[Ips-dsgr] IPS Daily Report - 08 June 10
rwc
rwc at ips.gov.au
Wed Jun 9 13:03:17 EST 2010
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT - CORRECTION
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 08 JUNE AND FORECAST FOR 09 JUNE - 11 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 08 Jun: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 08 Jun: 69/3
1B. SOLAR FORECAST
09 Jun 10 Jun 11 Jun
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 72/8 72/8 70/5
COMMENT: Solar wind speed increased to 420 km/s over the UT day
due to a recurrent coronal hole. This hole is thin in solar longitude
however, so effects should only last for a day or two. IMF Bz
varied north and south at low magnitudes ,not inducive for merging
with the geomagnetic field. Sunspot activity is minimal with
AR1076 rotating off the disc and AR1078 providing a few B-class
X-ray flares and type III radio bursts. The STEREO-B spacecraft
has observed a prolonged Bz southwards period, estimated to meet
Earth on 13-14th June and probably associated with a solar sector
boundary predicted in models.
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