Viewing archive of Saturday, 11 January 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jan 11 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 11 Issued at 2200Z on 11 Jan 2020IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (12 Jan, 13 Jan, 14 Jan).
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 519 km/s at 11/0736Z. Total IMF reached 6 nT at
11/1427Z. The maximum southward component of Bz reached -3 nT at
11/1513Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 1223 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on day one (12 Jan), quiet to unsettled levels on
day two (13 Jan) and quiet to active levels on day three (14 Jan).
III. Event Probabilities 12 Jan to 14 Jan
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 11 Jan 074 Predicted 12 Jan-14 Jan 073/071/070 90 Day Mean 11 Jan 070
V. Geomagnetic A Indices
Observed Afr/Ap 10 Jan 006/005 Estimated Afr/Ap 11 Jan 005/006 Predicted Afr/Ap 12 Jan-14 Jan 005/005-008/008-010/010
VI. Geomagnetic Activity Probabilities 12 Jan to 14 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 20% | 20% |
| Minor storm | 01% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 25% | 30% |
| Major-severe storm | 10% | 25% | 30% |
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