Viewing archive of Thursday, 23 January 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jan 23 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 23 Issued at 2200Z on 23 Jan 2020IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z 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 (24 Jan, 25 Jan, 26 Jan).
IIA. Geophysical Activity Summary 22-2100Z to 23-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 385 km/s at 22/2314Z. Total IMF reached 7
nT at 22/2354Z. The maximum southward component of Bz reached -6 nT at
22/2325Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 143 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (24 Jan, 25 Jan, 26
Jan).
III. Event Probabilities 24 Jan to 26 Jan
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 23 Jan 071 Predicted 24 Jan-26 Jan 072/072/072 90 Day Mean 23 Jan 071
V. Geomagnetic A Indices
Observed Afr/Ap 22 Jan 004/004 Estimated Afr/Ap 23 Jan 006/006 Predicted Afr/Ap 24 Jan-26 Jan 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 24 Jan to 26 Jan
| 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 | 20% | 20% | 20% |
| Major-severe storm | 15% | 15% | 15% |
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
Unspecified geomagnetic activity 951AR3654 22Changelog/Featurelog 154What are these long and thin eruptions? 9IMF - BT strength 8
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/27 | M3.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 138.1 +30.7 |