Solar activity report
Below you'll find a daily report brought to you by the NOAA about the solar activity and auroral activity during the past day and the prediction for the coming days. This page is daily updated around midnight.
Report of Solar-Geophysical Activity 2017 Dec 10 2200 UTC
Prepared 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 2017
IA. 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 is currently 1 numbered sunspot region 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
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 366 km/s at 09/2101Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 2473 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active 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%|
IV. Penticton 10.7 cm Flux
Observed 10 Dec 072
Predicted 11 Dec-13 Dec 072/072/074
90 Day Mean 10 Dec 075
V. Geomagnetic A Indices
Observed Afr/Ap 09 Dec 003/002
Estimated Afr/Ap 10 Dec 003/004
Predicted Afr/Ap 11 Dec-13 Dec 012/014-013/016-011/014
VI. Geomagnetic Activity Probabilities 11 Dec to 13 Dec
|A. Middle Latitudes|
|Minor storm ||10%||10%||10%|
|Major-severe storm ||01%||01%||01%|
|B. High Latitudes|
|Minor storm ||25%||30%||25%|
|Major-severe storm ||35%||35%||35%|