Viewing archive of Sunday, 3 June 2001
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 2001 Jun 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 154 Issued at 2200Z on 03 Jun 2001IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z Solar activity has been low. The largest event was a
C2/Sf from Region 9484 (S06E08) at 03/2011 UTC. This region
continues to maintain some magnetic complexity and slowly increase
in size and spot count, currently in a Dai/beta-gamma configuration.
Other regions that exhibited activity today include 9486 (N28W22),
and newly numbered 9488 (S18E61). Region 9488 was split from Region
9485 (S23E46) based on a better view of the region as it rotates
onto the visible disk, and is presently the second largest region
after 9487 (N19E60), which also grew in size and spot count today,
but produced no activity of note.
IB. Solar Activity Forecast
Solar activity is expected to be
predominantly low for the period, but with a chance for isolated
moderate flare activity possible for the developing regions noted in
Section 1A above.
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic field has been mostly quiet to unsettled, with one
active period observed at higher latitudes during 03/1500-1800 UTC.
Coronal hole high speed stream effects have exhibited a weakening
trend throughout the day, but remain in progress.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be at mostly quiet to unsettled levels throughout the
period.
III. Event Probabilities 04 Jun to 06 Jun
| Class M | 30% | 35% | 35% |
| Class X | 01% | 05% | 05% |
| Proton | 01% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 03 Jun 145 Predicted 04 Jun-06 Jun 150/155/155 90 Day Mean 03 Jun 169
V. Geomagnetic A Indices
Observed Afr/Ap 02 Jun 018/021 Estimated Afr/Ap 03 Jun 008/010 Predicted Afr/Ap 04 Jun-06 Jun 008/008-008/008-005/008
VI. Geomagnetic Activity Probabilities 04 Jun to 06 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 20% | 20% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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