     2    Quiet 
29 Dec     2    Quiet 

COMMENT: Quiet conditions are expected for the next three days. 

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

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

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY

Date   T index
26 Dec   -14

Observed Australian Regional MUFs
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Variable conditions during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for December:   0

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
27 Dec   -20    near predicted monthly values/depressed 10 to 
                30% 
28 Dec   -20    near predicted monthly values/depressed 10 to 
                30% 
29 Dec   -20    near predicted monthly values/depressed 10 to 
                30% 

COMMENT: IPS HF Communications Warning 28 was issued on 25 December 
and is current for interval 26-28 December. Expect depressions 
of 10 to 30% most likely at local night for equatorial and northern 
Australian regions. Isolated cases of sporadic E noted at most 
stations. 
-----------------------------------------------------------
5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 25 Dec
       Daily Proton Fluence >1 MeV:   5.3E+05
       Daily Proton Fluence >10 MeV:  1.8E+04
       Daily Electron Fluence >2 MeV: 4.20E+06   (normal fluence)   
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: A1.0

ACE Satellite Solar Wind Day Averaged Data for 25 Dec
Speed: 468 km/sec  Density:    0.8 p/cc  Temp:    90200 K  Bz:   0 nT

(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
-----------------------------------------------------------


IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
Occasionally IPS sends email promoting IPS products and 
services to its mailing list customers. If you do not wish to 
receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"





More information about the ips-dsgr mailing list