Viewing archive of Thursday, 9 June 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Jun 09 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 160 Issued at 2200Z on 09 Jun 2022IA. Analysis of Solar Active Regions and Activity from 08-2100Z to 09-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C1 event observed at
09/1018Z. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a slight chance for a C-class flare on day one (10 Jun) and
expected to be very low with a chance for a C-class flares on days two
and three (11 Jun, 12 Jun).
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 337 km/s at 09/0259Z. Total IMF reached 6 nT at
09/1001Z. The maximum southward component of Bz reached -6 nT at
09/1001Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 206 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (10 Jun, 11 Jun, 12
Jun).
III. Event Probabilities 10 Jun to 12 Jun
| Class M | 01% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 09 Jun 106 Predicted 10 Jun-12 Jun 105/110/110 90 Day Mean 09 Jun 126
V. Geomagnetic A Indices
Observed Afr/Ap 08 Jun 005/005 Estimated Afr/Ap 09 Jun 005/005 Predicted Afr/Ap 10 Jun-12 Jun 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 10 Jun to 12 Jun
| 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 | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 88.4 +10.2 |
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