Viewing archive of Friday, 8 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 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 159 Issued at 2200Z on 08 Jun 2001IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity was moderate due to a single M-class
event, an M1/Sf flare from newly numbered Region 9494 (S08W30) at
08/1927 UTC. This region was numbered early today and has already
developed into an 11 spot Dao spot group with a beta-gamma magnetic
classification. Region 9494 also produced a C7/Sf flare at 08/1603
UTC. Another event of significance was a C6/1n flare with an
accompanying Type II radio sweep (est. velocity of 600 km/s) at
08/0228 UTC. The rest of the disk and limbs were mostly quiet and
stable. Region 9495 (N04E24) was also numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be
mostly low. Region 9454 is capable of producing isolated M-class
events during the forecast period.
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic filed was at mostly quiet to unsettled conditions.
IIB. Geophysical Activity Forecast
The geomagnetic filed is
expected to be quiet to unsettled.
III. Event Probabilities 09 Jun to 11 Jun
| Class M | 30% | 30% | 30% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Jun 180 Predicted 09 Jun-11 Jun 180/185/185 90 Day Mean 08 Jun 169
V. Geomagnetic A Indices
Observed Afr/Ap 07 Jun 009/012 Estimated Afr/Ap 08 Jun 010/010 Predicted Afr/Ap 09 Jun-11 Jun 010/008-008/008-008/010
VI. Geomagnetic Activity Probabilities 09 Jun to 11 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 25% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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