Viewing archive of Tuesday, 10 December 2019
Solar activity report
Report of Solar-Geophysical Activity 2019 Dec 10 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 344 Issued at 2200Z on 10 Dec 2019IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z 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 (11 Dec, 12 Dec, 13 Dec).
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 476 km/s at 10/1617Z. Total IMF reached 9 nT at
10/0430Z. The maximum southward component of Bz reached -8 nT at
10/0422Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 109 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (11 Dec, 12 Dec, 13
Dec).
III. Event Probabilities 11 Dec to 13 Dec
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Dec 071 Predicted 11 Dec-13 Dec 070/070/070 90 Day Mean 10 Dec 069
V. Geomagnetic A Indices
Observed Afr/Ap 09 Dec 002/002 Estimated Afr/Ap 10 Dec 004/004 Predicted Afr/Ap 11 Dec-13 Dec 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 11 Dec to 13 Dec
| 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 | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
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