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 2020 Feb 21 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 52 Issued at 2200Z on 21 Feb 2020IA. Analysis of Solar Active Regions and Activity from 20-2100Z to 21-2100Z
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 (22 Feb, 23 Feb, 24 Feb).
IIA. Geophysical Activity Summary 20-2100Z to 21-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 558 km/s at 21/0821Z. Total IMF reached 8
nT at 20/2321Z. The maximum southward component of Bz reached -7 nT at
20/2321Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2852 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (22 Feb) and quiet levels
on days two and three (23 Feb, 24 Feb).
III. Event Probabilities 22 Feb to 24 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 21 Feb 071 Predicted 22 Feb-24 Feb 071/071/071 90 Day Mean 21 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 20 Feb 005/006 Estimated Afr/Ap 21 Feb 013/014 Predicted Afr/Ap 22 Feb-24 Feb 008/008-005/005-006/005
VI. Geomagnetic Activity Probabilities 22 Feb to 24 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 05% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 20% | 20% |
| Major-severe storm | 25% | 10% | 10% |
Latest news
Monday, 10 February 2020 - 18:49 UTC
Solar Orbiter successfully launched into space
Saturday, 8 February 2020 - 11:36 UTC
Coronal hole, Transit to Solar Cycle 25
Wednesday, 1 January 2020 - 00:00 UTC
Happy New Year!
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2020/02/19 | Kp5 (G1) |
| Number of spotless days in 2020: | 36 | |
| Current stretch spotless days: | 21 | |