Viewing archive of Sunday, 7 November 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Nov 07 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 311 Issued at 2200Z on 07 Nov 2021IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z
Solar activity has been at very low levels for the past 24
hours. There are currently 2 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 (08 Nov,
09 Nov, 10 Nov).
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 581 km/s at 06/2112Z. Total IMF reached 5
nT at 07/0740Z. The maximum southward component of Bz reached -2 nT at
07/1031Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2058 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (08 Nov) and quiet levels
on days two and three (09 Nov, 10 Nov).
III. Event Probabilities 08 Nov to 10 Nov
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 07 Nov 088 Predicted 08 Nov-10 Nov 085/082/082 90 Day Mean 07 Nov 086
V. Geomagnetic A Indices
Observed Afr/Ap 06 Nov 013/012 Estimated Afr/Ap 07 Nov 007/008 Predicted Afr/Ap 08 Nov-10 Nov 008/008-006/005-006/005
VI. Geomagnetic Activity Probabilities 08 Nov to 10 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 05% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 20% |
| Minor storm | 25% | 20% | 20% |
| Major-severe storm | 25% | 10% | 10% |
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MBLatest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
AR4070 12AR 4055 113Ask your obscure/"stupid" space weather questions. 375Space Weather Memes 696JHelioviewer Tips and Settings 28
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!
Latest alerts
Tuesday, 22 April 2025
11:09 UTC - Solar flare
Moderate M1.35 flare
10:39 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121.5 -12.7 |
| Last 30 days | 114.6 -22.2 |