[Ips-dsgr] IPS Daily Report - 29 March 06
rwc
rwc at ips.gov.au
Thu Mar 30 10:39:18 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 29/2330Z MARCH 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 29 MARCH AND FORECAST FOR 30 MARCH - 01 APRIL
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 29 Mar: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 29 Mar: 82/23
1B. SOLAR FORECAST
30 Mar 31 Mar 01 Apr
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 82/23 82/23 82/23
COMMENT: Solar activity over the last 24 hours was very low,
with only minor B-class events from region 865. Solar wind velocity
has decreased slightly to 340km/s. The Bz component of the interplanetary
magnetic field has flucuated between +/-5nT over the UT day and
is presently -4nT.
-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 29 Mar: Quiet
Estimated Indices 29 Mar : A K
Australian Region 3 12110111
Darwin 1 11100---
Learmonth - --------
Culgoora 2 12010111
Camden 3 11111111
Canberra 2 12010111
Hobart 3 22010111
Casey(Ant) 7 23321112
Observed Regional daily pc3 Indices 29 Mar :
Canberra 4 (Quiet)
Learmonth 0 (Quiet)
Culgoora 0 (Quiet)
Hobart 6 (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 29 Mar : A
Fredericksburg 6
Planetary 5
Observed AFr/Ap Indices 28 Mar : A K
Fredericksburg 4
Planetary 6 1310 1121
2B. MAGNETIC FORECAST
Date Ap Conditions
30 Mar 6 Quiet
31 Mar 6 Quiet
01 Apr 8 Quiet to Unsettled
COMMENT: Quiet geomagnetic conditions observed over the last
24 hours. Quiet conditions are expected for the next 2-3 days.
-----------------------------------------------------------
3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
29 Mar Normal Normal Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
30 Mar Normal Normal Normal
31 Mar Normal Normal Normal
01 Apr Normal Normal Normal-Fair
COMMENT: Mostly normal HF conditions observed over all latitudes
during the last 24 hours. Similar conditions are expected for
the next 2 days, with possible high latitude disturbances.
-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
29 Mar 23
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Depressed by 15% during local day,
Depressed by 20% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Predicted Monthly T index for March: 16
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
30 Mar 20 near predicted monthly values
31 Mar 20 near predicted monthly values
01 Apr 20 Near predicted monthly values
COMMENT: Mostly normal HF conditions are expected for the next
2 days.
-----------------------------------------------------------
5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 28 Mar
Daily Proton Fluence >1 MeV: 4.0E+05
Daily Proton Fluence >10 MeV: 1.6E+04
Daily Electron Fluence >2 MeV: 4.50E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A6.6
ACE Satellite Solar Wind Day Averaged Data for 28 Mar
Speed: 410 km/sec Density: 4.9 p/cc Temp: 72700 K Bz: 1 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