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 Mar 25 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 84 Issued at 2200Z on 25 Mar 2017
IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z
Solar activity has been at very low levels for the past 24
hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a slight chance for a C-class flare on days one, two, and three (26
Mar, 27 Mar, 28 Mar).
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 554 km/s at 24/2220Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 8821 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (26 Mar), unsettled to minor
storm levels on day two (27 Mar) and active to major storm levels on day
three (28 Mar).
III. Event Probabilities 26 Mar to 28 Mar
|Class M ||01%||01%||01%|
|Class X ||01%||01%||01%|
IV. Penticton 10.7 cm Flux
Observed 25 Mar 074
Predicted 26 Mar-28 Mar 075/075/075
90 Day Mean 25 Mar 076
V. Geomagnetic A Indices
Observed Afr/Ap 24 Mar 007/005
Estimated Afr/Ap 25 Mar 003/004
Predicted Afr/Ap 26 Mar-28 Mar 009/012-016/025-028/040
VI. Geomagnetic Activity Probabilities 26 Mar to 28 Mar
|A. Middle Latitudes|
|Minor storm ||10%||25%||30%|
|Major-severe storm ||05%||10%||15%|
|B. High Latitudes|
|Minor storm ||20%||20%||15%|
|Major-severe storm ||30%||30%||10%|