Viewing archive of Wednesday, 6 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 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 157 Issued at 2200Z on 06 Jun 2001IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity was low. Regions 9475 (N20W68), 9484
(S05W33), and 9488 (S20E19), all produced small, impulsive C-class
flares during the period. The largest event being a C4/2f at 06/1920
UTC from Region 9475. Region 9488 remains the most magnetically
complex region with a beta-gamma classification. The rest of the
regions retain fairly simple alpha and beta magnetic
classifications. Four new regions were numbered: 9490 (S13E35), 9491
(N23E63), 9492 (N18E62), and 9493 (N05E73).
IB. Solar Activity Forecast
Solar activity is expected to be
mostly low with a chance of isolated M-class events possible.
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic field was at quiet to unsettled conditions.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be at mostly quiet to unsettled conditions with isolated
active periods possible due to a favorably positioned coronal hole
and its resulting high speed stream.
III. Event Probabilities 07 Jun to 09 Jun
| Class M | 35% | 35% | 35% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Jun 158 Predicted 07 Jun-09 Jun 160/165/165 90 Day Mean 06 Jun 168
V. Geomagnetic A Indices
Observed Afr/Ap 05 Jun 005/009 Estimated Afr/Ap 06 Jun 009/012 Predicted Afr/Ap 07 Jun-09 Jun 012/014-012/014-010/010
VI. Geomagnetic Activity Probabilities 07 Jun to 09 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 25% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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