Viewing archive of Tuesday, 5 November 2013
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 2013 Nov 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 309 Issued at 2200Z on 05 Nov 2013IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M2 event observed at
05/0818Z from Region 1890 (S09E35). There are currently 6 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one, two, and three (06 Nov, 07 Nov, 08 Nov).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed,
as measured by the ACE spacecraft, reached a peak speed of 411 km/s at
04/2109Z. Total IMF reached 6 nT at 04/2324Z. The maximum southward
component of Bz reached -4 nT at 04/2258Z. Electrons greater than 2 MeV
at geosynchronous orbit reached a peak level of 234 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (06 Nov, 07 Nov)
and quiet levels on day three (08 Nov). Protons have a slight chance of
crossing threshold on days one, two, and three (06 Nov, 07 Nov, 08 Nov).
III. Event Probabilities 06 Nov to 08 Nov
| Class M | 45% | 45% | 45% |
| Class X | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Nov 149 Predicted 06 Nov-08 Nov 145/145/140 90 Day Mean 05 Nov 119
V. Geomagnetic A Indices
Observed Afr/Ap 04 Nov 004/004 Estimated Afr/Ap 05 Nov 005/005 Predicted Afr/Ap 06 Nov-08 Nov 007/008-008/008-006/005
VI. Geomagnetic Activity Probabilities 06 Nov to 08 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 10% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 15% | 20% | 10% |
All times in UTC
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