Viewing archive of Monday, 1 February 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Feb 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 32 Issued at 2200Z on 01 Feb 2021IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z 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 (02 Feb, 03 Feb, 04 Feb).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 345 km/s at 01/2004Z. Total IMF reached 7 nT at
01/1955Z. The maximum southward component of Bz reached -5 nT at
01/1507Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2547 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to minor storm levels on day one (02 Feb), quiet to
active levels on day two (03 Feb) and quiet levels on day three (04
Feb).
III. Event Probabilities 02 Feb to 04 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 01 Feb 074 Predicted 02 Feb-04 Feb 074/072/072 90 Day Mean 01 Feb 084
V. Geomagnetic A Indices
Observed Afr/Ap 31 Jan 000/000 Estimated Afr/Ap 01 Feb 008/010 Predicted Afr/Ap 02 Feb-04 Feb 014/018-009/010-005/005
VI. Geomagnetic Activity Probabilities 02 Feb to 04 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 10% |
| Minor storm | 25% | 10% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 20% |
| Minor storm | 20% | 30% | 20% |
| Major-severe storm | 60% | 40% | 10% |
All times in UTC
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
AR 13905 45Incoming & Unnumbered Active Regions 1259Coronal mass ejection impact and G4 geomagnetic storm 10 & 11 October 2024 929AR13906 1350 mhz F2 46
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 | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/24 | M1.0 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 144.7 -21.7 |
| Last 30 days | 158.6 +10.8 |