Viewing archive of Thursday, 12 July 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 Jul 12 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 193 Issued at 2200Z on 12 Jul 2001IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z Solar activity was very low. The largest event during
the period was an optically uncorrelated B9.7 flare at 12/0255 UTC.
One new region was numbered: 9539 (S19E26).
IB. Solar Activity Forecast
Solar activity is expected to remain
at very low to low levels.
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
The geomagnetic field was at quiet to unsettled levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to continue to be at quiet to unsettled levels.
III. Event Probabilities 13 Jul to 15 Jul
| Class M | 15% | 15% | 15% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 12 Jul 134 Predicted 13 Jul-15 Jul 135/140/140 90 Day Mean 12 Jul 158
V. Geomagnetic A Indices
Observed Afr/Ap 11 Jul 005/009 Estimated Afr/Ap 12 Jul 007/010 Predicted Afr/Ap 13 Jul-15 Jul 008/010-008/010-008/010
VI. Geomagnetic Activity Probabilities 13 Jul to 15 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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