Viewing archive of Saturday, 8 November 2003
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 2003 Nov 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 312 Issued at 2200Z on 08 Nov 2003IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity was very low. Two new regions emerged
today: Region 498 (S03W26) and Region 499 (S17W19). Both of these
regions are small and simple. A 20 degree filament running from
S10W01 to S20W20 faded between 07/2200 UTC and 08/0200 UTC.
IB. Solar Activity Forecast
Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic field ranged from quiet to unsettled levels during
the past 24 hours. A noticeable increase was seen in solar wind
magnetic field and density, beginning around 1000-1200 UTC which
transitioned activity from quiet levels to unsettled levels. The
signatures appear to be consistent with a co-rotating interaction
region which presages the onset of an expected high-speed coronal
hole solar wind stream. The greater than 10 MeV proton fluxes were
enhanced but below threshold today, and showed a steady downward
trend during the past 24 hours.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be unsettled to active for 09-10 November as the
coronal-hole driven disturbance is expected to commence. Mostly
active conditions are expected to prevail on 11 November.
III. Event Probabilities 09 Nov to 11 Nov
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Nov 093 Predicted 09 Nov-11 Nov 095/095/095 90 Day Mean 08 Nov 130
V. Geomagnetic A Indices
Observed Afr/Ap 07 Nov 006/008 Estimated Afr/Ap 08 Nov 008/010 Predicted Afr/Ap 09 Nov-11 Nov 015/015-015/020-020/025
VI. Geomagnetic Activity Probabilities 09 Nov to 11 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 35% |
| Minor storm | 20% | 20% | 25% |
| Major-severe storm | 05% | 05% | 10% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 35% | 35% | 25% |
| Minor storm | 20% | 20% | 35% |
| Major-severe storm | 10% | 10% | 20% |
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