Viewing archive of Tuesday, 30 June 2009

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2009 Jun 30 2201 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 181 Issued at 2200Z on 30 Jun 2009

IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z

Solar activity was very low. No flares were detected. The visible disk was spotless.
IB. Solar Activity Forecast
Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
Geomagnetic field activity was at mostly quiet levels. ACE solar wind observations indicated velocities gradually decreased from 551 km/sec to 449 km/sec during the period. IMF Bz varied from +4 to -4 nT during the period.
IIB. Geophysical Activity Forecast
Geomagnetic field activity is expected to be at quiet to unsettled levels during days 1 - 2 (01 - 02 July). Field activity is expected to decrease to quiet levels on day 3 (03 July).
III. Event Probabilities 01 Jul to 03 Jul
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       30 Jun 068
  Predicted   01 Jul-03 Jul  068/068/068
  90 Day Mean        30 Jun 070
V. Geomagnetic A Indices
  Observed Afr/Ap 29 Jun  007/010
  Estimated     Afr/Ap 30 Jun  007/008
  Predicted    Afr/Ap 01 Jul-03 Jul  007/008-007/008-005/005
VI. Geomagnetic Activity Probabilities 01 Jul to 03 Jul
A. Middle Latitudes
Active10%10%01%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%05%
Minor storm05%05%01%
Major-severe storm01%01%01%

All times in UTC

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