Viewing archive of Thursday, 28 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 28 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 179 Issued at 2200Z on 28 Jun 2001IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z Solar activity was low. The largest event was a C2/Sf
from Region 9512 (S22W68) at 27/2250 UTC. Regions 9521 (S06E48) and
9522 (S08E66) were numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be low.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be predominantly quiet with occasional unsettled periods
possible.
III. Event Probabilities 29 Jun to 01 Jul
| Class M | 25% | 25% | 25% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 28 Jun 140 Predicted 29 Jun-01 Jul 135/130/130 90 Day Mean 28 Jun 168
V. Geomagnetic A Indices
Observed Afr/Ap 27 Jun 005/010 Estimated Afr/Ap 28 Jun 003/005 Predicted Afr/Ap 29 Jun-01 Jul 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 29 Jun to 01 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 15% |
| Minor storm | 01% | 01% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 15% |
| Minor storm | 01% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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