Viewing archive of Saturday, 4 June 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Jun 04 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 155 Issued at 2200Z on 04 Jun 2022IA. Analysis of Solar Active Regions and Activity from 03-2100Z to 04-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 6 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 (05 Jun,
06 Jun, 07 Jun).
IIA. Geophysical Activity Summary 03-2100Z to 04-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 311 km/s at 04/0049Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 9519 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on days one and two (05 Jun, 06 Jun) and
quiet levels on day three (07 Jun).
III. Event Probabilities 05 Jun to 07 Jun
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 04 Jun 101 Predicted 05 Jun-07 Jun 100/100/100 90 Day Mean 04 Jun 127
V. Geomagnetic A Indices
Observed Afr/Ap 03 Jun 004/004 Estimated Afr/Ap 04 Jun 005/005 Predicted Afr/Ap 05 Jun-07 Jun 010/012-009/010-006/005
VI. Geomagnetic Activity Probabilities 05 Jun to 07 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 30% | 10% |
| Minor storm | 15% | 10% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 15% |
| Minor storm | 30% | 30% | 15% |
| Major-severe storm | 45% | 40% | 10% |
All times in UTC
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| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
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