Viewing archive of Wednesday, 8 November 2023
Solar activity report
Report of Solar-Geophysical Activity 2023 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 2023IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C6 event observed at
08/0848Z from Region 3483 (N09W09). There are currently 6 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a slight chance for an M-class flare on days one, two, and three (09
Nov, 10 Nov, 11 Nov).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 780 km/s at 08/1943Z. Total IMF reached 8
nT at 07/2115Z. The maximum southward component of Bz reached -6 nT at
08/0300Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1232 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (09 Nov), quiet to unsettled
levels on day two (10 Nov) and quiet levels on day three (11 Nov).
III. Event Probabilities 09 Nov to 11 Nov
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Nov 146 Predicted 09 Nov-11 Nov 145/145/145 90 Day Mean 08 Nov 149
V. Geomagnetic A Indices
Observed Afr/Ap 07 Nov 011/015 Estimated Afr/Ap 08 Nov 015/020 Predicted Afr/Ap 09 Nov-11 Nov 013/014-009/010-007/008
VI. Geomagnetic Activity Probabilities 09 Nov to 11 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 15% | 10% |
| Minor storm | 15% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 20% | 20% | 20% |
All times in UTC
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