Viewing archive of Friday, 11 June 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Jun 11 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 162 Issued at 2200Z on 11 Jun 2021IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z 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
on days one, two, and three (12 Jun, 13 Jun, 14 Jun).
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 367 km/s at 11/0227Z. Total IMF reached 8
nT at 11/1018Z. The maximum southward component of Bz reached -7 nT at
11/0919Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 165 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (12 Jun, 13 Jun, 14
Jun).
III. Event Probabilities 12 Jun to 14 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 11 Jun 077 Predicted 12 Jun-14 Jun 078/078/077 90 Day Mean 11 Jun 076
V. Geomagnetic A Indices
Observed Afr/Ap 10 Jun 005/004 Estimated Afr/Ap 11 Jun 007/009 Predicted Afr/Ap 12 Jun-14 Jun 005/005-006/005-005/005
VI. Geomagnetic Activity Probabilities 12 Jun to 14 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
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