Viewing archive of Saturday, 26 November 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Nov 26 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 330 Issued at 2200Z on 26 Nov 2022IA. Analysis of Solar Active Regions and Activity from 25-2100Z to 26-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 4 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (27 Nov,
28 Nov, 29 Nov).
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 642 km/s at 26/1855Z. Total IMF reached 10
nT at 26/1311Z. The maximum southward component of Bz reached -7 nT at
25/2127Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 329 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at unsettled to active levels on day one (27 Nov), quiet to
unsettled levels on day two (28 Nov) and quiet to active levels on day
three (29 Nov).
III. Event Probabilities 27 Nov to 29 Nov
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 26 Nov 107 Predicted 27 Nov-29 Nov 108/105/110 90 Day Mean 26 Nov 131
V. Geomagnetic A Indices
Observed Afr/Ap 25 Nov 015/014 Estimated Afr/Ap 26 Nov 012/017 Predicted Afr/Ap 27 Nov-29 Nov 014/018-011/010-010/012
VI. Geomagnetic Activity Probabilities 27 Nov to 29 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 20% | 35% |
| Minor storm | 15% | 05% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 15% |
| Minor storm | 25% | 25% | 25% |
| Major-severe storm | 50% | 30% | 45% |
All times in UTC
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