Viewing archive of Saturday, 3 January 2004

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 2004 Jan 03 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 003 Issued at 2200Z on 03 Jan 2004

IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z

Solar activity has been low. Region 536 (S12E51) continues to be the largest of the three spotted regions on the visible solar disk. This region now exceeds 900 millionths of white light area.
IB. Solar Activity Forecast
Solar activity is expected to be low. Region 536 could produce an isolated M-class event.
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic field has been at quiet to minor storm levels. Solar wind velocity increased to over 600 km/s with a southward Bz of -5 to -10 nt during the period.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be predominately active to minor storm conditions for 04-06 January due to the effects from a coronal hole high speed stream.
III. Event Probabilities 04 Jan to 06 Jan
Class M30%30%30%
Class X05%05%05%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       03 Jan 116
  Predicted   04 Jan-06 Jan  120/125/125
  90 Day Mean        03 Jan 136
V. Geomagnetic A Indices
  Observed Afr/Ap 02 Jan  009/013
  Estimated     Afr/Ap 03 Jan  020/025
  Predicted    Afr/Ap 04 Jan-06 Jan  025/030-020/030-025/030
VI. Geomagnetic Activity Probabilities 04 Jan to 06 Jan
A. Middle Latitudes
Active40%35%40%
Minor storm20%15%20%
Major-severe storm10%10%10%
B. High Latitudes
Active45%45%45%
Minor storm25%25%25%
Major-severe storm10%10%10%

All times in UTC

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