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 Jan 24 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 24 Issued at 2200Z on 24 Jan 2017
IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z
Solar activity has been at very low levels for the past 24
hours. There are currently 3 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 (25 Jan,
26 Jan, 27 Jan).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 413 km/s at 23/2124Z. Total IMF reached 6 nT at
23/2114Z. The maximum southward component of Bz reached -3 nT at
24/1826Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 1001 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one and two (25 Jan, 26 Jan) and quiet to
unsettled levels on day three (27 Jan).
III. Event Probabilities 25 Jan to 27 Jan
|Class M ||05%||05%||05%|
|Class X ||01%||01%||01%|
IV. Penticton 10.7 cm Flux
Observed 24 Jan 082
Predicted 25 Jan-27 Jan 082/080/080
90 Day Mean 24 Jan 077
V. Geomagnetic A Indices
Observed Afr/Ap 23 Jan 002/004
Estimated Afr/Ap 24 Jan 004/004
Predicted Afr/Ap 25 Jan-27 Jan 005/005-006/005-010/012
VI. Geomagnetic Activity Probabilities 25 Jan to 27 Jan
|A. Middle Latitudes|
|Minor storm ||01%||01%||05%|
|Major-severe storm ||01%||01%||01%|
|B. High Latitudes|
|Minor storm ||20%||20%||30%|
|Major-severe storm ||10%||10%||25%|