Viewing archive of Friday, 1 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 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 305 Issued at 2200Z on 01 Nov 2013IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z Solar activity has been at high levels for the past 24 hours.
The largest solar event of the period was a M6 event observed at
01/1953Z from Region 1884 (S13W01). There are currently 5 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (02 Nov, 03 Nov,
04 Nov).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
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 427 km/s at
31/2142Z. Total IMF reached 7 nT at 31/2133Z. The maximum southward
component of Bz reached -6 nT at 31/2234Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (02 Nov, 03 Nov, 04
Nov).
III. Event Probabilities 02 Nov to 04 Nov
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 01 Nov 145 Predicted 02 Nov-04 Nov 145/145/145 90 Day Mean 01 Nov 117
V. Geomagnetic A Indices
Observed Afr/Ap 31 Oct 006/005 Estimated Afr/Ap 01 Nov 005/005 Predicted Afr/Ap 02 Nov-04 Nov 005/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 02 Nov to 04 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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