Viewing archive of Wednesday, 28 June 2006
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 2006 Jun 28 2203 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 2006IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z Solar activity was very low. Newly numbered region 898
(S06E66) produced a B5 flare at 28/1932 UTC. Region 897 (N05E29)
has grown to approximately 110 millionths.
IB. Solar Activity Forecast
Solar activity is expected to be very
low to low.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
The geomagnetic field was at quiet to minor storm levels. Over the
past 24 hours, solar wind speed increased to approximately 575 km/s
due to the coronal hole high speed stream while Bz varied between
+/- 10 nT.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet to active on 29 June, with mostly quiet
conditions expected on 30 June to 01 July.
III. Event Probabilities 29 Jun to 01 Jul
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 28 Jun 084 Predicted 29 Jun-01 Jul 085/085/085 90 Day Mean 28 Jun 082
V. Geomagnetic A Indices
Observed Afr/Ap 27 Jun 007/006 Estimated Afr/Ap 28 Jun 014/020 Predicted Afr/Ap 29 Jun-01 Jul 010/015-005/010-005/008
VI. Geomagnetic Activity Probabilities 29 Jun to 01 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 10% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 20% |
| Minor storm | 15% | 10% | 10% |
| Major-severe storm | 05% | 01% | 01% |
All times in UTC
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